The Accidental CTO

Interactive Labs - Learn System Design by Doing

Lab 1: The 3AM Crash

Your server just crashed at 3 AM. Learn to diagnose and fix the immediate issue, then implement a long-term architectural solution.

Quick Commands:
$ htop
$ systemctl status app
$ journalctl -u app
$ systemctl restart app
Start Lab →

Lab 2: Coming Soon

More interactive labs coming soon. Learn about load balancing, caching, microservices, and more.

Coming Soon