Windows error 0xFFFFFFFF, -1

Detailed Error Information

HRESULT analysis[1]

FlagsSeverityFailure
Reserved (R)true
OriginCustomer

This code was defined by a third party software company, and may mean different things for different software. Contact the software author for more information about this error.

NTSTATUStrue
Reserved (X)true
FacilityCode4095 (0xfff)
Error Code65535 (0xffff)

Questions

108votes
9answers

Reducing memory usage of .NET applications?

What are some tips to reduce the memory usage of .NET applications? Consider the following simple C# program. class Program { static void Main(string[] args) { Console.ReadLine(); } } Compiled in release mode for x64 and running outside Visual Studio, the task manager reports the following: Working Set: 9364k Private [...] read more
c#
.net
optimization
memory
memory-optimization
27votes
7answers

Make AppBar transparent and show background image which is set to whole screen

I have added AppBar in my flutter application. My screen already have a background image, where i don't want to set appBar color or don't want set separate background image to appBar. I want show same screen background image to appBar also. I already tried by setting appBar color as [...] read more
dart
flutter
flutter-appbar
20votes
1answer

Setting up a Bluetooth PAN

I am trying to create a Bluetooth PAN between two devices where I can access REST based web services over the Bluetooth connection. I have had some success with various proof of concepts (both Bluetooth legacy and Bluetooth Smart) but I am having problems trying to create a Group network [...] read more
linux
networking
wireless-networking
bluetooth
pan
12votes
2answers

How to set Android DataBinding in nested layouts

I was just reading about data binding feature in android. I was trying to bind a view from a nested layout. My activity is android's default template of DrawerMenuActivity and it has content_my_activity layout nested inside activity_my_activity layout. I have 3 auto generated binding classes. MyActivityBinding, AppBarMyActivityBinding and ContentMyActivityBinding. I [...] read more
android
android-databinding
10votes
2answers

GCC Bitwise Attribute

What does GCC's __attribute__(bitwise) mean? The attribute isn't mentioned in the info pages of GCC-4.6. I stumbled upon it in the file open-iscsi-2.0.871/include/iscsi_proto.h in source the project Open-ISCSI where it is used as ... /* * If running svn modules we may need to define these. * This should not [...] read more
c
gcc
attributes
9votes
5answers

How to dump memory to a file in gdb (osx)? Need to rescue my work

I need to know how I can dump memory in Safari.app, to a file. I've entered gdb attach 6741 (my safari PID). Now what? I tried searching for help on gdb on google, but I couldn't find anything that told me what to do, even when searching for "how to [...] read more
macos
gdb
9votes
1answer

Cisco ASA Site-to-Site VPN Dropping

I have three sites, Toronto (1.1.1.1), Mississauga (2.2.2.2) and San Francisco (3.3.3.3). All three sites have ASA 5520. All the sites are connected together with two site-to-site VPN links between each other location. My issue is that the tunnel between Toronto and San Francisco is very unstable, dropping every 40 [...] read more
cisco
cisco-asa
cisco-vpn
8votes
3answers

Corrupted NTFS Drive showing multiple unallocated partitions

My external hdd with a single NTFS partition was accidentaly plugged out (kids!)... and is now corrupted. Iv tried running ntfsfix - with no luck - output below.. When I look at the disk under disk management in Windows 7 it shows up as having 5 partitions 2 of which [...] read more
external-hard-drive
ntfs
filesystem-corruption
8votes
3answers

SQL Server 2012 with account NT Service\MSSQLSERVER access is denied in domain

A few months ago we installed SQL Server 2012 in Windows 2008 R2 under the virtual account "NT Service\MSSQLSERVER", all good. A few days ago, one of the admins of the IT dept installed Full Text Search component to the SQL Server 2012 (the problem is he could not recall [...] read more
sql-server
sql-server-2008
domain
permissions
8votes
2answers

Strongswan (IKEv2) connection established, but no traffic routing

I've seen this sort of question posted a few times before, but so far, none of them have solved my issue. I'm trying to set up an IKEv2 VPN on my Ubuntu Server to use with my Windows Phone using Strongswan. The connection seems to be set up correctly, but [...] read more
ubuntu
ipsec
strongswan
vpn
7votes
3answers

Disable IPv6 Loopback on Windows 7 64 Bit

I have a Windows 7 64 Bit machine, and I cannot find a way to disable the IPv6 Loopback. I looked at the article at How to disable IP version 6 or its specific components in Windows and shows how to set HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\DisabledComponents to various values – but none of [...] read more
windows-7
networking
7votes
2answers

How can I do 64-bit hex/decimal arithmetic AND output a full number in HEX as string in Perl?

I need to do some arithmetic with large hexadecimal numbers below, but when I try to output I'm getting overflow error messages "Hexadecimal number > 0xffffffff non-portable", messages about not portable, or the maximum 32-bit hex value FFFFFFFF. All of which imply that the standard language and output routines only [...] read more
perl
math
64-bit
printf
6votes
3answers

What is the equivalent of unsigned long in java

i have written these following three functions for my project to work: WORD shuffling(WORD x) { // WORD - 4 bytes - 32 bits //given input - a0,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15- b0,b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15 //output required - a0,b0,a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,b6,a7,b7 - a8,b8,a9,b9,a10,b10,a11,b11,a12,b12,a13,b13,a14,b14,a15,b15 x = (x & 0X0000FF00) << 8 | (x >> 8) & 0X0000FF00 | x [...] read more
java
c
6votes
1answer

FreeBSD IP aliases in different subnets and default outgoing IP address

I have a FreeBSD VPS that until recently had assigned 3 public ip addresses in a /29 subnet. When making outgoing connections, the IP address used was always the non aliased one ".20", however now I have added another block of 3 ip addresses in a different /29 subnet and [...] read more
networking
freebsd
ip-aliasing
6votes
1answer

ASA site-to-site IPSec vpn to linux ipsec-tools endpoints stops working after a random period of time

We swapped to ASA's over the weekend, and we replaced our VPN infrastructure which was previously based on openvpn and are now using IPSec between our ASA 5520's and our other sites that have linux (CentOS) routers. The VPNs connect just fine, but after a period of time the connections [...] read more
linux
cisco
cisco-asa
ipsec
racoon
5votes
1answer

What does the "-->" notation mean in the output of ifconfig?

I have a VPN connection set up on my OS X machine, and when I run ifconfig in the terminal I get the following response: utun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500 inet 10.8.0.6 --> 10.8.0.5 netmask 0xffffffff Can someone help me understand what the --> symbol means? read more
networking
vpn
ifconfig
5votes
1answer

My two-way trust with selective auth seems to behave opposite to a one-way trust

I'm not sure why I'm the only one running into this, I think it's a larger problem with Server 2012 and RDS protocols... With 2008 machines, you can use utilize a one way trust to authenticate across domains with the TSGateway service, but with 2012 it breaks when running across [...] read more
authentication
windows-server-2012-r2
active-directory
5votes
1answer

Enable TLS 1.2 in Windows Server 2012 running Exchange 2013 via IIS 8.0

I got some issues getting the TLS 1.2 protocol running on one of our Windows Server 2012 machines. I checked this using ssllabs.com by Qualys and also tested with a powershell script and the linux tool "cipherscan". The server hosts one Exchange 2013 SP1 (CU4) Server, with IIS 8.0. The [...] read more
windows-server-2012
tls
exchange-2013
5votes
2answers

OpenVPN connection works but no gateway is assigned

i try to setup openvpn on a vps and I'm able to establish a connection to the server, but the gateway isn't assigned to the client. Here are my config files: client config: client dev tun proto udp remote foo.bar 1194 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert client1.crt [...] read more
vpn
configuration
openvpn
gateway
open
4votes
1answer

firewall-cmd - add-forward-port don't work

I have a KVM server (host) with multiple virtual machines (guests). My goal is my host forward port 222 to port 22 of a guest running an ssh service. This works... iptables -I OUTPUT -d 0.0.0.0/0 -j ACCEPT iptables -I FORWARD -d 0.0.0.0/0 -j ACCEPT iptables -I INPUT -d 0.0.0.0/0 [...] read more
firewall
port-forwarding
iptables
forwarding
firewalld
4votes
0answers

Direct3D crashes dxdiag in 32-bit but works fine in 64-bit mode

DxDiag crashes when I open it unless I bypass Direct3D. It works fine in 64-bit mode. I have a NVIDIA GeForce GT 525M, and I've tried updating (also uninstalling, reinstalling) my drivers. I've also tried doing the same with DirectX. How can I enable Direct3D for 32-bit? I've tried enabling [...] read more
windows-7
directx
direct3d
4votes
2answers

Is my mac hacked? Found weird things

I apologize for posting in length, but I thought being complete would be of more value: 20120822, my browser was not resolving a domain so I went into my terminal to check and lo-and-behold! I find these crazy commands remnant: mac-mini$ su Password: sh-3.2# sudo /Applications/TextEdit.app/Contents/MacOS/TextEdit /etc/hosts Mar 22 23:07:08 [...] read more
mac-mini
logmein
4votes
1answer

disabling ipv6 on windows 7 64bit

not sure what i am missing here.. every website suggests creating this reg key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\DisabledComponents as DWORD and setting its value to 0xFFFFFFFF i've done this, but when i reboot, my NIC adapter still shows IPV6 enabled. since i have 64bit version, i also tried setting this value as QWORD. [...] read more
windows-7
ipv6
4votes
3answers

Android SpeechRecognizer Network Error

I'm trying to create a continous speech recognition in Android 4.4, simple displaying the spoken words in a TextView, like a dictate. I followed multiple tutorials, like https://github.com/fcrisciani/android-speech-recognition/blob/master/VoiceRecognition/src/com/speech/fcrisciani/voicerecognition/ContinuousDictationFragment.java , or Is there a way to use the SpeechRecognizer API directly for speech input? and implemented the following version: import java.util.ArrayList; [...] read more
android
speech-to-text
4votes
3answers

How to limit ZFS writes on NVME SSD in RAID1 to avoid rapid disk wear?

Currently I'm running Proxmox 5.3-7 on ZFS with few idling debian virtual machines. I'm using two SSDPE2MX450G7 NVME drives in RAID 1. After 245 days of running this setup the S.M.A.R.T values are terrible. SMART/Health Information (NVMe Log 0x02, NSID 0xffffffff) Critical Warning: 0x00 Temperature: 27 Celsius Available Spare: 98% [...] read more
zfs
ssd
proxmox
nvme
4votes
2answers

How to debug ip xfrm rules

I created ip xfrm rules on 2 machine and trying to pass traffic through the ipsec tunnel. The packet comes into the other end, encrypted, and disappears. I traced them through iptables, and here is the trace. 2015-11-27T14:50:21.442638+04:30 cfae kernel: [70234.667488] TRACE: raw:PREROUTING:policy:2 IN=eth0 OUT= MAC=00:0c:29:b7:97:49:00:0c:29:42:5b:e1:08:00 SRC=172.24.1.178 DST=10.60.60.31 LEN=128 TOS=0x00 [...] read more
ipsec
4votes
0answers

Block incoming traffic in bonding mode when primary interface is down

My server running on latest kernel (4.4.6) has configured a bond device (bond0) with two enslaved interfaces eth0, wlan0 with primary interface eth0. cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: fault-tolerance (active-backup) Primary Slave: eth0 (primary_reselect always) Currently Active Slave: wlan0 MII Status: up MII [...] read more
linux
iptables
firewall
bonding
4votes
0answers

Issue installing IE11

I've been using WSUS to roll out IE11, there's a few stranglers that IE11 will not install and I've started looking into. Here's what I've done. 1. Confirmed all prerequisite updates have been done. 2. I'm using the x64 bit package of ie11 and only using x64 servers and workstations. [...] read more
windows-server-2008-r2
windows-7
wsus
internet-explorer-11
4votes
1answer

System Account Logon Failures every 30 seconds

We have two Windows 2008 R2 SP1 servers running in a SQL failover cluster. On one of them we are getting the following events in the security log every 30 seconds. The parts that are blank are actually blank. Has anyone seen similar issues, or assist in tracking down the [...] read more
windows-server-2008
security
windows-event-log
failovercluster
4votes
2answers

How can I get FreeNAS to respond to libvirt shutdown requests

I have a KVM VM of FreeNAS 0.7.1 Shere (revision 5127) running on Ubuntu Server 10.04 and I'm unable to convince the VM to shutdown from the host virsh shutdown freenas I would expect this to send some ACPI? trigger to the VM and FreeNAS then do what it's told. [...] read more
ubuntu
kvm-virtualization
electrical-power
freenas
3votes
1answer

Black screen while installing Debian

I tried installing Debian with a netinstall CD-ROM on my custom-built PC. Everything is going fine until I choose any of the install options because then the screen turns black and I get no graphical feedback at all. The screen itself seems to get information though because it doesn't go [...] read more
installation
debian
3votes
2answers

Error installing IE11 - prerequisite update KB2834140

I'm trying to upgrade Internet Explorer my Windows 7 (x64) development VM from IE8 to IE11. Both the online and offline installers fail with a bland error message: enter image description here [https://i.stack.imgur.com/0dueo.png] The troubleshooter tells me nothing, but the IE11_main.log reveals: 00:04.524: INFO: Download for KB2834140 initiated. Downloading http://go.microsoft.com/fwlink/?LinkID=303935 [...] read more
windows-7
installation
internet-explorer
3votes
1answer

What can trigger a SIGPWR signal that interrupts a 'sendmsg' system call?

On a RHEL 6 host, I have a Cassandra server listening for TCP connections on localhost. In parallel, I have a client application that sends it requests. The client (C# Mono) uses sendmsg to send the serialized bytes. I consistently see the sendmsg return without having sent all requested bytes. [...] read more
linux
redhat-enterprise-linux
tcp
strace
system-calls
3votes
2answers

Sysprepped image will not complete setup

I'm having a problem installing/setting up an image. Background:I've created a Windows 7 Enterprise image (i.e. installed OS, installed applications, configured settings, etc.). Then I sysprepped it and captured/applied it with imagex (onto a computer with identical hardware as the original). When I boot up the new machine, windows starts [...] read more
windows-registry
setup
deployment
sysprep
3votes
4answers

Mac OS X: finder window keeps opening by itself and stealing focus

I have a Macbook with Mac OS X 10.4.11 here, with an annoying problem. After starting the computer and logging in, the finder keeps stealing focus. You can go back to your working app, but a minute later, it steals focus again. Even as I'm typing this message, I had [...] read more
mac
finder
focus
3votes
2answers

How to use openvpn for browsing

I'm just starting out with VPN and OpenVPN. What I understand is that I when I have a vpn connection, it's like I'm on the same network as the server. Then I should be able to connect to the server via the local address (10.8.x.x). Next to that I should [...] read more
debian
vpn
openvpn
tunnel
bridged
3votes
2answers

Something very strange with network

I have Windows 7 and I have very strange thing with my network. Some time I was connected through wireless router and my IP was 192.168.2.103, router's IP was 192.168.2.1 and some other IP was 192.168.2.100. The last I get from page "active DHCP clients" of web interface of the [...] read more
windows-7
networking
3votes
0answers

How to increase items Quantity in E-Commerce Cart using Provider in Flutter

I want to increase the quantity of product when I click on the add button in the productview or add to cart multiple time but I do not increase its quantity remain the same, someone helps me to solve this problem. How can I give an index to the items? [...] read more
flutter
dart
flutter-provider
3votes
2answers

How to limit speed for every device per MAC address in the gateway via Linux command "tc"?

