Pod stuck in Pending or FailedScheduling? See why (CPU/memory shortage, node selectors, taints, PVC) and fix with exact commands.
Browsing: troubleshooting
ImagePullBackOff means Kubernetes cannot pull your container image. See why (wrong tag, private registry, rate limit) and fix it with exact commands.
OOMKilled (exit code 137) means your pod ran out of memory. Learn to diagnose with kubectl top, set correct limits, and understand QoS classes.
Docker socket permission denied error. See why (user not in docker group, rootless mode, WSL2) and fix with exact commands and security notes.
Docker ‘exec format error’ means the binary cannot run. Learn why (wrong architecture, shebang, CRLF, permissions) and fix with exact commands.
CrashLoopBackOff means your pod keeps crashing. See 7 common causes and exact commands to diagnose and fix each one.