Case

Kubernetes: ImagePullBackOff

The cluster cannot pull the image. Events and registry access are checked to restore deployments.

GitHub Project All Cases

ProblemPods fail because the image cannot be pulled (wrong tag or missing auth).
SolutionValidate image/tag exists and configure imagePullSecrets if registry is private, then redeploy.
Toolskubectl describe/events · registry credentials · imagePullSecrets
OutcomeSuccessful image pull, pods start normally.

kubectl get pods -n <ns>

kubectl describe pod <pod> -n <ns>

kubectl logs <pod> -n <ns> --previous

kubectl get events -n <ns> --sort-by=.lastTimestamp | tail

systemctl status <service> --no-pager

journalctl -u <service> -n 200 --no-pager