I have a gateway whose OS is Linux.Assume my downlink bandwidth is 100 Mbps. I want to limit the max download speed to 1Mbps for every device which uses this gateway.In other words, if there are 100 devices, every device can get 1 Mbps bandwidth in theory.I tried doing traffic [...] read more
tc
3votes
0answers

FreeBSD major update broke vpnc connectivity, incoming ESP traffic doesn't appear unencrypted on interfaces

I updated a FreeBSD box from 10.4 to 11.2-RELEASE-p4 recently and it seems to have broken the vpnc VPN connectivity. Here's the vpnc.conf:IPSec gateway 10.1.0.1 IPSec ID vpnuser IPSec secret su0hoh8liNgeiT8 Xauth username vpnuser Xauth password miuthei3Niew2ee Nat Traversal Mode none Noninteractive Following the interface configuration; em0 is the hardware [...] read more
freebsd
ipsec
cisco-vpn
vpn-client
3votes
0answers

High Performance AWS EC2 / RDS + Nginx + PHP-FPM setup

GENERAL DESCRIPTION OF THE ISSUE We're currently running an application on a PaaS type solution for PHP. Their solution is based on AWS cloud and due to the fact that their plans don't fit our scaling needs, we've decided to migrate to AWS directly the application is performing "well" ~100ms [...] read more
nginx
amazon-ec2
amazon-web-services
php-fpm
high-load
3votes
1answer

Same hardware/software, significant difference in performance

Introduction I have two sets of machines, set A and set B, with apparently the same hardware/software configuration, but with a significant difference in performance. Machines in set B are up to x4 faster than machines in set A. However, if I reboot a machine in set A, inexplicably it [...] read more
performance
hardware
3votes
1answer

Iptables u32 matching nat

I'm currently setting up IPtables to redirect certain UDP payloads to my application. Here is an example of what I have working so far: iptables -t nat -I PREROUTING -p udp -d {IPDST} --dport 27055 -m u32 --u32 '0>>22&0x3C@8=0xFFFFFFFF && 0>>22&0x3C@12=0x54536F75 && 0>>22&0x3C@16=0x72636520 && 0>>22&0x3C@20=0x456E6769 && 0>>22&0x3C@24=0x6E652051 && 0>>22&0x3C@28=0x75657279' -j [...] read more
iptables
linux-networking
3votes
2answers

CentOS reporting lower total memory compared others in AWS

I have a t2.medium instance running in AWS on the CentOS 7 AMI and I noticed in top and free it's basically reporting 3.45GiB of total memory. If I launch an instance with the AWS linux (I think I tried the RedHat one too) it reports about 4GiB of memory. [...] read more
amazon-web-services
memory
centos7
3votes
1answer

Windows 2008 R2 services not working

EDIT I spawned the Windows events logging service won't start issue to a separate question here I have a strange problem: 1. SQLAGENT won't start 2. Windows events logging service won't start Today I tried to copy a db to test some changes, and discovered that SQL server agent can't [...] read more
windows-server-2008-r2
sql-server-2008
service
windows-event-log
3votes
3answers

Setting up gateway on different subnet than IP address

My provider has a (stupid) setup where the IP address for the gateway is on a totally different IP range than the assigned IP address. They insist on doing this for whatever reason. I'm trying to get Windows Server 2012 R2 configured using a static route but have had no [...] read more
networking
routing
windows-server-2012
gateway
3votes
1answer

Packets not entering FORWARD chain

first of all, this is not an every-day routing issue. The setup is fairly complex, so let me state it before. I got a router with, lets keep it simple, 3 interfaces. eth0, eth1, eth2. eth2 is used for pppoe. eth0 & eth1 have the clients. Okay so far so [...] read more
networking
iptables
routing
policy-routing
3votes
2answers

HP P410 ADU (hpacucli) generates empty report

I'm trying to monitor hard drive's smart status. I've tried smartctl tools and HP's own hpacucli to generate ADU report. However, neither of them are useful. smartctl does not show values like Power On Hours or Hard drive temperature. ADU report shows them empty. What's the right way to monitor [...] read more
raid
monitoring
hp
hardware-raid
hp-smart-array
3votes
1answer

Linux port based routing : reponse packets discarded

I would like to use port-based routing on my Linux local gateway. Here is my network diagram : 192.168.42.148/24 192.168.42.1/24 192.168.44.2 192.168.44.1 +--------------------+ +----------------------------+ +----------+ | Workstation (eth0)-|----------------|-(em0) Local_GW (tun0)-|------------| VPN_GW | +--------------------+ | (rl0) | +----------+ +-------------|--------------+ 10.133.8.79/21 | | 10.133.15.254/21 | +--------------------+ | Provider_GW | +--------------------+ Provider_GW only [...] read more
linux
iptables
routing
iproute2
3votes
2answers

iptables NAT with multiple interfaces

I have an ubuntu 10 machine I'm trying to set up with NAT. eth0 is the WAN interface, that uses DHCP. eth1, eth2, eth3 are LAN interfaces. They are connected to 192.168.0.50, .51, .52 respectively. NAT through eth1 works great. On eth2/3, I get nothing -- "no route to host" [...] read more
iptables
nat
2votes
2answers

Windows 10 drops IKEv2 VPN connection to Cisco router in exactly 60 seconds after last data exchange

Update 3: 22 January 2017 I've narrowed down the update that causes this problem: KB3201845 OS Build 14393.479 from December 9 2016. I went through all these updates step by step. Looking at the changes files manifest, these files have been changed: * agilevpn.sys * vpnike.dll Other topics I've created: [...] read more
networking
windows-10
vpn
2votes
1answer

Windows: SSL/TLS connection reset after ClientHello (ECONNRESET / write:errno=10054)

I'm using Windows Server 2012 as a workstation. The problem is that HTTPS connection initiated by node.js randomly fails. Probably this is system-wide issue and not only node is affected, but it appears mostly with node. Because any HTTPS request can randomly fail, npm install is a lottery and for [...] read more
windows
networking
ssl
https
openssl
2votes
0answers

on xeon, does addq require 2 clock cycles?

How many cycles are required to add long ints on a xeon? from timing trials, it appears that 2 clock ticks are needed. /proc/info says model name : Intel(R) Xeon(R) CPU X5660 @ 2.80GHz sample c code (loop.02.c) unsigned long i, j=0; for(i=0; i<(0xFFFFFFFF);i++) j+=3; assembler code 21:loop.02.c **** for(i=0; [...] read more
xeon
clockspeed
2votes
0answers

Failed MacbookAir boot Linux (Tails) - Kernel panic on boot

I’ve an error with my MacBook Air (Retina, 13-inch, 2018), version 10.15.1 Boot ROM version : 1037.40.124.0.0 (iBridge: 17.16.11081.0.0,0) I try to boot on Tails by a USB key and Apple adaptator Thunderbotl/USB See the log after select Tails boot : (AE_ALREADY_EXISTS) (20190703/psparse-529 [ 0.772994] ACPI Error: Aborting method \_PR.CPU0._PDC [...] read more
linux
boot
mac
kernel-panic
tails
2votes
1answer

Network interface for VPN connection explanation

I'd like to know exactly what is happening when I create a connection with my company's VPN. When I connect (using OpenVPN), I see the following network interface by using ifconfig: utun3: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500 inet 10.8.0.18 --> 10.8.0.17 netmask 0xffffffff This looks different from other network interfaces in that [...] read more
vpn
ifconfig
2votes
1answer

How to slow down traffic with tc?

I'm on Ubuntu 14.04; I'd like to learn the basics of traffic shaping, I made a simple script that should slow down my HTTP(S) traffic to ports 80 and 443. # usage: sudo ./filename.sh #delete existing rules # wlan0 is my WiFi tc qdisc del root dev wlan0 iptables -t [...] read more
wireless-networking
iptables
network-traffic
traffic-shaping
2votes
1answer

How do I configure DNS when sharing a VPN connection in linux?

I'm using a Linux computer (raspberry pi) to share a VPN connection over ethernet. I want the raspberry pi to connect to the internet normally (not over the VPN). I'm very close to getting it working, but I don't know how to configure the DNS for the eth1 network. Connection [...] read more
linux
networking
vpn
dns
dnsmasq
2votes
0answers

How can I get a Mellanox ConnectX-2 to work on this ASUS desktop motherboard?

People seem to be happy with second-hand Mellanox ConnectX-2s on Linux so I grabbed a pair. Both cards result in an network interface showing up on one computer but neither show up in the other computer. Working computer: * EVGA 120-LF-E650 desktop board * Ubuntu 16.04 LTS * Linux 4.4.0 [...] read more
linux
networking
network-adapter
2votes
1answer

Enable SCHANNEL Protocols in Windows Registry (Win7 & 2012R2) DisabledByDefault or Enabled?

I have enabled TLS 1.0/1.1/1.2 protocols on my local Win7 machine and 2012R2 server as well as disabled SSL 2.0/3.0 using the registry DWord value DisabledByDefault = 0 based on the following Microsoft support article: https://support.microsoft.com/en-us/kb/245030(see SCHANNEL\Protocols subkey...) But i noticed another TechNet article which seems to contradict this KB [...] read more
encryption
tls
authentication
cryptography
openssl
2votes
1answer

Routing subnet to specific routing table with fwmark, direct to ISP and VPN

Introduction I'm trying to set up a VPN on my router so that I have two routing tables. I want it so that all the filtering is done with iptables, and iproute just acts on the specific fwmarks, ie generic rules. It is an improvement of Routing a particular subnet [...] read more
networking
router
routing
iptables
openvpn
2votes
1answer

OS X - GPU Panic

For half a year, I've been experiencing random freezes/reboots on my MacBook Pro Retina Mid 2012 model. My current OS is OS X Yosemite, but I started experiencing the issue in the Mavericks era. The laptop has endured some occasional, unintended slight physical abuse, but nothing very serious. Just mentioning [...] read more
macos
gpu
kernel-panic
2votes
1answer

Computer tends to BSOD crash (in any browser) when using Flash based apps?

About a month ago my computer started experiencing crashes, at first it was just every once in a while, then it escalated to around 5 times a day. Typically it crashes when I access flash-based games and videos, but it has occurred at random, e.g. no sensible correlation between what [...] read more
windows-7
crash
flash
bsod
2votes
0answers

Random IDs in JavaScript

I'm generating random IDs in javascript which serve as unique message identifiers for an analytics suite. When checking the data (more than 10MM records), there are some minor collisions for some IDs for various reasons (network retries, robots faking data etc), but there is one in particular which has an [...] read more
javascript
math
random
2votes
1answer

Replacing a DLL got 0xC0000005: Access violation executing location 0xFFFFFFFF

I am trying to bypass a no longer needed DLL but we don't have the source because it's from a third party company of which they no longer maintain the code. We have an alternative solution to that DLL. However, unfortunately, it's a huge compiling work for our project so [...] read more
c
2votes
2answers

Xamarin.iOS cannot register with Azure Notification Hub in iOS 13.1.2

I have been dealing with this issue for a few days now. Yesterday an update was released for the Xamarin.Azure.NotificationHubs.iOS NuGet package. The way to register for the notification hub is NOW different in the sample on the Github link for the nuget package than in the Microsoft Azure documentation. [...] read more
azure
xamarin.ios
apple-push-notifications
2votes
0answers

Vega 56 Bandwidth Slow in (not only) TensowFlow - Why and how?

I just built a new AMD-based PC, with CPU - AMD Ryzen 7 3700X, GPU - AMD Radeon RX Vega 56, OS - Ubuntu 18.04. In order to use AMD GPU for Tensorflow, I follow these two to install ROCm. Everything seems fine and no problems in installation. I think [...] read more
tensorflow
gpu
amd
2votes
2answers

Raspberry BLE Encryption / Pairing

I'm trying to use my Raspberry Pi 3B to communicate with a BLE enabled device which dosen't require a PIN. I first tried with Ionic on iOS using cordova BLE central ( https://github.com/don/cordova-plugin-ble-central), which worked as expected, here is the exchanged packets : iOS (PacketLogger) May 21 07:59:36.825 Note 0x0000 [...] read more
node.js
raspberry-pi
bluetooth-lowenergy
2votes
1answer

Bit operation makes signed integer become unsigned

Computer uses two's complement to store integers. Say, for int32 signed, 0xFFFFFFFF represents '-1'. According to this theory, it is not hard to write such code in C to init a signed integer to -1; int a = 0xffffffff; printf("%d\n", a); Obviously, the result is -1. However, in Go, the [...] read more
go
casting
bit
signed
2votes
1answer

How should I initialise my stm32 ( f215 )

I am trying to make an extremely minimal stm32f215 firmware to teach myself its boot-up intricacies. As it is now I have this dump which, to my knowledge, should write the stack address to r0 and loop forever: firmware-d: file format elf32-littlearm Disassembly of section .isr_vector: 08000000 <vector>: 8000000: 20002000 [...] read more
arm
embedded
cortex-m3
2votes
3answers

Linus/ext4/nvme crashes during high io

During mvn compilation, I have random crashes. The problem seems related to high IO and in kern.log, I can see things like: kernel: [158430.895045] nvme nvme1: controller is down; will reset: CSTS=0xffffffff, PCI_STATUS=0x10 kernel: [158430.951331] blk_update_request: I/O error, dev nvme0n1, sector 819134096 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class [...] read more
linux
ssd
ext4
io
nvme
2votes
1answer

What's the largest possible Logical Cluster Number (LCN) on an NTFS volume?

By spec, NTFS partitions can have up to 263 - 1 logical clusters. But when I tried to calculate what size drive I'd need to test values greater than 32bits, I ran into a problem. Doing the math, a 4k cluster size with 0xFFFFFFFF + 1 clusters results in 17,592,186,044,416 [...] read more
ntfs
2votes
1answer

Enable IPv6 in MariaDB in FreeBSD jail

I'm trying to set up a MariaDB 10.2 Server on a FreeBSD 11.2 Jail. The Server is running and accepts remote connections via IPv4 just fine. According to sockstat, it should also be listening on IPv6: db# sockstat | grep 3306 mysql mysqld 17516 177 tcp46 *:3306 *:* This is [...] read more
mysql
freebsd
ipv6
mariadb
2votes
2answers

Transparent HAproxy on ubuntu (amazon EC2)

I am trying to setup a transparent HAproxy load balancer using ubuntu 18.04 on amazon EC2. I got the HAproxy to work on a non-transparent mode, so now I am trying to add the changes required for the transparent mode, but I am getting 503 Service Unavailable No server is [...] read more
haproxy
transparent-proxy
2votes
0answers

How to get TOR hidden service to work with iptables

I'm running an Arch Linux server which acts as a TOR relay and I would like it to act as a hidden service as well (I want to provide .onion access to my services, I know running a relay next to a HS is not suitable for an anonymous service). [...] read more
iptables
service
arch-linux
tor
hidden
2votes
0answers

How to fix Apache2 w/ suPHP to scan the correct .ini directory?

