How to properly install OpenCV on Ubuntu?
I'm trying to install OpenCV 2.2.0 on Ubuntu 12.04, but I'm getting this error:torul@torul-HP-Compaq-8200-Elite-CMT-PC:~/OpenCV-2.2.0/opencv.build$ make make[2]: ***...
View ArticlePostgreSQL Connection refused after PHP version upgrade (Ubuntu Plesk) [closed]
I encountered a problem on a Linux Ubuntu server running Plesk 18.0.60 while upgrading the PHP version.The server runs a PostgreSQL 14 server (ONLY version 14 and ONLY one server) and had installed PHP...
View Articleos::commit_memory failed; error=Not enough space (errno=12)
I have a spring boot application running on ubuntu 20 ec2 machine where I am creating around 200000 threads to write data into kafka. However it is failing repeatedly with the following...
View ArticleVirtual Box UUID {07c3.........} does not match the value {2c1b...} stored in...
I had to delete my virtual box .vhd files.I'm now trying to restore them from another machine but getting:Virtual Box UUID {07c3.........} does not match the value {2c1b...} stored in the media...
View ArticleFastest way to Transfer large amounts of Data from one remote server to another?
I have a remote server running with 500+gbs of data and i want to shift to a new remote server, what's the fastest way to transfer the data across them? Both are running ubuntu 20.04 and 22.04 LTS...
View ArticleChecking for services that may need to be restarted - Kali Linux WSL [closed]
I installed Kali Linux via WSL on windows 11, once installed I did sudo apt update && sudo apt upgrade but that's all I get in a loop which blocks absolutely everything...$ sudo apt update...
View Articledotnet sdk is installed but not recognized - Linux Ubuntu/popOS 22.04
I had the dotnet sdk working just fine yesterday, today when I login to my PC, I update the system and VSCode and then when I tried running dotnet watch run, I got this error: * You intended to execute...
View ArticleRhythmbox not responding when start it
enter image description here(rhythmbox:21692): Gtk-WARNING **: 16:12:38.700: actionhelper: action app.play-repeat can't be activated due to parameter type mismatch (parameter type b, target type...
View ArticleNo module named django but it is installed
I have two versions of python 2.7 and 3.4 and installed django through pip. it shows in ubuntu terminal:$ pip freezeDjango==1.6.11$ pip --versionpip 1.5.4 from /usr/lib/python2.7/dist-packages (python...
View ArticleDynamic DNS on Portmap.io configuration
duckdns.org pointing to Tun0 address provided by openvpn configurated by portmap.io in TCP for port 80 (my PC) and 53466 port of portmap.io.Apache and Ubuntu is the PC. If i write domain.duckdns.org on...
View ArticleInstalling SUPERSET problem (with Celery)
I've been trying to download superset (I have docker desktop which was downloaded for windows but I do have Ubuntu).So I go into Ubuntu, I execute the git command: git clone...
View ArticleChange default realm in Kerberos on WSL
How to change default realm in Kerberos (client: krb5-user)? I am using Ubuntu as Windows Subsystem for Linux (WSL). On installing Kerberos (using command: $sudo apt-get install krb5-user) the default...
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cv.namedWindow title is not shown correctly(shows garbage)
import cv2 as cv img_c = cv.imread('candy.jpg', cv.IMREAD_COLOR)cv.namedWindow('Image', cv.WINDOW_NORMAL)cv.resizeWindow('Image', (600, 300))cv.imshow('Image', img_c)cv.setWindowTitle('Image', 'MyCandy...
View Articleauto Start pgagent Service on Ubuntu Docker Container
I have a Postgres Docker container and have installed systemd, pgagent, and created pgagent.sh and pgagent.conf using the following example:...
View ArticleSSH Password Authentication Error on Ubuntu 22.04 [closed]
I am not able to connect to an EC2 instance through SSH using password authentication.I have created a user called demo117 using the command "useradd demo117" on ubuntu 22.04. I also created a password...
View ArticleHow to unzip a .vw.gz file in linux?
How can I unzip a .vw.gz file in Linux? tar -xvf filenamethrows errors.
View ArticleUbuntu 22.04 LTS (Jammy Jellyfish): MikTek- /usr/bin/miktex did not succeed;...
I tried to execute the following command:texify --pdf --synctex=1 --clean file.texI got the followingThis is pdfTeX, Version 3.141592653-2.6-1.40.26 (MiKTeX 24.4) (preloaded format=pdflatex.fmt)...
View Articlesetting up phpLiteAdmin in WSL - ubuntu VS Code on Windows 11
I am working on replicating the online development environment of CS50 (GitHub Codespace) on my local Windows 11 machine.I have installed "wsl" and "ubuntu" and I can run the ubuntu/bash/wsl...
View ArticleUnable to install gem - Failed to build gem native extension - cannot load...
Ruby 1.9.3The part of Gemfile#...............gem "pony"gem "bcrypt-ruby", :require => "bcrypt"gem "nokogiri"#..................When I'm trying to install gems, I get an erroralex@ubuntu:~/$...
View ArticleHow can I fix "unsupported class file major version 60" in IntelliJ IDEA?
I have a Gradle project in Ubuntu. It's written in Java 14. I have the Java 14 JDK installed. When I build it from the command line, everything works, but no one wants to use a command line! When I...
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