Learn Linux by fixing real machines.

Every player gets their own disposable Linux server in the browser. Break it, fix it, find the flags.

student@linuxgame:~$ sudo journalctl -u webapp -n 3
FATAL config.json line 7: trailing comma
student@linuxgame:~$ sudo systemctl restart webapp
student@linuxgame:~$ curl -s localhost:8080/health
{"status":"ok"}  # level cleared ✔

• Shell basics, text processing, permissions
• Crypto, hashes, steganography, forensics
• Crashed services, full disks, incidents