Apache2 was reading the correct area for php.ini in /etc/php5/apache2 until suPHP was added to the system. Configuring suPHP_ConfigPath in /etc/apache2/mods-available/suphp.conf gets the correct php.ini loaded, but does not correct the directories to be scanned. How, and where, do I fix this so that Apache loads/scans/uses PHP from the original [...] read more
apache2
php
2votes
2answers

OpenVPN routing between static hosts

I have an OpenVPN server with successful static-key tunnels to two separate hosts - my laptop, and another server elsewhere on the internet. I have connectivity over both OpenVPN tunnels. How do I make it so the server with two tunnels routes traffic across its tunnels? Switching to server mode [...] read more
debian
vpn
routing
openvpn
2votes
4answers

OpenVPN client connects but can't access internet

I setup an Openvpn server on a centos box and I can get the client to connect (osx) but can't access the internet or even the local network. I thought maybe DNS but couldn't access any sites via IP. Any help would be appreciated. I will list my config files [...] read more
centos
iptables
openvpn
2votes
0answers

DHCP offer is unicast but DHCPACK is broadcast

My DHCP server broadcast DHCPACK 0xffffffff . it is not working on layer 3 dhcp relay agent . as it can not forward this broadcast message to my client. can any one help me from exactly the broadcast bit set ? should I send any parameter to dhcp server so [...] read more
dhcp
dhcp-server
isc-dhcp
2votes
1answer

nslookup fails inside freebsd jail

I posted on the freebsd forums. I've been trying all night and I've made some progress but still I can't connect to the internet from my freebsd jail. Please just give me a hint here. I get the following inside the jail if I do nslookup www.google.com : ;; connection [...] read more
networking
freebsd
bsd
2votes
3answers

How to configure an authoritative time server in Windows Server

I have a performance lab running behind a firewall, so none of the machines in the lab has internet access. All machines in the lab are part of a domain with the domain controller also present inside the lab. The problem is that some server's time are drifting heavily. Some [...] read more
windows-server-2003
windows-server-2008-r2
ntp
w32time
1vote
1answer

ffmpeg scanline ordering in rawvideo AVI format

I am using ffmpeg to transcode videos into a specific AVI format using ffmpeg.exe -i "Input.ext" -y -vcodec rawvideo -pix_fmt rgb555le -an -map_metadata -1 TEST_ENCODE.avi. The resulting AVI is an input for a legacy command-line program that is no longer supported. Unfortunately, this program is unable to read AVIs produced [...] read more
ffmpeg
avi
1vote
1answer

Codec and setting for lowest bitrate ffmpeg output

I need to convert my input audio file to the lowest possible size to transfer it over a radio transmitter. Now with the AAC codec and MP3 format I used 8kbps for bit rate, 16 kHz for sampling rate and 1 channel, and my output data is about 3kb per [...] read more
audio
ffmpeg
android
mp3
1vote
0answers

AMD Ryzen 5 3600 + Ubuntu 20.04 problems

I have Ryzen 5 3600, Gigabyte X570 GAMING X and Radeon RX 580 Series. I installed Ubuntu 20.04 and it is loaded with kernel parameter acpi=off but now system recognize only 1 core(lspcu, cut /proc/cpuinfo, nproc). When I remove 'acpi=off' - Ubuntu freezes on login screen. dmidecode -t processor recognize [...] read more
acpi
amd-ryzen
core
1vote
1answer

Wireguard tunnel slow and intermittent

After asking this question I've gotten a wireguard vpn set-up that forwards all traffic from my local lan to a remote server. Connecting from the wireguard client host is fast. However, the connection from clients on the lan is much slower and drops a lot of connections. Traceroutes show that [...] read more
vpn
wireguard
1vote
1answer

Debian not detecting NVMe, ASUS Zenbook UX430UA

I'm trying to set up a Win 10 / Debian 10 dual boot on an Asus UX430UA that I've just bought new. I replaced the OEM SATA SSD with a larger NVMe SSD (ADATA XPG SX8200) and am trying to install both OS's on the same SSD, as I've done [...] read more
linux
debian
ssd
asus-laptop
nvme
1vote
1answer

php and zendguard with asterisk / freepbx

Im running freepbx version 13 and started to upgrade to version 14. System is on a CentOS 6 system. The system required certain upgrades first including php which I've upgraded to 5.6.40 and installed zenguardloader 2.6.0 I'm assuming there is some sort of incompatibility between php and zenguardloader as I [...] read more
php5
freepbx
1vote
0answers

Find cause of BSOD

Recently, I started getting BSODs a few times a week. I have a hunch that they are related to the display driver/docking station (I'm using IBM T480) because they seem to happen around the time I connect/disconnect to the docking station and more importantly, I don't actually see the BSOD, [...] read more
windows-10
bsod
1vote
0answers

Missing memory in linux ubuntu 16.04 system

I've been struggling with this problem for quite some time and am completely out of ideas. I have 8GB memory installed, but ubuntu sees only 3.2 GB. Hardware: Mother Board Information Intel DG965SS Processor Information Socket Designation: LGA 775 Type: Central Processor Family: Core 2 Manufacturer: Intel(R) Corporation ID: F6 [...] read more
linux
ubuntu
memory
1vote
0answers

The system time interval between Arm and Ubuntu

Problem Description: With Arm machine as a Server, with Ubuntu as a Client, Server via the Client send time package to sync that time, after synced time, Comparing their time, I found that with a continuation of the time, the time difference is bigger and bigger, I suspect that may [...] read more
linux
ubuntu
1vote
0answers

SOME/IP length error in trace window when sending SOME/IP messages from CANOE using CAPL script

I am getting SOME/IP length error(but getting correct data) in trace window when sending SOME/IP messages from CANOE using CAPL script. I think i am missing any settings that should be done in Canoe. Can anyone suggest a possible reason for this? and how to solve this? The code used [...] read more
networking
1vote
0answers

GRUB2 fails to boot multiboot compliant kernel that worked with GRUB Legacy

I have been trying to port a non-Linux mostly multiboot 0.6.96 compliant (the multiboot header is past 8 KiB) 32-bit elf kernel from GRUB Legacy to GRUB2. Currently, the kernel and GRUB are placed on a USB which is used to boot a different computer via the BIOS, like a [...] read more
boot
usb
grub
1vote
0answers

Error 582 while trying to access Windows Features

Today went to turn on the Hyper-V feature in the "Turn Windows Features On and Off" settings, but the dialogue would always just load for like 20 seconds then crash my machine. I looked up alternative ways to view/access the Windows Features and found you could do it from DISM [...] read more
windows-10
dism
1vote
1answer

Windows 7 OK button on Copy To dialog doesn't copy profile

So I am attempting to copy a User Profile to the default profile. I am using WinSpy++ to enable the disabled "Copy To" button - this process works on a stock laptop I have here. However, this does not work in a customised image I have with a fair amount [...] read more
windows-7
windows-registry
user-profiles
event-log
windows-embedded-7
1vote
2answers

How to add routing for 2 VPN connections?

I am trying to setup second VPN connection over the first one, which is my only option at the moment. The first VPN connection works fine(utun1), providing me internet access and it looks like this: Internet: Destination Gateway Flags Refs Use Netif Expire 0/1 10.56.10.5 UGSc 0 0 utun1 default [...] read more
networking
macos
vpn
routing
1vote
2answers

Mount ancient PATA disk (from a 386) to restore files (ATA 1, or older)

I have a PATA disk from a 386 laptop (1995?) which I would like to get files off. It is a Seagate 9096A, and is working. Using the old laptop is not possible. I have tried a USB - 2.5" PATA adapter, but it failed to properly interface with the [...] read more
hard-drive
1vote
1answer

Semi-disconnected network drives Windows 10 after timeout

I'm using Windows 10 in our company for a couple of weeks. Using the GPO (I'm a domain admin myself) we added some network drives for all users of our domain. This works fine. But.... For some reason, after a while my network drives are semi-disconnected. I use the word [...] read more
windows-10
network-shares
connection
1vote
0answers

Web Services for authentication over SSL failed due to TLS 1.2 on Windows Server 2012 and IIS 8

There are a SSL vulnerability called POODLE discovered by Google team in SSLv3 protocol. So uses of SSLv3 is not secure to use. Now its recommended to use TLS 1.2. We have IOS applications that are using web services over SSL for login to app. Apps started throwing error as [...] read more
login
ssl
windows-server-2012
https
web-services
1vote
1answer

linux drops packet when trying to route it - why?

I track packets using LOG targets for all chains of all tables and the last chain I see my packet in is the POSTROUTING chain of the mangle table: mangle_PREROUTING: IN=eth0 OUT= MAC=00:16:3e:0f:01:00:00:16:3e:0f:02:00:08:00 SRC=10.2.1.2 DST=10.1.1.2 LEN=84 TOS=0x00 PREC=0x00 TTL=63 ID=60912 PROTO=ICMP TYPE=0 CODE=0 ID=41230 SEQ=1 As off http://inai.de/images/nf-packet-flow.png, I expected [...] read more
networking
routing
iptables
1vote
0answers

Higher resolution not available Ubuntu 14.04 on ESXi host

The maximum resolution available for my Ubuntu 14.04 vm is 1360x768. However, the max resolution for my Ubuntu 16.04 is 2560x1600. Both are running on the same ESXi host with the same video card settings. Both have the latest version of VMware tools installed. The physical monitor I am accessing [...] read more
ubuntu-14.04
esxi
1vote
1answer

How to set up dual quadro cards on RHEL 5.5?

I have a RHEL 5 workstation with 2 nvidia Quadro FX4500 cards, with one display attached to each card. After doing a clean install of RHEL 5.5, the second display doesnt work (it worked ok in RHEL 5.2). Neither separate X screens nor Xinerama are working. The kernel version is [...] read more
multiple-monitors
redhat-enterprise-linux
nvidia-quadro
1vote
0answers

Is my NVIDIA GT 540M having a hardware failure?

I'm using a Sager NP5160 laptop, which has an NVIDIA GT 540M dGPU as well as integrated graphics. I'm dual-booting Windows 7 and Linux Mint. I've recently noticed issues with games not performing as well as they should when I switch to balanced mode (from UMA mode) in Windows 7. [...] read more
graphics-card
hardware-failure
nvidia-geforce
discrete-graphics
1vote
0answers

Mac not setting routes on openconnect with vpnc-client

I'm trying to connect to a VPN on my Mac, but for some reason routes aren't being set, even though they seem to be set by the vpnc-client script. root@machost:/Users/username# cat .openconnect authgroup=AUTHGROUPHERE user=USERHERE script=/usr/local/bin/vpnc-script no-cert-check #background #passwd-on-stdin root@machost:/Users/username# openconnect --config=.openconnect HOSTHERE POST https://HOSTHERE/ Attempting to connect to server 1.1.1.1:443 [...] read more
networking
mac
vpn
routing
cisco-vpn-client
1vote
1answer

What does netstat -r on OSX tell you about gateways?

I noticed the route table has a lot of entries I do not understand. The route tabel is: Internet: Destination Gateway Flags Refs Use Netif Expire default 192.168.0.254 UGSc 28 0 en1 10.8.0.1/32 10.8.0.5 UGSc 1 2 tun0 10.8.0.5 10.8.0.6 UH 2 3 tun0 127 localhost UCS 0 284 lo0 [...] read more
macos
networking
vpn
routing
netstat
1vote
1answer

Packets marked by iptables only sent to the correct routing table sometimes

I am trying to route packets generated by a specific user out over a VPN. I have this configuration: $ sudo iptables -S -t nat -P PREROUTING ACCEPT -P OUTPUT ACCEPT -P POSTROUTING ACCEPT -A POSTROUTING -o tun0 -j MASQUERADE $ sudo iptables -S -t mangle -P PREROUTING ACCEPT -P [...] read more
iptables
openvpn
iproute2
1vote
0answers

Auto-mount all USB-devices at same USB socket to same mountpoint

* I have a small computer with 2 USB sockets : A and B. * I want any external USB disk, attached to socket A - to be mounted as " deviceA" * I want any external USB disk, attached to socket B - to be mounted as " deviceB" [...] read more
linux
ubuntu
usb
debian
automount
1vote
0answers

Using TC from iproute, unable to match canid

I'm trying to use tc from iproute2 to prioritize packets sent to a canbus. Before doing so I read this guide about the issue: http://rtime.felk.cvut.cz/can/socketcan-qdisc-final.pdf Even using the exact examples from that pdf, I'm not able get any of the filters to get a match. My current version of kernel [...] read more
linux
networking
iproute2
1vote
0answers

Why did my ubuntu machine leave suspend?

Sometimes I come upstairs and my computer has left suspend and is booted or booting or whatever. Is there a log somewhere that will show what caused it to leave suspend? (ie mouse, keyboard, magic packet, power button?) This is what I see in dmesg: [191069.614821] init: anacron main process [...] read more
linux
ubuntu
hibernate
1vote
1answer

MFT / NTLDR / NTFS (external drive) damaged after ntfsresize (Linux)

I have had an external USB drive attached to a RaspberryPi (headless), 1.5 TB Volume, 100% partition NTFS. During this question Creating ext4 partition from console, my goal was to change the overall fs to ext4 by shrinking the ntfs partition to 50%, copy all files to the new partition [...] read more
linux
ntfs
mft
ntldr
ntfsresize
1vote
1answer

How do I stop Spotify from crashing?

I am using Spotify on wine on Linux (Ubuntu). It worked fine before, but after I uninstalled and re-installed it, for some reason every time I run it, it doesn't work. It crashes after I log in. When it crashes I can see the Spotify window. When it crashes, Spotify [...] read more
linux
ubuntu
wine
spotify
1vote
0answers

Mac crash report info - what can I learn from it?

