Fix: Kubernetes CrashLoopBackOff
Run `kubectl logs <pod> --previous` to see the last crash output
A pod in CrashLoopBackOff is failing on startup and being restarted by the kubelet. The most common causes are OOMKilled, a bad command/args, or a missing config/secret.
Frequently Asked Questions
What causes Kubernetes CrashLoopBackOff?
A pod in CrashLoopBackOff is failing on startup and being restarted by the kubelet. The most common causes are OOMKilled, a bad command/args, or a missing config/secret.
How to fix Kubernetes CrashLoopBackOff?
Check container logs for the failure reason (`kubectl logs <pod> --previous`), validate recent config changes, and confirm memory limits are sufficient before restarting the pod.
Example fix from Kintify Fix
Input: Kubernetes pod stuck in CrashLoopBackOff after config update
Output: Check container logs for the failure reason (`kubectl logs <pod> --previous`), validate recent config changes, and confirm memory limits are sufficient before restarting the pod.
Used by developers debugging real production systems