CompTIA Linux+ is the all-in-one certification in the Linux world: a single vendor-neutral exam covering modern administration — from the traditional terminal to containers, Git, and automation. For anyone who already holds other CompTIA certifications (A+, Network+, Security+) or wants one credential instead of a series of exams, it is a natural choice. … Read more
LFCS (Linux Foundation Certified System Administrator) is the certification for people who prefer to prove their skills in practice: no multiple-choice questions — you receive a terminal and a list of real administration tasks to solve against the clock. It is maintained by the Linux Foundation itself, home of the kernel. This post is part of our series … Read more
Prepare for RHCSA on RHEL 10: official resources, a study plan, a reboot-tested lab, SELinux, firewall, and practical EX200 study tips.
Prepare for LPIC-1 with official objectives, a study plan, and exercises covering the terminal, permissions, links, backup, scripts, and packages.
If you have always wanted to switch to Linux — or already use it and want to stop relying on a tutorial for every task — this post is a direct invitation: Gabriel da Silveira Costa, creator of the Toca do Tux channel, offers the Udemy course “Linux: From Migration to Operating System Administration,” with enrollment … Read more
Video summary: this article is a detailed summary of “How Linux Took Over the World: 35 Years in 35 Facts” from Jono Bacon, former Ubuntu community leader at Canonical. Video URL: https://www.youtube.com/watch?v=Ffl2DFHoZdY On August 25, 1991, a 21-year-old Finnish student wrote a sentence that Jono Bacon … Read more
Video summary: this article is a detailed, in-depth summary of “Linux 7.3 Review: AI Chaos, MASSIVE Performance, GPU, CPU, and Rust Upgrades” from SavvyNik, combined with Linus Torvalds’s official announcement closing the merge window. Video URL: https://www.youtube.com/watch?v=tQ5adDeOGb0 The Linux 7.3 kernel merge window … Read more
Every video you watched today — on YouTube, WhatsApp, or streaming TV — almost certainly passed through FFmpeg somewhere along the way. It is probably the most widely used and least-known software on the planet: an audio and video toolkit that became invisible internet infrastructure. This is its history … Read more
Anyone who has built an email server with Postfix + Dovecot knows the ritual: the classic PHP PostfixAdmin, a web server configured just for it, and an interface frozen in time. go-postfixadmin is my modern answer: a single Go binary with the entire Vue 3 frontend embedded — a dashboard … Read more
Distributing software for Debian, Ubuntu, Mint, and derivatives without a .deb means leaving the job half done: no dependency management, clean updates, or removal without leftovers. The good news: creating a decent .deb package is easier than its reputation suggests. In this complete guide, you will go from a handcrafted package with dpkg-deb to a package … Read more
