kubernetes
TLS certificate or cert-manager failure
certificate.*not found|tls.*secret.*not found|cert-manager.*Failed
Fixes
- 1.Check Certificate resource status: kubectl describe certificate name
- 2.Verify cert-manager is running and ClusterIssuer is configured
- 3.Check DNS records point to the correct IP for HTTP-01 validation
- 4.Inspect cert-manager logs: kubectl logs -n cert-manager deploy/cert-manager
tlscert-managercertificates
Related Errors
kubernetes4 fixes
Pod in CrashLoopBackOff state
CrashLoopBackOff
- •Check pod logs: kubectl logs pod-name --previous
- •Verify the container entrypoint/command is correct
kubernetes4 fixes
Cannot pull container image
ImagePullBackOff|ErrImagePull
- •Verify the image name and tag exist in the registry
- •Check imagePullSecrets is configured for private registries
kubernetes4 fixes
Container killed due to out-of-memory
OOMKilled
- •Increase memory limits in the pod spec: resources.limits.memory
- •Profile the application to find memory leaks