DevOps Engineer
Kubernetes questions
30 questions on Kubernetes for devops engineers, easiest first.
Easy 6
Medium 12
- Readiness vs liveness probesmedium
- Kubernetes Service typesmedium
- CPU vs memory limitsmedium
- ImagePullBackOff from a private registrymedium
- Pod stuck Pending on CPUmedium
- Exit code 137medium
- HPA shows unknown targetsmedium
- NetworkPolicy has no effectmedium
- Node drain hangs forevermedium
- Argo CD app always OutOfSyncmedium
- Running containers as non-rootmedium
- Cloud access from Podsmedium
Hard 12
- Container ignores SIGTERMhard
- Rolling update that never finisheshard
- Hotfix keeps disappearinghard
- Errors during every rollouthard
- Throttled at 30 percent CPUhard
- Slow external DNS in Podshard
- StatefulSet Pod pending after node replacementhard
- Java Pod OOMKilled with free heaphard
- Only deploy images built by CIhard
- Policy webhook takes down deployshard
- Running workloads on spothard
- All replicas landed in one zonehard