The 7 main programming languages!
Open any Linux server and you will find five different languages running at the same time, unaware of each other. The kernel is C. docker and kubectl are Go. The help desk dashboard is PHP — or Perl, … Read more
DevOps
Python from Beginner to Professional
Learning Python from beginner to professional on Linux starts in the terminal — not in a playlist from 2017. In September 2026, the stable series is 3.14 (3.14.7 on August 5); 3.15 is already a release candidate. The list … Read more
Git made simple and fast
A short cheatsheet: install, configure, clone, commit, push. No object theory. If you have never used Git, these commands cover 90% of cases. Install on Debian/Ubuntu and derivatives: sudo apt update sudo apt install git git –version In 2026 … Read more
Automating environments with Puppet #1
Puppet describes the machine’s desired state — a package installed, a service running, a file with specific contents — and the agent turns the difference into action. You do not write “how to install nginx on this distribution”; you specify that nginx … Read more