Linux Articles, Tutorials & Guides - TecMint

Upgrade Ubuntu 24.04 to Ubuntu 26.04 LTS

Ubuntu 26.04 LTS “Resolute Raccoon” shipped on April 23, 2026, and if you’re still on 24.04, this article walks you

A self-signed SSL certificate lets you run Apache over HTTPS on Ubuntu 26.04 without buying a certificate from a Certificate

A collection of practical Linux command line tricks: create a terminal chat server with nc, sum column values on the

C is one of the most important programming languages and the base for many modern technologies. It is used to

ps aux shows you what is running on your system, but witr goes a step further and tells you why

If you’re building a CMS, a documentation portal, or any web app where users type formatted content, picking the right

You’ve got a server refusing to start because something’s already sitting on port 8080, and you need to find what’s

MySQL ships with decent built-in diagnostics, but when your database is slowing down under load, you need command-line tools that

df says your disk is 80% full, but du says you’re barely using half, so one of them is lying,

You’ve been copying files with cp for years, and if you’re moving a 50GB backup or syncing a directory tree

Editor’s Note: None of the Linux distributions on this list have implemented age verification as of this writing, despite ongoing

You need a 1GB test file to benchmark your disk, fill a partition to a specific threshold, or simulate a