Ebook: Introducing LFCS Certification Preparation eBook
New Update: We have published the full LFCS Certification Course (34 chapters) at our premium membership site. For years, certifications
Boost Your Career with RHCSA & RHCE Certification eBooks
New Update: We have published the full RHCSA & RHCE Certification courses at our premium membership site. If you’re looking
How to Install Microsoft Teams, Slack, and Discord on Linux Desktop
Gone are the days when Skype was the go-to VoIP tool for every chat, call, or meeting. While Skype once
7 Best Skype Alternatives for Linux in 2025
There’s no doubt that Skype was once one of the most popular instant messaging and video calling applications out there.
How to Fix “404 Not Found” Errors in Debian During apt-get upgrade
The “404 Not Found” error during upgrade occurs when your system attempts to download packages from repository sources that no
How to Use dpkg, apt, aptitude, synaptic, and tasksel in Debian
Debian offers several tools for managing software packages, each serving a specific purpose in the package management ecosystem, and understanding
How to Setup WireGuard VPN Server with WireGuard-UI on Ubuntu
When you connect to a coffee shop’s WiFi or access the internet from any public network, your data travels through
How to Install and Use PostgreSQL 18 on Ubuntu 24.04 LTS
PostgreSQL (Postgres in short) is an open source, powerful, advanced, high-performance, and stable relational-document database system, which extends the SQL
ytDownloader – Simple Linux GUI for YouTube Video Downloads
Earlier, I wrote about yt-dlp, the powerful command-line tool for downloading videos from hundreds of websites, which is an incredible
6 Best Modern Linux ‘init’ Systems (1992-2025)
In Linux and other Unix-like operating systems, the init (initialization) process is the first process executed by the kernel at
10 Essential Linux Commands for Data Scientists
If you’re just starting your journey into data science, you might think it’s all about Python libraries, Jupyter notebooks, and
A Brief Introduction to Makefiles and GNU Make for Beginners
GNU Make is a development utility that determines which parts of a particular code base need to be recompiled and
10 MySQL Interview Questions Every DBA Must Know
In our previous articles, we’ve covered MySQL interview questions for beginners and intermediate users, and the response has been overwhelming.
Top 5 Linux Programs for Students in 2025
Linux is an open-source operating system whose use is increasing these days as a result of its stability, security, flexibility,