Linux Overview

Linux remains the main platform for servers, containers, CI runners, and most production systems.

Key Areas

• shell and pipes
• systemd and journald
• users, groups, sudo
• packages
• filesystems
• network stack

Core Toolkit

ip a
ss -tulpn
systemctl status
journalctl -xe
ps aux
top
df -h
free -h

Continue in the Wiki

• Linux Basics
• systemd
• SSH