LVL 0/16
00:00
๐Ÿ”ฅ x2
SCORE: 0

Fix the Ship

// prod is down ยท linux โ†’ docker ยท fix it //

โš  INCIDENT โ€” P0 โ€” ACTIVE
03:12 CRIT  deployment pipeline failed โ€” unknown command
03:13 CRIT  apt-get hanging on CI server โ€” 20 mins stuck
03:14 CRIT  container won't start โ€” file not found
03:15 WARN  permission denied on SSH key
03:16 WARN  disk 100% โ€” build agent dying
03:17 INFO  you just got paged
03:17 INFO  16 problems. fix them all.
CHAPTER 1
Linux Survival
pwd ยท ls ยท cd ยท cat ยท tail ยท grep
CHAPTER 2
Power & Packages
sudo ยท apt-get ยท chmod ยท curl ยท kill
CHAPTER 3
Shell Mastery
pipes ยท redirect ยท env vars ยท df ยท systemctl
CHAPTER 4
Containers
docker run ยท docker logs ยท Dockerfile ยท Compose
LVL 1/16
LINUX
-50 pts
pwd
terminal

INCIDENT RESOLVED

0
RANK: INTERN