kubernetes
Cannot connect to Kubernetes API server
connection refused.*:6443|Unable to connect to the server
Fixes
- 1.Check if the cluster is running: systemctl status kubelet
- 2.Verify kubeconfig points to correct server: kubectl config view
- 3.Check if VPN is required to reach the cluster
- 4.Renew certificates if expired: kubeadm certs renew all
api-serverconnectivity
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