Your guided path from whoami to sysadmin.
Eight hands-on phases of Linux system administration. Check off tasks, clear the exit gates, jot reflections β everything saves right in your browser. Break things safely and level up.
Run this loop on every single phase. It's the difference between reading about Linux and knowing it.
Spin it up in a VM (VirtualBox, UTM, or a cheap cloud droplet). LTS means 5 years of support and rock-solid docs. Take a snapshot before every experiment so you can break things fearlessly and roll back in seconds.
# after first boot sudo apt update && sudo apt upgrade -y sudo apt install -y htop tree ufw fail2ban # then: snapshot this VM as 'clean-base' whoami # you, the future sysadmin
Lost? Point yourself in one of four directions. Nine times out of ten the answer is here.
journalctl -xesystemctl status <svc>ls -l β’ idss -tulpn β’ pingThe questions everyone's too shy to ask.