My Mac (MacBook Pro, 10.7.3 OS) is crashing a couple of times a day. I started this behaviour just recently, and for no apparent reason. I've done a disk check and it all seems fine. When it crashes, the screen goes black and I have to long-press the power button [...] read more
macos
mac
crash
1vote
0answers

Mac crashing with black screen on XCode install + random other times

I have a Macbook Pro bought over a year ago without extended warranty. Lately it has started crashing as follows - the screen goes black. The last note of the music (if playing, radio or iTunes) loops repeatedly. It will not go into in standby when screen is closed. Power [...] read more
mac
crash
xcode
1vote
4answers

Kernel Panic every time I open a print queue

Every time I open any printer queue I get a kernel panic and have to reboot. It's quite frustrating. I've tried removing/adding printers, clearing all caches with Onyx, repairing permissions, all manner of things to no avail. Any tips would be greatly appreciated! ==== CRASH REPORT ==== Interval Since Last [...] read more
macos
printing
osx-leopard
kernel-panic
1vote
1answer

Is it possible to apply OpenMP?

I have some code in the following github repo: https://github.com/2005m/kit/blob/master/src/dup.c The loop(s) that I would like to parallelise with OpenMP start at line 244: for (R_xlen_t i = 0; i < len_i; ++i) { R_xlen_t key = 0; for (R_xlen_t j = 0; j < len_x; ++j) { key ^= [...] read more
c
openmp
1vote
1answer

CUDA compiler is unable to compile a simple test program

I am trying to get NVIDIA's CUDA setup and installed on my PC which has an NVIDIA GEFORCE RTX 2080 SUPER graphics card. After hours of trying different things and lots of research I have gotten CUDA to work using the Command Prompt, though trying to use CUDA in CLion [...] read more
c++
compiler-errors
cuda
gpgpu
clion
1vote
1answer

How to Refresh App State When Date Changes?

I have an app that relies heavily on the date. I want to make sure the app refreshes and is up-to-date when it's a new day. I have been using the WidgetsBindingObserver class but I'm not sure if I'm doing something wrong. Basically if a user visit the app on [...] read more
flutter
dart
1vote
0answers

why does my bitset store a max 64 bit value instead of a max 32 bit value when i pass in the max 32 bit value?

0xffffffff is only 32 bit, so can someone tell me why would b be 64 1s? Shouldn't it be printing out 32 0s follow by 32 1s? #include <iostream> #include <bitset> using namespace std; int main() { int a = 0xffffffff; string b = bitset<64>(a).to_string(); cout << b; return 0; [...] read more
c++
binary
bitset
1vote
2answers

Why am I getting segmentation fault on Beaglebone Black when accessing GPIO2 and GPIO3 through kernel module?

I have been attempting to get access to GPIO2 and GPIO3 on the beaglebone black through kernel module with no success. Every time I attempt to assign an output value to GPIOs 2 and 3 I get a segmentation fault. The exact same code (with the appropriate pin assignment) works [...] read more
c
module
linux-kernel
beagleboneblack
1vote
1answer

Ubuntu 18.04: GNU parallel can't find and use the full number of cores on a local system

I am using GNU parallel (version 20200522) on Ubuntu Linux 18.04.4 and running jobs on all cores of a local server minus 2 cores, that is I am using the -j-2 parameter. find /folder/ -type f -iname "*.pdf" | parallel -j-2 --nice 2 "script.sh {1} {1/.}; mv -f -v {1} [...] read more
gnu-parallel
1vote
0answers

Linux syscall table from C re-written to assembly

So, from this code, a kernel module, there is a get_system_call function to get the x86_64 system call table. #define IA32_LSTAR 0xc0000082 void *get_system_call(void) { void *system_call; unsigned char *ptr; int i, low, high; asm volatile("rdmsr" : "=a" (low), "=d" (high) : "c" (IA32_LSTAR)); system_call = (void*)(((long)high<<32) | low); printk(KERN_INFO [...] read more
linux
assembly
x86
x86-64
reverse-engineering
1vote
1answer

ASP.NET Core 3.0 Identity Server 4 (4.0.0) SecurityTokenInvalidAudienceException: IDX10214: Audience validation failed. Audiences: 'empty'

I keep getting the following error between postman and IdentityServer 4 Microsoft.IdentityModel.Tokens.SecurityTokenInvalidAudienceException: IDX10214: Audience validation failed. Audiences: 'empty'. Did not match: validationParameters.ValidAudience: 'MyNumberV2Api' or validationParameters.ValidAudiences: 'null'. at Microsoft.IdentityModel.Tokens.Validators.ValidateAudience(IEnumerable`1 audiences, SecurityToken securityToken, TokenValidationParameters validationParameters) at System.IdentityModel.Tokens.Jwt.JwtSecurityTokenHandler.ValidateAudience(IEnumerable`1 audiences, JwtSecurityToken jwtToken, TokenValidationParameters validationParameters) at System.IdentityModel.Tokens.Jwt.JwtSecurityTokenHandler.ValidateTokenPayload(JwtSecurityToken jwtToken, TokenValidationParameters validationParameters) at System.IdentityModel.Tokens.Jwt.JwtSecurityTokenHandler.ValidateToken(String token, TokenValidationParameters validationParameters, [...] read more
identityserver4
asp.net-core-3.0
1vote
1answer

Splash Screen, On boarding and Login Screen in Flutter Visual Studio Code

I have a few question because I'm a bit confused and don't know where to start. I create a splash screen(and it's working properly), but after the splash screen I am expecting onboarding is next, but when i run the app, it shows splash and login is next. Do i [...] read more
visual-studio-code
1vote
1answer

General Protection Fault when trying to `sti`

Trying to implement hardware interrupts on a test bootloader. Exceptions are working(thus found it is GPF). When trying to sti, a GPF is occured. Here is my main code: cli lgdt [gdt_desc] lidt [idt_desc] mov eax, cr0 or eax, 1 mov cr0, eax jmp 0x8:bit_32 bit_32: [bits 32] mov ax, [...] read more
x86
interrupt
qemu
bootloader
osdev
1vote
0answers

When assembleDebug Out of Memory error is thrown

So I'm new to flutter and dart.I've made multiple android apps and I am pretty familiar with coding but I just can't get to know flutter. I use Android Studio as Ide and when I try to compile my code , on the assembleDebug part, This error is thrown: c:\b\s\w\ir\k\src\third_party\dart\runtime\vm\zone.cc: [...] read more
flutter
dart
1vote
2answers

pinch zoom the layout in android

This is the zoom the layout. public class Zoom extends FrameLayout { /** * Zooming view listener interface. * * @author karooolek * */ public interface ZoomViewListener { void onZoomStarted(float zoom, float zoomx, float zoomy); void onZooming(float zoom, float zoomx, float zoomy); void onZoomEnded(float zoom, float zoomx, float zoomy); } [...] read more
android
pinchzoom
1vote
1answer

Using the right Perl array references with IPC::Run

I'm trying to get this Perl code to work correctly and I believe I just need to get my references right. I would appreciate any feedback on how to use references, but if this code can't be made to work without API changes I would also appreciate feedback on how [...] read more
perl
perl-ipc-run
1vote
0answers

Data too big for QR Code Generation with XZing in Android with Java

I am trying to generate a QR Code and set it to an ImageView out of a PGP Public Key in my Android Application with Java. The libary I use is XZing and I am on Android Studio. This worked well before with smaller Strings, however when I try to [...] read more
java
android
android-studio
qr-code
1vote
1answer

Add reward points flutter

I want to make a reward points app, for that i use a random function. The problem is i don't know how to add this number to the previous number. to get sum points.enter image description here [https://i.stack.imgur.com/Z1NYW.png] And here is the result i want to have the sum point [...] read more
flutter
points
1vote
0answers

TLS/SSL RABBIT MQ (Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host..)

TLS/SSL following steps as: To create the root CA certificate 1. genrsa -des3 -out CA-key.pem 2048 2. req -new -key CA-key.pem -x509 -days 1000 -out CA-cert.pem -subj "/C=US/ST=Oregon/L=Portland/O=user/OU=Org/CN=right.xcl.one" To create a Signing a Server Certificate: 1. genrsa -des3 -out server-key.pem 2048 2. req –new –config openssl.cnf –key server-key.pem –out signingReq.csr [...] read more
c#
.net
security
ssl
rabbitmq
1vote
0answers

Simply disassemler with ptrace request

I am trying to learn how breakpoints software works with pctrace (inserting INT3) in the code. For this I have followed a series of examples from different sites to create a simple disassembler, and I have been doing a kind of merge with them according to what interested me. The [...] read more
disassembly
ptrace
1vote
0answers

How to navigate to one page to another page using textfield in flutter?

I have added 62 pdf pages in ListView. class MyApp extends StatefulWidget { String _pdfPath; int currentPage; ScrollController Controller = ScrollController(); set PdfPath(String path) { if (path != _pdfPath) { _pdfPath = path; } } @override _NativePdfState createState() => _NativePdfState(_pdfPath,currentPage); } class _NativePdfState extends State<MyApp> { String _pdfPath; int _currentPage; [...] read more
flutter
dart
scroll
1vote
0answers

app crashing at run time after tying to change vision code

i worked on an update in my app that is on play store on i want to change the version code which i did in the yaml file but now if i install the apk it will crash at run time. Even the debug mode too is crashing in the [...] read more
flutter
1vote
2answers

Image positioning in Listview search

I have a problem with the pictures when I use the search then the app always takes the first picture instead of the picture that belongs. I added two pictures where you can see what I mean by "Adrenaline". Can someone help me by chance? I would be very happy. [...] read more
java
android
1vote
1answer

How to write and call std::hash? - for gmp's mpz_class and mpz_t

I think most of the work is done here, just a little detail is missing at the end. Read on. I'm trying to write the glue code for using MurmurHash3 to hash big integers ( mpz_t and mpz_class) of the GMP library in C++. I do this in order to [...] read more
c++
hash
unordered-map
gmp
1vote
1answer

Warning: Module 'curl' already loading in Unknown on line 0 (Fix this from a custom.php.ini file)

After doing some research on the site this error occurs because of the php.ini file most likely including a reference to load the extension when it was already compiled into the PHP. That said, I'm using Docker and Docker-Compose. I found a way to keep the default php.ini file and [...] read more
php
curl
docker
composer-php
php-ini
1vote
0answers

Cant store firebase storage image url to firestore

I'm writing a code to save data in firestore, but it saves other data without image url. Here is my code: import 'package:flutter/material.dart'; import 'package:flutter_learning_app/Models/notice.dart'; import 'package:flutter_learning_app/Services/crud.dart'; import 'package:uuid/uuid.dart'; class NoticeProvider with ChangeNotifier { final firestoreService=FirestoreService(); String _userName; String _userPost; String _date; String _photoUrl; var uuid=Uuid(); //setters changeUserName(String value){ _userName=value; [...] read more
flutter
dart
google-cloud-firestore
firebase-storage
imageurl
1vote
1answer

Routing between OpenSWAN / IPSEC tunnels

I am trying to connect multiple Amazon VPCs (across regions) together using OpenSWAN and Amazon VGW's. The router instance can ping to hosts in both VPCs, and traffic is attempting to cross the router, but is getting dropped. EDIT: I see the counter XfrmInNoPols incrementing when the pings are not [...] read more
amazon-web-services
vpn
linux-networking
ipsec
openswan
1vote
1answer

Client object identifier in BIND 9 query logs

The BIND 9 Administrator Reference Manual e.g. for version 9.14.11 or 9.17.1 states in * 5.2. CONFIGURATION FILE GRAMMAR * The category Phrase * queries > The query log entry first reports a client object identifier in @0x<hexadecimal-number> format. This term has not been mentioned anywhere else in the ARM, [...] read more
bind
1vote
1answer

IIS Site breaks after disabling SSLv3

I am trying to disable SSLv3 on a 2008 R2 web server that runs IIS 7.5 but as soon as I disable SSLv3 and reboot, the website is no longer reachable. I ran a packet capture with SSLv3 still enabled and my client is establishing a TLS 1.2 connection so [...] read more
windows-server-2008-r2
ssl
iis-7.5
tls
poodle
1vote
0answers

TC Filter With BPF and NFTables Packet Marking

I made a TC BPF ingress program and I want it to process specific packets only marked by NFTables. Here's my NFTables table that marks the specific packets: table ip compressor_tc { chain prerouting { type nat hook prerouting priority -99; policy accept; ip daddr 10.50.0.3 tcp dport != ssh [...] read more
tc
filter
1vote
0answers

Hyper-V Core Server 2019 ignoring power plan thresholds

I am attempting to tweak Hyper-V Core Server 2019 (host) power thresholds, however my attempts have failed so far. Scenario The newly created Hyper-V 2019 Server (part of Workgroup, not yet a Domain) has been attached to an external UPS. Battery status is provided through a USB cable. The UPS [...] read more
hyper-v
ups
1vote
0answers

Windows Task Scheduler claims successful execution despite return code of -1 (0xffffffff, 4294967295)

Having a very strange case here, where a windows task scheduler job executes a C# console application at a specific time, that returns -1 in case of an error. The job is configured to rerun itself if an error occurs. The console app fails and returns the error code. The [...] read more
windows
scheduled-task
.net
console
1vote
0answers

Enabling TLS 1.1/1.2 on Windows Server 2008 SP2 still not possible

first for those of you, who might think, this question has been asked so many time before so it is a useless duplicate... 1. I cannot (yet) comment on other questions, so my only option on this is to ask new question. 2. I've searched and read the following articles [...] read more
windows-server-2008
ssl
1vote
3answers

2018-08 Cumulative Update for Windows Server 2016 (KB4343887) Failing

I've been trying to update the Patches which is failing continuously enter image description here [https://i.stack.imgur.com/PDkYQ.png] When I click the Failed to Install, I popped with the below description > 2018-08 Cumulative Update for Windows Server 2016 for x64-based Systems (KB4343887) A security issue has been identified in a Microsoft [...] read more
windows-server-2016
windows-update
credssp
1vote
1answer

Amazon RDS SQL Server Express 2012 - Fail to log-in

I recently created a new RDS of SQL Server Express 2012. I have set the security to be publicly available and to accept all ports and incoming connections. From some reason, I fail to connect it using my three clients: - HeidiSQL - SQL Server Management Studio - java client [...] read more
amazon-vpc
amazon-rds
1vote
1answer

shape dropbox on linux router with tc and iptables

Another machine on my LAN is uploading to Dropbox and saturating my internet connection's upload bandwidth. When that happens my pings to 8.8.8.8 take 3000-6000ms. When dropbox is not uploading my pings to 8.8.8.8 are 45ms. I'm trying to simply slow down and de-prioritize forwarded traffic to/from Dropbox on my [...] read more
traffic-shaping
qos
tc
htb
1vote
2answers

Ubuntu: updated mainline kernel, now drops to initramfs

I attempted to upgrade our system's mainline kernel and am now dropping into initramfs. < update>: The commands I used were: apt-get update apt-get upgrade apt-cache search linux-image //grabbed last entry apt-get install linux-image-4.4.0-67-generic < /update> I have researched the topic and found that I should be able to access [...] read more
ubuntu
boot
kernel
grub
initramfs
1vote
2answers

