Troubleshooting
22 practice items · needed by 3 roles
Easy 4Medium 15Hard 3
Practice questions
- Logs from a crashed containereasy
- 502 vs 504 errorseasy
- ImagePullBackOff from a private registrymedium
- Exit code 137medium
- Helm says another operation is in progressmedium
- df says full, du says notmedium
- Java Pod OOMKilled with free heaphard
- App fails every hour on DB authhard
- AccessDenied from a VPC endpoint policymedium
- Intermittent 502s behind an ALBmedium
- Logs from a crashed containermedium
- Pod stuck Pending: Insufficient cpumedium
- Container exit code 137 OOMKilledmedium
- Lambda in a VPC cannot reach an APImedium
- Reading VPC Flow Logs for a NACL issuemedium
- App writes to old primary after failoverhard
- CrashLoopBackOffeasy
- Logs from the crashed containereasy
- No space left, but disk is not fullmedium
- Deleted the log, space not freedmedium
- Reading vmstat outputmedium
- Timeouts with a healthy databasemedium