Pager/How to play
HOW TO PLAY

Learn the basics.

A quick guide to your first challenge.

Try the guided tutorial

Available services: checkout, gateway, api, database, worker. Repair actions depend on the challenge you choose.

statusHealth across all services
logs checkoutRecent service logs
deploysRecent deployments and changes
journalctl -u checkoutService journal
df -h / free -h / topDisk, memory, and process activity
ss -tulpn / ip routeListening ports and network routes
cat /proc/4242/limitsRunning process limits
tail -n 20 /var/log/checkout.logRecent log lines
help linuxLinux commands and pipe examples
sleep 5mAdvance the incident clock by five minutes
inspect checkoutConfiguration and dependencies
nano .github/workflows/deploy.ymlEdit a file, then write it with Ctrl+O and exit with Ctrl+X
echo text > notes.txt / cat notes.txtWrite and read files in your current directory
cp / mv / mkdir / rm / chmodManage files, directories, and permissions
help filesystemFile commands, redirection, pipes, and supported shell syntax
probe checkoutCheck the recovered customer path before verification
verifyCheck recovery and close the incident
hint / help / clearShow a clue, available commands, or clear output