Boss levels
Multi-step challenges for learners who have finished the regular catalogue. Each boss is a scenario: read what is wrong, plan your moves, and type the right commands. You can use the in-browser terminal below each step.
intermediate
Recover the server
A service config got clobbered. Restore the right file contents, fix permissions, and confirm the service can start.
4 stepsStart →
intermediate
Organize the mess
A flat folder of log files needs to be sorted into `archive/` and `errors/`. Use the tools you know.
4 stepsStart →