Kerberos Failure Audit Event Id 4769 on Domain Controller

I have an average of 17-18 failure audit events per hour recorded in the Security event log of a Windows 2012R2 domain controller, related to attempts of a Windows 2008R2 member server to obtain a Kerberos service ticket A Kerberos service ticket was requested. Account Information: Account Name: TORPDC01$@ACME.COM Account [...] read more
windows-server-2008-r2
windows-server-2012-r2
kerberos
1vote
0answers

iptables SNAT not honoring original port intermittently

I have a mark/mangle/SNAT setup that has been working great for years. However, when trying to use this same setup for DHCP requests, it intermittently fails: *mangle -A OUTPUT -p udp -m udp --dport 67 -j MARK --set-xmark 0x7/0xffffffff #... *nat -A POSTROUTING -m mark --mark 0x7 -j SNAT --to-source [...] read more
iptables
routing
1vote
2answers

"Service Unavailable" on fresh installation of OS and IIS 6 no matter what I try

I recently installed Windows Server 2003 on a virtual machine and then added the IIS role. (The reason for using an old OS is to make some old software work - Crystal Reports web server component) I have not yet added any pages/apps to the website (except one very simple [...] read more
windows-server-2003
iis-6
1vote
1answer

Can't connect to AWS instance after import with stock Centos7

I am trying to import a Centos7 based VM into Amazon AWS. The VM was created with the Centos7 minimal ISO installed into VirtualBox. Networking in the VM works fine locally before trying to do the import. I am using the EC2 command line tools to do the import: ec2-import-instance [...] read more
amazon-ec2
amazon-web-services
centos7
import
1vote
1answer

Out of 2 VMs and their 1 host, only 2 at a time are reachable from the LAN

I have a VMware vSphere hypervisor set up with two VMs. I need to be able to reach the host (for configuration, etc.) as well as both VM's from my client (which is also in the same subnet). I want to set up a PoC Hadoop cluster, and the client [...] read more
networking
vmware-esxi
1vote
3answers

Windows Server 2003: Backup Failed

I am having trouble backing up my server. I back up to an external hard drive, and up until now, I haven't had any problems with it. But today my backup failed. Here is the report from the backup log: Backup Status Operation: Backup Active backup destination: File Media name: [...] read more
windows-server-2003
backup
vss
1vote
0answers

Policy routing local user's traffic down a tunnel

I've got a Linux based Firewall/Router running iptables and SNAT for traffic passing through it to the Internet via a single uplink - This is working fine. There is also a small number of applications running on this server which also work fine. I've also got an OpenVPN client running [...] read more
iptables
routing
openvpn
linux-networking
1vote
1answer

How to debug intermitent network outage on Citrix XenServer

I have two Citrix XenServers in a pool. Both have a NIC for Management, a NIC for the SAN and a NIC for the VMs to connect to the network. The NIC for the VMs (eth3) has multiple networks configured for the VMs with different VLAN IDs. This has been [...] read more
xenserver
1vote
0answers

Freebsd, ipfw sched - config type = QFQ get frozen

I have some freebsd soft-router $uname -r 8.2-STABLE code for ipfw: pipe 50 config bw 70Mbit/s sched 50 config type QFQ queue 502 config sched 50 weight 1 mask dst-ip 0xffffffff queue 501 config sched 50 weight 9 mask dst-ip 0xffffffff add 01501 queue 502 ip from 10.32.0.0/14 to 10.32.0.0/14 [...] read more
freebsd
traffic-shaping
ipfw
1vote
2answers

OpenVPN Network Unreachable

I'm working to set-up a VPN access to a group of virtual machines at Linode., the topology looks something like this: db.example.com LAN: (eth0:0) 192.168.154.127/255.255.128.0 utility.example.com LAN: (eth0:0) 192.168.164.229/255.255.128.0 And, more servers on the LAN with addresses in the same range. The utility server is hosting the OpenVPN Here's my [...] read more
ubuntu
mac-osx
routing
openvpn
0votes
2answers

Video from vhs via USB capture device on Linux

I want to transfer video from a VHS tape to my computer with Arch Linux, using a USB capture device that comes with Roxio Easy VHS to DVD, which I recently bought. I tried to plug in the device, and it was properly recognized. From /var/log/messages.log, em28xx #0: Identified as [...] read more
linux
video
video-capture
0votes
0answers

Can not use full capacity of installed ram

I have Aorus Master X570 with Ryzen 9 3950X and separate graphics card (ASROCK Radeon RX 5500 XT Challenger D 8G in PCIe 4 16x slot) I have installed 4x 32GB DDR4 corsair modules (VENGEANCE RGB PRO 64GB (2 x 32GB) DDR4 DRAM 3000MHz C15 Memory Kit) to it which [...] read more
memory
motherboard
0votes
3answers

Disable/pause AHK script while game is minimized

I have an AHK script that allows me to bind joystick presses to keystrokes. These keystrokes are used to trigger functions in a trainer that runs in the background while I play a game. The script works fine, but the problem is that the joystick bindings send unwanted input to [...] read more
script
autohotkey
0votes
0answers

Linux booting stop at Starting kernel when using Yocto build image with SD card

I'm tring to porting linux on imx6 PDK B/D(imx6-qaudplus-sabreauto) with Yocto build image. my customize sdcard image (mixed imx6/8)= * u-boot.bin(iMX6 Yocto bitbake result) * zImage(iMX6 Yocto bitbake result) * .dtb file(iMX6 Yocto bitbake result) * rootfs(iMX8 Yocto bitbake result) but stop at Starting kernel... and no more console printed. [...] read more
linux
boot
0votes
0answers

I got a SIGILL and JVM crashed when I booted a java application with --agentpath:libxxx.so on AIX 7.1

My dynamic shared library complied with CPPFlAGS: -q64 -G. The compiler version is IBM XL C/C++ for AIX, V11.1 (5724-X13) Version: 11.01.0000.0024 when it was started, then crashed, here is part of information in hs_err*.log. It seems that this error occurred by dlopen # # A fatal error has been [...] read more
crash
aix
jvm
0votes
0answers

Linux-Yocto, ARM: VFS: Cannot open root device "ubi0:root" or unknown-block(0,0):

I'm booting from NAND zImage and rootfs (UBIFS) to the ARM board (yocto-project building). global.bootm.image="/dev/nand0.root.ubi.kernel" global.bootm.oftree="/dev/nand0.root.ubi.oftree" global.linux.bootargs.dyn.root="root=ubi0:root ubi.mtd=root rootfstype=ubifs" The process is just erase, format UBI volume and write UBIFS. ubiformat /dev/nand0.root ubiattach /dev/nand0.root ubimkvol -t static /dev/nand0.root.ubi kernel 8M ubimkvol -t static /dev/nand0.root.ubi oftree 1M ubimkvol -t dynamic /dev/nand0.root.ubi [...] read more
linux
partitioning
root
yocto-project
0votes
2answers

Virtual machine has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005)

I have installed VB on a new machine running Windows 10 Pro 1803 (build 17134.556) and running any machine instance always fails with this error: The virtual machine 'linux' has terminated unexpectedly during startup with exit code -1073741819 (0xc0000005). More details may be available in 'C:\Users\osama.shabrez\VirtualBox VMs\linux\Logs\VBoxHardening.log'. Result Code: E_FAIL [...] read more
virtualbox
0votes
2answers

External SSD Drive won't mount on OSX

A colleague at work has a Kingston 240GB SSD drive which has come out of a now dead computer. We want to be able to recover some data from it (no backups sadly) however the drive won't mount properly. I am using an Anker USB3 external HDD enclosure which I [...] read more
macos
hard-drive
ssd
external-hard-drive
data-recovery
0votes
1answer

UBI layout volume not found

I am following Bootlin's embedded Linux training which aims to put an embedded Linux system on an Atmel SAMA5D4 Xplained board (theory slides, practical lab instructions) and I am stuck a putting the whole system on the NAND flash. They ask me to put the DTB, the kernel, the root [...] read more
linux
embedded-linux
0votes
1answer

Why isn't my forced MAC address change working (Raspberry Pi)?

I'm working with Raspberry Pi Zeros on a subnet. I bought external Ethernet adapters for each one to connect them to one another. Unfortunately, these ethernet adapters all came with the exact same MAC addresses, making communication between the Pis near impossible. Because of that I've tried forcing a change [...] read more
linux
networking
raspberry-pi
subnet
0votes
0answers

System hang and black screen BugCheckCode 278 and BugCheckCode 0

For past two days the system would hang up or enter black screen and won't restart right away (after pressing restart button) but at one instant it generated Blue Screen (BugCheck Code 278). This issue has been occurring only during gaming(for one game during loading screen for other mid game [...] read more
windows-7
freeze
bsod
crash
0votes
1answer

Dell desktop falls asleep in a couple minutes, ignores power/screen saver settings

My parents' Dell Inspiron tower goes to sleep within ~3 minutes of inactivity, despite every power setting in Windows (screen saver, turn off screen, go to sleep, turn off hard-disk, etc.) either turned off or set to 60 minutes. This answer claims that Dell has been known to bundle their [...] read more
windows-10
sleep
power-management
dell-inspiron
0votes
0answers

Windows 10 Explorer crashes when opening "new" context menu, need help deciphering dump file

As the title says, whenever I attempt to open the "new" sub-menu of the right click context menu in Windows 10 explorer locks up and then crashes a few moments later. This issue only appeared in the last couple days and I suspect it is a result of the Creator's [...] read more
windows
windows-explorer
windows-update
context-menu
0votes
1answer

Two openvpn connections: one with redirect-gateway and a second one for private network

I have a personal VPN that I use as a default gateway for all Internet traffic when I'm on the road. This works great and I have no problem. I also have a work VPN, which I need to connect to reach machines on their private network. What I want [...] read more
networking
routing
openvpn
0votes
0answers

different speed ssd partitions

I have Samsung NVMe SSD 960EVO 250GB disk and it gives me some weird result when testing read speed using hdparm -tT. Speeds before trim /dev/nvme0n1: Timing cached reads: 24486 MB in 2.00 seconds = 12256.70 MB/sec Timing buffered disk reads: 5502 MB in 3.00 seconds = 1832.95 MB/sec jkalmar@supercomp:~> [...] read more
linux
ssd
performance
opensuse
0votes
0answers

Kworker thread has high CPU usage

I have a kworker thread with high cpu usage, which is causing my touchscreen to be very lag-y and unresponsive. Running a beaglebone with Debian. uname -r 4.1.15-ti-rt-r43 pid user pr ni virt res shr s %cpu %mem time+ command 90 root 20 0 0 0 0 R 34.7 0.0 [...] read more
linux
cpu
kernel
linux-kernel
threads
0votes
1answer

HP Proliant getting down with Critical error LED Blinking - what then?

After a few hours of correctling working, our proliant Server stop calculus with the System Healt LED 12 blinking, which according to the documentation ( http://h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c01706108-8.pdf ) is the sign of a "Critical system failure detected (processor, memory, regulator, thermal event, fan, NMI)" (page 96). SSH is then lost. We [...] read more
linux
ubuntu
memory
0votes
0answers

PPTP error 619 when accessed externally

I set up a PPTPD server on Arch Linux. If I connect to the VPN using the server's local IP (192.168.1.107), it works, but if I connect to the VPN using the external IP address, then the client results in error 619. Any help would be greatly appreciated! Output of [...] read more
linux
networking
vpn
arch-linux
pptp
0votes
2answers

Postfix SMTP SSL config: Can't send email but can receive it with SSL

I am trying to finish configuring my postfix/dovecot mail server that sits behind my home's router/firewall. I'm on Mint/Ubuntu 12.04. I'm close. I can connect/retrieve emails via SSL but can only send email from a client when not using SSL, just username/password. If I attempt an SSL connection with the [...] read more
email
ubuntu-12.04
ssl
postfix
dovecot
0votes
1answer

Recieved BSOD after restart

When i start my laptop i get this error "DPC_WATCHDOG_VIOLATION" i really donyt know what is the issue... can some one help.... -------------------------------------------------------------------------------- DUMP FILE Microsoft (R) Windows Debugger Version 6.3.9600.17336 AMD64 Copyright (c) Microsoft Corporation. All rights reserved. Loading Dump File [I:\121115-55411-01.dmp] Mini Kernel Dump File: Only registers and [...] read more
windows-8
bsod
0votes
2answers

Windows 8.1 dual-boot with openSUSE boot failure

I already have Windows 8.1 on my newly built PC and wanted to dual-boot with openSUSE. I wrote the install image to a USB, but the install kept hanging so I used network install (also written to a bootable USB). Before install I created a separate 100 GB partition on [...] read more
linux
boot
windows-8.1
partitioning
opensuse
0votes
0answers

Suspend does not work on Debian Jessie

Today I observed that suspend sometimes does not work properly in freshly installed Debian Jessie. After executing suspend (Alt + Shut Down button) the following message appears on black screen: Loading, please wait... The syslog is as follows. I kindly as for any suggestions. Jul 12 18:53:10 svarog kernel: [ [...] read more
linux
debian
suspend
0votes
0answers

pm-hibernate does not turn off system

I'm trying to make pm-hibernate to work on my Ubuntu 14.04 system. When I invoke sudo pm-hibernate display turns off and I can't do anything anymore but computer does not turn off. All I have found in logs is: Mar 17 21:40:25 dmitry-pc kernel: [ 0.000000] PM: Registered nosave memory: [...] read more
linux
ubuntu
hibernate
ubuntu-14.04
0votes
1answer

Mono is crashing on MAC OS X with Keepass 2.23

Mono is crashing on MAC OS X (10.8.4) with Keepass 2.23 while accessing password database. Using keepasshttp with firefox. Any workaround for this ? =========================================================== Process: mono-sgen [7586] Path: /usr/bin/mono Identifier: mono-sgen Version: ??? Code Type: X86 (Native) Parent Process: bash [7194] User ID: 501 Date/Time: 2013-08-15 13:34:28.515 +0530 OS [...] read more
macos
keepass
mono-framework
0votes
2answers

Why can't I connect to an AFP server over VPN on OS X 10.8

I have set up a VPN connection on my MacBook Pro OS X 10.8.5 laptop, to my office network so I can access my AFP file server from home. The VPN connection appears to be working correctly. The Status reads Connected and I am getting both a connect time and [...] read more
macos
networking
mac
vpn
afp
0votes
1answer

Bluetooth / Bluez: No reply to ping over bnepX interface

I have trialed to use Network, NAP profiles on Bluetooth. On Host, xUbuntu 13.04 I have followed as here. This Host or XUbuntu machine is behind proxy & runs on virtual machine. It is installed with Bluetooth version 4.101 On embedded board, ping 173.194.112.211 responds as below: PING 173.194.112.211 (173.194.112.211) [...] read more
linux
networking
wireless-networking
bluetooth
0votes
0answers

command to write to physicaldrive?

