The stabilization hotfix is staged, but deploy.service cannot be restarted to ship it.
Stage 4 of 5 in Linux Outage Ladder.
Every attempt.
The fastest-looking option in the channel is to add deploy to the sudo group until morning.
Inspired by a real outage: Sudoers cleanup removes a scoped service rule (FixOps composite of public postmortem patterns). Names and details are fictionalized.
The fix is yours to find: hints, the recovery checks and the debrief unlock inside the incident.
The alert fires and the clock starts. Read the page and the briefing.
Work in a simulated shell with realistic output: logs, configs, services.
Change the system the way you would in production. Hints are there if you get stuck.
Automated checks verify the recovery, then the debrief explains what happened.
Free, instant, and it works on your phone. No signup: start as a guest and save your progress later.