I have a bat file that we use to write meaningless data to a harddisk. But I dont know what exactly it means... Here is the command: dtlite2 of=\\.\physicaldrive1 bs=256k limit=200m passes=1000 disable=cache pat_part1=0xffffffff pat_part2=0xffffffff pat_part3=0x0 pat_part4=0x0 dlimit=2048 platform is windows. This is run from a bat file. read more
windows
hard-drive
writing
0votes
1answer

Laptop computer grahpic opens and loads slowly

So i have this laptop whenever i open a folder, close a folder, or do anything graphical it runs slowly. and when i say slow i mean you can actually SEE in slowmo the animation running. Say for instance you want to open a folder. you can see the full [...] read more
windows-7
graphics-card
graphics
0votes
2answers

Wine crashes when trying to run portable version of Firefox

I think there is something wrong with my Wine setup, but I don't know how to fix it or even what it is. Others have gotten this program to work without problems in Wine. This is the console output that I get from Wine before it crashes. > fixme:system:SetProcessDPIAware stub! [...] read more
linux
ubuntu
firefox
ubuntu-10.04
wine
0votes
1answer

OSX Panic about once a week

I am running OSX 10.6.6 and I this is the second kernel panic in 2 weeks. Here is the log that gets sent to Apple. Help! Model Name: MacBook Pro Model Identifier: MacBookPro6,2 Processor Name: Intel Core i7 Processor Speed: 2.66 GHz Number Of Processors: 1 Total Number Of Cores: [...] read more
macos
kernel-panic
0votes
1answer

xorg.conf: Why does this have no effect?

Here is my xorg.conf file. The problem is that my resolution setting 1600x900 is getting ignored. The resolution keeps popping to 1280x1024 Edit The resolution comes up as 640x480 after unplugging the physical monitor. When my file gets ignored, the system seems to read my monitor to find it's capabilities [...] read more
resolution
xorg.conf
solaris-10
0votes
2answers

Python/Tinker 'datetime.date' object has no attribute 'get' (Input date in to notepad doc)

I'm new. To gain a idea of how basic coding works I have created an GUI where the end user will enter text in to a input widget, press a button and the text will display in the shell save on a notepad. My GUI has three button; * Button [...] read more
python
tkinter
notepad
0votes
1answer

Integer.toHexString in Python

Here I have java code static String md5(byte[] bArr) { MessageDigest instance = MessageDigest.getInstance("MD5"); instance.update(bArr); byte[] digest = instance.digest(); StringBuffer sb = new StringBuffer(); for (byte b : digest) { sb.append(Integer.toHexString(b & 0xffffffff)); } return sb.toString(); } calling md5("A".getBytes()), I got 7fffffffc56270ffffffe7ffffffa7fffffffa81a5935ffffffb72effffffacffffffbe29 How can I achieve the same result by [...] read more
python
0votes
1answer

MediaQuery.of() called with a context that does not contain MediaQuery

I was recently watching a video to convert an adobe xd prototype into an app using flutter. however I got this error: > MediaQuery.of() called with a context that does not contain MediaQuery. No MediaQuery could be found starting from the context that was passed to MediaQuery.of(). This can happen [...] read more
flutter
adobe-xd
0votes
0answers

compare vector of values using intrinsics / simd

I'm trying to compare a vector of 8 bit chars to another vector using intrinsics, but encountering an unexpected crash when comparing values. I'm using C/C++ with microsoft visual studio for this. A minimum reproducable example would be the following: #include <immintrin.h> #include <string> int main(int argc, char* argv[]) { [...] read more
c
simd
intrinsics
avx
0votes
0answers

CMake is Unable to Compile a Simple Test Program in CLion

I am using CLion and have been for a long time now and I have had no issues with it until recently. I was trying to get CUDA to work in CLion but was unable to make any progress. I asked a question on stack overflow but had no answers, [...] read more
c++
visual-c++
cmake
cuda
clion
0votes
0answers

How to scale (e.g. enlarge) custom view drawing created with fixed paths?

I have a CustomView with layout(l,t,r,b) in parentView. public class MyCustomView extends View { private Path mPath_LeftWing; private Path mPath_RightWing; private Paint paint_Fill_LeftWing; private Path mPath_Head; private Paint paint_Fill_Head; private Path mPath_Hair; private Paint paint_Fill_Hair; private Path mPath_LeftEye; private Path mPath_RightEye; private Paint paint_Fill_Eye; private Path mPath_LeftEyeBall; private Path mPath_RightEyeBall; [...] read more
android
canvas
path
scaling
0votes
0answers

How to get IndexedStack children state flutter

I used IndexedStack with BottomNavigationBar to keep state of Screens/pages/Widget. But now if I navigate to second or third page from home tab then I'm not able to get the current state of page. Basically I want to dispose the video controller but when I changed the tab, onDispose() method [...] read more
flutter
dart
0votes
3answers

Drawing and filling a Circle

I just started with SDL in c++ and VS 2013 Community. I want to draw a circle and so i searched on Google and found http://content.gpwiki.org/index.php/SDL:Tutorials:Drawing_and_Filling_Circles. But as I tried to implement it in a seperate fill_circle.cpp file, include this in my main.cpp and call the function, I get the [...] read more
c++
drawing
sdl
geometry
0votes
1answer

Validating CRC32 checksum

I am able to successfully generate a CRC32 that matches the expected output. However, when I try to plug the message M with checksum C (generated by the CRC32 function) back into that same CRC32 generator, I'm not able to get the expected output of 0x00000000. My CRC32 generator is [...] read more
c
crc
crc32
0votes
1answer

Read access violation on dumping UAV buffer contents

I'm trying to modify an existing example from Frank Luna's Introduction to 3D Game Programming with DirectX 11. The compute shader code originally takes two structured buffers via SRVs and adds them and writes them into a structured buffer via UAV. Instead, I'd like to load from one raw buffer [...] read more
directx
hlsl
direct3d
compute-shader
0votes
1answer

No TabController for TabBarView in flutter

Here is my code import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:responsive_widgets/responsive_widgets.dart'; import 'package:pie_chart/pie_chart.dart'; import 'dart:io'; import 'package:flutter/foundation.dart'; class Recipe extends StatefulWidget { @override _RecipeState createState() => _RecipeState(); } class _RecipeState extends State<Recipe> { TabController _tabController; bool toggle = false; Color selectedColor1 = Color(0xffff718b); Color selectedColor2 = Colors.black; Color cc = Color(0xffff718b); [...] read more
flutter
flutter-layout
0votes
0answers

Unix cksum CRC and C# CRC produces different results

I have a unix server that I have to load these files to, according to the person managing the server, it uses the unix cksum command to calculate the crc of a file before it allows the file to be stored. I have tried 2 libraries in c# Unix CRC [...] read more
c#
.net
unix
0votes
2answers

react hook stop updating itself

I am making a roulette game, at this point the code print a random number, saves it and then generates the random number again. There are several states that print other info like win in first line, win in second line etc. The code works for some time but suddenly [...] read more
javascript
reactjs
react-hooks
0votes
0answers

Android how to show ImageViews with animation at Always On Display?

I use the windowmanager with accessibility service context to draw images on top of the always on display (aod). It works great. But now i want to animate the ImageViews with a simple alpha-animation. It works only when screen is on. I know i need a 'draw' wakelock and i [...] read more
android
android-windowmanager
0votes
1answer

(MediaQuery.of() called with a context that does not contain a MediaQuery.) error

My flutter code is, this code is written via exporting Adobe XD file and adding with the default main.dartcode is generated through Adobe XD and putted to VS code with exporting. It is showing this error in debug console Please help with this code. import 'package:flutter/material.dart'; import 'package:flutter_svg/flutter_svg.dart'; import 'package:adobe_xd/blend_mask.dart'; [...] read more
flutter
dart
0votes
0answers

Transparent screenshot with Firefox selenium

IN SHORT I want to take a screenshot of an element without the background with selenium.webdriver.Firefox ACTUAL BEHAVIOUR Actual behaviour [https://i.stack.imgur.com/4nlxE.png] EXPECTED / DESIRED BEHAVIOUR enter image description here [https://i.stack.imgur.com/ZIkEd.png] MY CODE from selenium import webdriver from PIL import Image CSS_SELECTOR = ".RNNXgb" driver = webdriver.Firefox() driver.get("https://google.com") driver.find_element_by_css_selector(CSS_SELECTOR) image = [...] read more
python
python-3.x
selenium
selenium-firefoxdriver
0votes
0answers

ASM Extended on RISCV GCC Immediate issue

I'm trying to pass an immediate value (12bit size) containing the address of a CSR register into the csr instruction of riscv. Do you have any idea? int volatile stimulus[] = {0xabbaabba, 0xFFFFFFFF, 0xAAAAAAAA}; void test_csr0(){ int imm1 = stimulus[0]; int imm2 = stimulus[1]; int test = 0x300; asm volatile [...] read more
assembly
gcc
riscv
0votes
0answers

Flutter Android app crashing on launch saying “waiting on observatory port…”

I am using Flutter to create an app and I didn't test it on android before implementing many features (I have been using iOS simulator as my primary testing software). Now that I have started using the android simulator because I wanted to configure firebase for the android app as [...] read more
android
firebase
android-studio
flutter
0votes
0answers

No package ID ff found for ID 0xffffffff. at android.content.res.ResourcesImpl.getValueForDensity

I install android studio 4.0.0 and create blank template app. Then run got compile error. logcat shows error: 2020-07-23 13:09:40.213 2522-2522/? E/ndroid.systemu: No package ID ff found for ID 0xffffffff. 2020-07-23 13:09:40.215 2522-2522/? W/ImageView: Unable to find resource: -1 android.content.res.Resources$NotFoundException: Resource ID #0xffffffff at android.content.res.ResourcesImpl.getValueForDensity(ResourcesImpl.java:225) at android.content.res.Resources.getDrawableForDensity(Resources.java:901) at android.content.res.Resources.getDrawable(Resources.java:841) at [...] read more
android
android-studio
0votes
4answers

How to fix error “SQL Server (MSSQLSERVER) stopped automatically?

I am not able to login in my SQL server. I am getting this error message when I am trying to connect it. > A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance [...] read more
sql-server
sql-server-2014
0votes
0answers

Debugging an Android crash without a stack trace

This app instantiates a WebView on app launch without adding it to the UI tree. This is done for preloading purposes. When finally adding the WebView to the UI tree later on, the app crashes without a stack trace. At the time the WebView gets added to the UI tree, [...] read more
android
chromium
android-debug
0votes
0answers

why is 0xFFFFFFFF result different in Java and C?

so I have an integer that I want to get rid of negative I'm using signed int in c and int in java because they have the same range java : int y = -697451589; int test = ((y & 0xFFFFFFFF) >> 8 ) System.out.println(test); Results: 11111111110101100110110110111011 ( -2724421) In [...] read more
java
c
0votes
1answer

What is the difference between ThemeData(primaryColor: Colors.red) and providing one with ColorScheme.primary

I am new to Flutter and did not get the difference. What is the difference between providing a color through primaryColor like theme: ThemeData(primaryColor: Colors.red) AND colorScheme like theme: ThemeData(colorScheme: ThemeData().colorScheme.copyWith(primary: Color.red)) So assuming this, If I set both primaryColor and colorScheme.primary to different colors, What change in UI we [...] read more
flutter
0votes
2answers

How To Show Login Page if user has not logged in and Show Account Page if user is logged in

I created a Buttom navBar And Added 5 tabs. Here any user can come and Explore, and if he wants to create an account he can do it in the account section. When User presses The account page, If the user has not logged in before I want to show [...] read more
flutter
dart
flutter-layout
0votes
1answer

Broken CRC32 Combine

I have a problem with a certain CRC method when trying to combine CRC's. I have been using the combine CRC method and even adapted it a while ago to work with CRC16, etc. and I (hope?) understand how the filling of 0's work according to the answer here https://stackoverflow.com/a/23126768/5495036 [...] read more
zlib
checksum
crc
crc32
0votes
4answers

'flutter run' on android command stuck at : [Waiting for observatory port ...]

So I'm struggling with compatibilities problem for 4 days now, iOS run and build works perfectly fine but the android version is struggling. The thing is that when trying to "flutter run" on an android device with API 27,28 or 29 the compiler get stuck onto this line : [ [...] read more
android
flutter
dart
0votes
1answer

Flutter - Ontap InkWell doesn't work inside Stack

I start with flutter and I have a problem using onTap (). I used adobeXd to make my templates but It seems that I can't put GestureDetector and InkWell widgets. Transform.translate( offset: Offset(MediaQuery.of(context).size.width / 30, 132.0), child: Stack( children: <Widget>[ Transform.translate( offset: Offset(MediaQuery.of(context).size.width / 1.7, 1.0), child: InkWell( onTap: (){ [...] read more
flutter
0votes
0answers

Is it possible to get a segmentation error by accessing allocated, but uninitialized data in old regular c? I can't see how

Should be a straightforward question I think, but just in case context helps I'll add some info below: I was developing a module for someone else and the module crashed via a segmentation error that occurred during a pthread_mutex_unlock(lock); call. I do not implement pthreads in my code at all, [...] read more
c
pointers
struct
segmentation-fault
pthreads
0votes
1answer

java.lang.ClassNotFoundException: while accessing files from another package

I am compiling jitsi to add some changes to the project. I've implemented a few changes and the project is working fine till now. I have come to a point where I need files from this package to this one. I am trying to access VideoConfigurationPanel.java to ConfigurationFrame.java. It imports [...] read more
java
jitsi
0votes
1answer

USB: why USB devices the modules automatically loaded

I have am335x related customized board and kernel(4.4.16) source code I configure the FTDI module driver. so after kernel start successfully I attach ftdi converter to usb port and then type lsmod command to check module list Module Size Used by Not tainted cp210x 15164 0 usbserial 34545 1 cp210x [...] read more
linux-kernel
linux-device-driver
beagleboneblack
usbserial
ftdi
0votes
2answers

Is there a Intel SIMD comparison function that returns 0 or 1 instead of 0 or 0xFFFFFFFF?

I'm currently using the intel SIMD function: _mm_cmplt_ps( V1, V2 ). The function returns a vector containing the results of each component test. Based on if V1 components are less than V2 components, example: XMVECTOR Result; Result.x = (V1.x < V2.x) ? 0xFFFFFFFF : 0; Result.y = (V1.y < V2.y) [...] read more
intel
sse
simd
intrinsics
0votes
0answers

Samsung S5E - IconLoader: Could not find icon drawable from resource

I see this crash on Samsung S5E that I can't figure out: 2020-07-09 12:17:24.500 10755-10809/? E/PBSessionCacheImpl: sessionId[47302584348050393] not persisted. 2020-07-09 12:17:24.510 18417-18417/? E/ComponentHelper: getVersionCode:android.content.pm.PackageManager$NameNotFoundException: com.samsung.android.themestore 2020-07-09 12:17:24.543 18417-18437/? E/id.app.launche: No package ID ff found for ID 0xffffffff. 2020-07-09 12:17:24.543 18417-18437/? E/IconLoader: Could not find icon drawable from resource android.content.res.Resources$NotFoundException: Resource [...] read more
android
application-restart
0votes
0answers

xdma pcie driver issue

I am using xdma drivers from Xilinx. It returns with error 512, here is dmesg log: xdma:xdma_mod_init: Xilinx XDMA Reference Driver xdma v2019.2.51 xdma:xdma_mod_init: desc_blen_max: 0xfffffff/268435455, sgdma_timeout: 10 sec. xdma:xdma_threads_create: xdma_threads_create xdma:xdma_device_open: xdma device 0000:0b:00.0, 0x000000005e92819d. xdma:map_single_bar: BAR0 at 0xfce00000 mapped at 0x0000000055943a4f, length=65536(/65536) xdma:map_bars: config bar 0, pos 0. [...] read more
xilinx
pci-e
0votes
1answer

Flutter: ListView inside Column inside Column

You read the title right. I have a nested widget inside a column. The widget itself is another column. The nested widget has a ListView in it, set to expanded. For some reason, Flutter doesn't like that. And I've been scratching my head all day on how to solve this. [...] read more
listview
flutter
flutter-layout
0votes
0answers

Pdfium image was blur

My image was blur in the pdfium rendering. When i multiplied the width and height with 4 , the output image was good quality. I don't know the exact way to get a quality image in pdfium rendering. i used the code IntPtr createdpages = FPDFBitmap_CreateEx(width , height , 4, [...] read more
uwp
rendering
pdfium
0votes
0answers

Add TestAds Between ListView.Saparated

I am Working In a Small Project where I want to display ads between Listview in the 6th column. So, I made use of listview.separate but, All the ads are being shown after each Column. I am Using flutter_admob_admob package for displaying native ads. I want the OutPut as Following [...] read more
flutter
dart
flutter-layout
0votes
0answers

Enable wifi wlan adapter Ubuntu 20.04 LTS on Raspberry Pi 3 Model B

I have a Raspberry 3 Model B which has a BCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board and recently installed Ubuntu 20.04 LTS. Thanks in advance for looking and let me know if Ubuntu 20.04 on RPI3 does not support wifi at this time. I've read a [...] read more
raspberry-pi3
ubuntu-20.04
0votes
0answers

Physic memory cannot be wrriten after paging

In my toy kernel, I active paging and assigned a memory chunk to the variable, but it seems that the memory can not be written. The CPU can access the memory, and interrupt is active. No page fault and any error. The memory can be successfully read but any assignment [...] read more
c
operating-system
kernel
paging
0votes
0answers

Flutter Error: type 'List<dynamic>' is not a subtype of type 'Map<String, dynamic>'

I am currently building an app to fetch data from an API and I am trying to parse a JSON api from JSON Placeholder. import 'dart:convert'; List<CandidateProfile> candidateProfileFromJson(String str) => List<CandidateProfile>.from(json.decode(str).map((x) => CandidateProfile.fromJson(x))); String candidateProfileToJson(List<CandidateProfile> data) => json.encode(List<dynamic>.from(data.map((x) => x.toJson()))); class CandidateProfile { CandidateProfile({ this.id, this.firstName, this.lastName, this.username, this.email, this.password, [...] read more
android
api
flutter
dart
mobile
0votes
0answers

Tesseract OCR string manipulation issue

I am hoping someone can help me witch this issue I am new to using Tesseract OCR so please bear with me. I created a simple code which allows me to extract text from an image. This works fine Code Below : private void button1_Click(object sender, EventArgs e) { List<string> [...] read more
c#
string
tesseract
0votes
0answers

Firebase Dynamic Link doesn't load the right route in Flutter (Android)

I have a problem with Dynamic Links (Fireabase) to load the right route when clicking an url. 1. I setup a link Review /review in Firebase Dynamic Links 2. I added SHA 1 and SHA 256 codes to the Android App 3. The app starts well and it also tracks [...] read more
android
firebase
flutter
dynamic-linking
firebase-dynamic-links
0votes
1answer

How to precompile php opcache using command line?

I'm trying to warm up opcache via opcache.file_cache feature using console command. My opcache.ini: opcache.enable=true opcache.enable_cli=true opcache.memory_consumption=128 opcache.interned_strings_buffer=32 opcache.use_cwd=false opcache.max_file_size=0 opcache.max_accelerated_files=32531 opcache.validate_timestamps=false opcache.revalidate_freq=0 opcache.enable_file_override=true opcache.optimization_level='0xFFFFFFFF' opcache.file_update_protection=0 opcache.save_comments=false opcache.file_cache='/tmp/.opcache' opcache.file_cache_consistency_checks=false opcache.log_verbosity_level=0 before I start my php-fpm process I compile files by executing scrpt from clommand line: $getDirs = static function () [...] read more
php
caching
opcache
0votes
2answers

Query 100Gb of S3 data in milliseconds

I have json data in s3. data looks like { "act_timestamp": 1576480759864, "action": 26, "cmd_line": "\\??\\C:\\Windows\\system32\\conhost.exe 0xffffffff", "guid": "45af94911fb911ea827300270e098ff0", "md5": "d5669294f78a7d48c318ef22d5685ba7", "name": "conhost.exe", "path": "C:\\Windows\\System32\\conhost.exe", "pid": 1968, "sha2": "6bd1f5ab9250206ab3836529299055e272ecaa35a72cbd0230cb20ff1cc30902", "proc_id": "45af94901fb911ea827300270e098ff0", "proc_name": "gcxvdf.exe" } I have around 100GB of such jsons stored in s3, in folder structure like year/month/day/hour. I [...] read more
amazon-web-services
amazon-s3
amazon-redshift
amazon-athena
0votes
1answer

Is there a way to control the leading element behavior of NavigationRail in Flutter?

Flutter recently launched their v1.17 (latest stable release) and in that they have included a new widget "Navigation Rail". Though this widget is still in its early stages(and I'm expecting a bit more additional properties like padding for NavigationRailDestination) it gives a whole new perspective to orthodox navigation. So while [...] read more
flutter
flutter-layout
0votes
0answers

Problem with flutter build apk file on real phone

I'm new in Flutter and Android Studio. My problem - when i run my app in android studio - all works good. But, when i upload build apk file to firebase "app distribution", install on real phone and try to launch - it has crashed on start - without any [...] read more
android
android-studio
flutter
0votes
0answers

Why my CustomScrollView is not scrollable?

I am beginner in Flutter, I have 4 Listviews having some conditions to be visible on screen and I am adding those in a CustomScrollView in SilverLists but due to some reason my screen is not scrollable. Here is my code: Widget build(BuildContext context) { return Scaffold( key: _scaffoldKey, appBar: [...] read more
firebase
flutter
listview
0votes
0answers

Mapping of Bios in Memory at System Init

Assuming I have a Bios EPFROM file that is 512K and the first bytes are e.g. 0xff 0xff and all the other remaining bytes are 0x00. When the system starts it will map the ROM to the top of the 4GB 32bit limit. Does that mean when I query the [...] read more
x86
intel
qemu
bios
0votes
1answer

Pyodbc: Login timeout expired

I am trying to connect to MS SQL Server using pyodbc on local system and on connect to instance i get error: [2020-06-21 15:39:04.110750]: ('08001', '[08001] [Microsoft][ODBC Driver 13 for SQL Server]SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]. (-1) (SQLDriverConnect); [08001] [Microsoft][ODBC Driver 13 for SQL Server]Login timeout [...] read more
sql-server
python-3.x
pyodbc
0votes
1answer

Flutter apk-release shows black and grey screen

Well I developed an app with flutter, and it looks great and stuff.. Yesterday I built the apk file and it worked great (except another problem I had but it's probably fixed). I remember I changed the code a bit but it still works on my emulator perfectly. Now all [...] read more
flutter
apk
0votes
0answers

Set Fwmark for the packet from the application

I can set the mark for a packet in iptables mangle table by doingiptables -t mangle -I PREROUTING -s 10.0.0.1 -j MARK --set-xmark 0x10/0xffffffff This way I can mark the packets with source IP 10.0.0.1 only with 0x10, or any other random value. But I want to mark the packets [...] read more
ubuntu
go
networking
iptables
0votes
0answers

Arm7 Timer0 interrupt only works perfectly within the simulation

I am trying to get the OSEK-Alarm mechanism to run on an arm7 (lpc2292). When simulating my Demo application withing the uVision5 IDE everything works fine. But executing the code on the target plattform it seems like the Interrupt only occures once. Unfortunately I cant attach a serial interface to [...] read more
c
timer
interrupt
arm7
0votes
2answers

Can't connect to a postgres server

I have a strange situation, I have created a second postgres server that will eventually become a slave to my current master, anyway for testing purposes I have currently installed postgres, and testing connections from other hosts. In my postgresql.conf I have a nice an easy:listen_addresses = '*'# what IP [...] read more
postgresql
freebsd
0votes
1answer

ipnat.conf - map and rdr won't work!

I can't put my mind around it, before reboot I was able to ssh in from outside to my jail and right now I can't! I even rebuild the whole system and even that didn't help:( anyone have any ideas? su-3.2# cat /etc/ipnat.rules map fxp0 lama -> 0/32 rdr fxp0 [...] read more
freebsd
nat
0votes
1answer

"ip rule to" works but "ip rule fwmark" fails - why?

I have a CentOS 6 (kernel 2.6.32) router with working OpenVPN client on it, and I want to redirect some traffic via VPN server. Client (192.168.60.159) sends request to router (192.168.60.6:1443), and router redirects it via VPN connection (10.200.0.54) to server (185.61.149.21:443). I've created a specific routing table tunde and [...] read more
iptables
iproute2
0votes
2answers

RDP in 2008 R2 domain no longer working - possible Kerberos issue

Everything was working fine and no changes were made. For no apparent reason, we can no longer RDP to any domain computers except for the domain controllers themselves. This includes Windows 7 clients and non-controller 2008 R2 servers. After entering the password, we immediately get the following error message: "The [...] read more
windows-server-2008
remote-desktop
rdp
kerberos
0votes
0answers

Supplemental to Need to replace the HDD on a single disk system

This question is a follow on to my original. The situation is a host with a single HDD must be cloned to a larger HDD over the network. I ran a couple of tests of a clonezilla live remote transfer from a 500Gb HDD to a 1000Gb HDD. The second [...] read more
centos6
lvm
clonezilla
0votes
1answer

Using tc filter together with Snort

I need to add delay to packets after doing some modification using the SNORT inline module. However, I cannot seem to get the packets to match a filter using tc filter ... It always matches the default filter. The commands I am using are stated below: sudo tc qdisc del [...] read more
tc
snort
0votes
0answers

Samsung NVMe disappears when server on average to high load

Hello to the community! Let me get into the details of the problem itself. We have a total of 6 SuperMicro Servers in a cluster. The problem occurs only in 3 them, which are the newest generation. The same thing happened on all three nodes (different times, same day). I [...] read more
xen
glusterfs
supermicro
pci-express
nvme
0votes
2answers

How to configure IPsec (strongswan) interface, so that only assigned interface gets virtual ip?

I have already used this configuration a bunch of times and I haven't had this problem before. Basically I establish the tunnel connection, but after connecting (with swanctl --initiate --child ch_vti0 --ike ch_vti0) I get my virtual ip assigned on the appropriate interface vti0, but also I have the same [...] read more
networking
ipsec
strongswan
bug
0votes
1answer

HAProxy 1.5.4 Performance Tuning

I currently have HAProxy 1.5.4 setup using keepalived for HA on centos 7 using IPtables to create a transparent load balancer to load balance a number of cisco WSA proxy servers for internet filtering on an infrastructure of around 15,000 users running on vmware and cisco UCS with one GB [...] read more
haproxy
0votes
0answers

ipfw dummynet per ip fair traffic shaping

I want to shape traffic in such way, that no specific user could exhaust WAN connection that much so other users would be affected. I have ISP link with 100Mbits/s bandwidth and sometimes some users can exhaust it when they download something from internet or via vpn from smb in [...] read more
firewall
freebsd
ipfw
0votes
1answer

Nginx IP transparency reverse proxying but upstreams need to be able to initiate connections to Internet

I have a docker swarm consisting of an Nginx service that serves as a reverse proxy for a couple of other upstream services, web and mail. Both web and mail service need to connect to an external service via HTTPS in order to perform authentication. The mail service needs to [...] read more
linux
networking
nginx
iptables
docker
0votes
0answers

IPSec tunnel causes huge packets lost when pinging gateway and other machines

My Ubuntu machine is 10.0.0.15, my Windows machine is 10.0.0.10. My gateway, that routes the Internet traffic to the LAN is 10.0.0.1. When I ping the gateway from my Windows machine everything is fine - I get every single packet back. Same holds true, when I ping the Ubuntu machine [...] read more
networking
linux-networking
ipsec
ubuntu-18.04
icmp
0votes
1answer

IPVS traffic doesn't seem to go through netfilter on the director node

I have the following setup on a director node running keepalived: * native IP 10.65.5.72 * VIP 10.65.5.230 * keepalived DR mode enabled for port 80 and 443 I was debugging a problem where I couldn't access the IPVS service from the director node itself, and during that process noticed [...] read more
iptables
ipvs
0votes
0answers

Jboss EAP5 fails to start on Linux

I am trying to start JBoss EAP5 server on Linux CentOs machine. However, the process gets killed abruptly and I get nothing in the boot.logs. Please find the logs below: Server Library URL: file:/usr/share/jboss-5.1.0.GA/server/default/lib/ Server Log Dir: /usr/share/jboss-5.1.0.GA/server/default/log Server Native Dir: /usr/share/jboss-5.1.0.GA/server/default/tmp/native Server Temp Dir: /usr/share/jboss-5.1.0.GA/server/default/tmp Server Temp Deploy Dir: [...] read more
linux
jboss
0votes
0answers

Why can't I ping 127.0.0.1 from some network interfaces?

I'm on OS Sierra. This is (part of) what I get on ifconfig ... en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 98:01:a7:b4:91:63 inet6 fe80::4e:52ae:9fa8:2e6c%en0 prefixlen 64 secured scopeid 0x5 inet 192.168.1.33 netmask 0xffffff00 broadcast 192.168.1.255 nd6 options=201<PERFORMNUD,DAD> media: autoselect status: active ... utun1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1400 inet 10.161.136.55 --> 10.161.136.55 netmask 0xffffffff [...] read more
networking
netstat
ifconfig
0votes
1answer

RabbitMQ SSL connection works from an Ubuntu14.04 machine but not from a CentOS 6 machine

I have setup a rabbitmq ssl connection on my remote server as per the docs here: https://www.rabbitmq.com/ssl.html I am using java rabbitmqclient to connect to the remote server and sending a hello message to a queue on rabbitmq-server, the connection works fine from my local ubuntu 14.04 machine but does [...] read more
centos
ssl
java
openssl
rabbitmq
0votes
2answers

Run OpenVPN server on alias IP

I want to configure OpenVPN server that works on alias IP. I changed the client config to have alias IP as remote and added "local 188.xx.xx.55" in OpenVPN config which is our alias IP. Also set "netd_interface=188.xx.xx.55" which is again alias ip. When the VPN connects and I check my [...] read more
openvpn
ip-aliasing
0votes
1answer

RDS 2012 R2 some users are not able to logon after changed date and time on Connection Brokers

Due to a malconfigured NTP server of ntp.org, the date and time on all our servers and client was set to the date of tomorrow (1/1/2017 instead of 31/12/2016). We've manually changed the date back to the date of today on our Primary Domain Controller (PDC) and executed w32mt /resync [...] read more
windows-server-2012-r2
remote-desktop-services
0votes
1answer

How do I load balance outgoing connections with iptables and iproute2?

I have a server behind two public facing gateways INTERNET | | GW1 GW2 | | SERVER GW1's IP is 192.168.w.x, MAC aa:bb:cc:dd:ee:ff GW2's IP is 192.168.y.z, MAC ff:ee:dd:cc:bb:aa # note: w != y and I'm trying to load balance outgoing connections from the server. I've built upon pepoluan's solution [...] read more
iptables
load-balancing
iproute2
0votes
1answer

Two Azure VM clones have different processor

I have two Ubuntu 16.04 Azure VMs created from the same image, in the same region (WestEurope), configured to be the same size (Standard A1, 1 vcpus, 1.75 GB memory) and created at the same time (days of difference). Inspecting the CPU info they are completly different, one being a [...] read more
azure
0votes
1answer

Opcache not working properly

I got problem with Opcache. It's not working as I wish/desire.. This is my opcache configuration cat /etc/php/7.1/apache2/php.ini | grep opcache [opcache] opcache.enable = 1 opcache.enable_cli = 1 opcache.memory_consumption = 256 opcache.interned_strings_buffer = 16 opcache.max_accelerated_files = 8882 ;opcache.max_wasted_percentage=5 ;opcache.use_cwd=1 opcache.validate_timestamps = 0 opcache.revalidate_freq = 0 ;opcache.revalidate_path=0 ;opcache.save_comments=1 opcache.fast_shutdown = 1 [...] read more
apache-2.4
php7
opcache
0votes
1answer

Route ftp packets to one network interface, the rest to the other

I have an ubuntu 14.04 server with two NICs, each one connected to seldom routers, each with separated internet access. We want to redirect ftp ports traffic through the second interface, em1, and all the rest through the default interface p4p1. I have both interfaces up. I've followed the instructions [...] read more
iptables
routing
linux-networking
0votes
1answer

Windows Server 2012 R2 - Help finding failed logon attempts source

I'm seeking help for this issue that I'm having in our AD domain controller where a lot of security events are being logged due to failed logon attempts by a (former) domain user that has been disabled and subsequently deleted. I'm trying to pin-point the origin of these attempts but [...] read more
active-directory
windows-server-2012-r2
domain-controller
windows-authentication
eventviewer
0votes
2answers

Inconsistencies with Linux tc filter u32 matching on packet data payload - can someone explain?

I would just like some heads up on this as I really don't understand -why- this is the case. Further down is the TCPDUMP output (tcpdump -s0 -XXnni eth0 tcp port 80) of the 'HTTP' response a webserver gives when a normal GET request is made to it. What I [...] read more
linux
networking
filter
pcap
tc
0votes
0answers

Ubuntu Server 16.04 64bit had only 8Gb of RAM when 16GB are installed

I have one DIMM installed on a Lenovo x3550 M5 server. The OS is Ubuntu 16.04.2 64 bit uname -ra Linux hostname 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux free -hm gives: total used free shared buff/cache available Mem: 7.2G 238M 6.5G 20M 474M [...] read more
ubuntu
memory
0votes
1answer

Kerberos authentication ticket - Event ID 4768 - Audit failure

I am using kerberos to authenticate a user and its failing. Audit failure details in event viewer are following A Kerberos authentication ticket (TGT) was requested. Account Information: Account Name: HTTP Supplied Realm Name: TEST.COM User ID: NULL SID Service Information: Service Name: krbtgt/TEST.COM Service ID: NULL SID Network Information: [...] read more
windows-server-2008
active-directory
kerberos
0votes
2answers

4 TB external disk on Centos 5

I have an old server running CentOS 5(Kernel 2.6.18-92.el5). It is running a legacy application so I can't retire it yet. I had connected a 2 TB USB disk to it to take backups and the disk is almost full right now. I bought a new 4 TB disk but [...] read more
partition
centos5
fdisk
parted
0votes
1answer

OpenVPN block SMTP Access Server completely

I've tried almost all iptables rules to block smtp on openvpn server but still clients clients can access remote smtp servers on port 25. I'm using openvpn access server. It's creating two interfaces as0t0 and as0t1. All users assigned ips from 172.16.0.0/12. Please help me what rules can be written [...] read more
iptables
smtp
openvpn
0votes
1answer

Network configuration fault

I'm moving my router from Rpi with Rasbian to another pc device with ubuntu server 14. I have: - local network 10.0.0.0/16, with my router gateway 10.0.0.1 - lte usb device 192.168.8.1 in network 192.168.8.0/24 - lte usb device 192.168.10.1 in network 192.168.10.0/24 I have moved all network settings with [...] read more
linux
ubuntu
iptables
routing
0votes
1answer

Captive portal with iptables and local dns server

I'm trying to redirect all the browser's requests from my wifi interface wlan1 to a captive portal. I have a node web server running on my target on 10.4.30.34:4040. It has to redirect the browser directly to the web server, on the good port, like I entered "10.4.30.34:4040" in the [...] read more
iptables
dnsmasq
captive-portal
0votes
1answer

CentOS Development Server Crashing Frequently

I am running a development server on a fairly old version of CentOS 5. This server has been live almost constantly for the past five years ago, so has been pretty stable. A while ago, it crashed during normal operation. I restarted it and it crashed again after a few [...] read more
centos
centos5
server-crashes
0votes
1answer

unable to find driver - lamp debian

This is my php sample script: <?php try{ $db=new PDO('mysql:dbname=_mydb;host=localhost', 'root', 'xxxxxx'); }catch(PDOException $e) { echo "Error: ".$e->getMessage(); } ?> And I have returned: could not find driver Also: user@nbook:~$ php -i|grep PDO PDO PDO support => enabled PDO drivers => mysql PDO Driver for MySQL => enabled This is [...] read more
mysql
php
pdo
0votes
1answer

"No inittab file found" after reset

An old dedicated server (Debian with Raid1) wasn't responding today and now can't boot after manual reset. Last message is > No inittab file found. I still have access to filesystem via rescue system. Ran fsck and checked raid (both arrays are clean). Booting 'Debian GNU/Linux, kernel 2.6.26-2-amd64 Default' root [...] read more
debian
raid
boot
inittab
0votes
1answer

PBR with iptables

I know question was answered multiple times, but this situation a bit different. So here is what I have: * All users must user default gateway on eth0, except one * That one must only use gateway on eth1 and must not under any circumstances use eth0 Separately this things [...] read more
debian
iptables
routing
policy-routing
0votes
1answer

LAMP server kerberos config to authenticate against a read only Windows KDC in a dmz

Background: We have a number of AD networks (domains) that are connected through VPNs and have established AD trust relationships. We have an externally hosted web server and have configured seamless authentication for any user within the trusted network. This works but the presence of the VPN to an external [...] read more
apache-2.2
active-directory
kerberos
dmz
domain
0votes
1answer

iptables rules for lvs using piranha gui

I am trying to bulid an lvs system, where 202.141.81.239 is the virtual IP and 202.141.81.241 and 202.141.81.242 are the lvs routers.Ths system is working fine in our intranet but is not through internet. The following is my iptables configuration # Generated by iptables-save v1.4.7 on Tue Mar 25 12:30:26 [...] read more
redhat
lvs
piranha
0votes
0answers

iptables 1.4.12 invert and --u32

This line in a script: iptables -A jk2_ddos -m u32 ! --u32 "0x1c=0xffffffff" -j ACCEPT will result in this error: iptables v1.4.12: u32: option "--u32" cannot be inverted. This seems not to work in iptables 1.4.12. In older versions it worked. I need something that does the same. The problem [...] read more
linux
iptables
0votes
1answer

debugging smtp | ubuntu 12.04, postfix, dovecot

I cannot sucessfully connect to my smtp server from my mail client. I am getting the following errors in my /var/log/mail.log file Dec 21 15:08:04 pareto postfix/smtpd[11101]: SSL_accept:SSLv3 flush data Dec 21 15:08:04 pareto postfix/smtpd[11101]: read from B96D2180 [B96C1EB3] (5 bytes => -1 (0xFFFFFFFF)) Dec 21 15:08:04 pareto postfix/smtpd[11101]: read [...] read more
email
postfix
smtp
vps
dovecot
0votes
1answer

traffic shaping, prioritizing packets without using a bitrate ceil/max

I've written a script that shapes traffic into 3 pipes. The first pipe needs to be high priority and always be send first. This works perfectly now on 1 condition. I enter a correct ceil/max bitrate. This script is written to work an a device that will work with lots [...] read more
linux
networking
traffic-shaping
0votes
1answer

BAT file will not run from Task Scheduler but will from Command Line

I'm trying to run a BAT script from Task Scheduler in Windows 2008 R2 and it runs for 3 seconds and then stops. It says it successfully completes but I know it doesn't. I can run this script from the command line directly, and it runs just fine. The bat [...] read more
windows-server-2008-r2
task-scheduler
-1votes
2answers

How to make an arbitrary Microsoft FILETIME?

I would like to make an arbitrary Microsoft FILETIME. The algorithm is more important than the Microsoft programming language. For example if today is June 2 2016, I would like to calculate the FILETIME at midnight June 2016. Any help is greatly appreciated. [EDIT June 2 2016 5:09 P.M Here [...] read more
windows-7
date-time
algorithm
-1votes
1answer

problem in passing values between classes in flutter

I am still training on flutter so no full knowledge yet. Now I am trying to receive an array of data from a web server on the app in form of list I created the API and it worked the idea now is that I have a list of contacts [...] read more
android
flutter
-1votes
2answers

SingleChildScrollView doesn't scroll screen with ListView.builder

I'm trying to get it so that all of the items in ListView.builder can be displayed on the screen and seen by scrolling. However, I think because the ListView.builder is in a stack, it is not allowing the whole screen to scroll. I don't want the ListView.builder to scroll on [...] read more
flutter
dart
flutter-layout
-1votes
0answers

How to convert a unmanaged pointer, thats pointing to an array of COLORREFS, into a managed array of UInt32 in C#?

I'm trying to write a .dll and then call this .dll in C#. Now, I have the problem of how can I convert the unmanaged pointer, thats pointing to an array of COLORREFS, into a managed array of UInt32 in C#? Or is there a better approach? This is the [...] read more
c#
c++
arrays
-1votes
1answer

ArrayIndexOutOfBoundsException: Index 256 out of bounds for length 256 in java

I want output an array of integers in java which has a index 5120, but in java only up to 256 index , while in C index to 5120 there is output not 0, I tried changing the loop from <255 to <65536 but instead got an error like the [...] read more
java
c
-1votes
0answers

How to use another page using flutter_audio

I used this plugin flutter_audio.https://github.com/evrone/flutter_audio <-- from this link So i used this page code. https://github.com/evrone/flutter_audio/blob/master/example/lib/main.dart I want to record on the WritePoem page, and listen to the recording file on the other page. I want to save the recording file in the database of the firebase, but I don't [...] read more
firebase
file
flutter
audio
-1votes
0answers

Cannot start Excel Web Add-in with Visual Studio 2019 since update

currently i can not start a excel office web add-in with the debugger from Visual Studio 2019 since i updated it yesterday. There appears a error and the debugger stops immediately. This is independent of whether I use an existing project or a new one. In the output is only [...] read more
excel
ms-office
office-js
excel-web-addins
-1votes
1answer

Value assigned to 0xFFFFFFFF in One's Complement and Two's Complement

This is a short question and I just wanted to clarify something. What is the value assigned to 0xFFFFFFFF in One and Two's Complement? I thought that 0xFFFFFFFF is Two's Complement was -1. However when I used an online Two's Complement calculator, I got a value of 1. Also, I [...] read more
twos-complement
ones-complement
-1votes
1answer

apt-get: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.18' not found (required by /usr/lib/x86_64-linux-gnu/libstdc++.so.6)

I have this machine $ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 8 model name : AMD Opteron(tm) Processor 4171 HE stepping : 1 microcode : 0xffffffff cpu MHz : 2094.720 cache size : 512 KB physical id : 0 siblings : 1 [...] read more
ubuntu
apt-get
libc
dpkg
-1votes
1answer

How do I get a view reference row number to know where the user clicked on the texxtviews in Android

`public void refereshBill(boolean all) { int rowTemp = 0 ; if (all == false ) rowTemp = rowIndex ; for (int row = rowTemp ; row <= rowIndex ; row++) { for (int i = 0; i < MAX; i++) { TextView editText = new TextView(this); GridLayout.LayoutParams param = new [...] read more
android
textview
-2votes
1answer

Console bugging and bugged, evidently

It appears that a false file path has been installed on a home computer many of us use, that reroutes my emails from gmail, to an Entourage mail app that I do not use, and from my dock have no access to…. My question is, is this even possible, and [...] read more
macos
-2votes
0answers

How to Enroll a new Users to a BioLite Net Terminal using C#?

I have made this method based of the examples provided by Suprema. When i execute this code it gives me the error "Cannot enroll the user" and the returns error code -105. The handle = 1, deviceType = 2, _TemplateData = null and TEMPLATE_SIZE = 384 the are all variable [...] read more
c#
-3votes
0answers

Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled

I am trying to use the Ultrathin LED Matrix library on ESP32 using PlatformIO on Visual Studio Code: https://github.com/Seeed-Studio/Seeed_Arduino_UltrathinLEDMatrix The problem is that I am getting the Guru Meditation Error. Any idea how to resolve it? The Error that I get looks like this: Core 1 register dump: PC : [...] read more
c++
c
arduino
platformio
-4votes
1answer

is there any web crawler can get access to users region for download?

Actually I am using Httrack as a web crawler, can it use my credentials to access members area and download the zip files because they are restricted from public access. Thank you in advance. Update: After all the problem was with my IPV6 it must be disabled; with (Windows 8 [...] read more
web-crawler

Comments

Leave a comment

(plain text only)

Sources

  1. https://msdn.microsoft.com/en-us/library/cc231198.aspx

User contributions licensed under CC BY-SA 3.0