K8s Internals Interactive Deep Dive

Troubleshooting Decision Trees

Search common issues or use AI to diagnose your problem.

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Showing 7 of 7 scenarios
scheduling
Symptom

kubectl get pods shows Pending for minutes

runtime
Symptom

Container starts then immediately dies

runtime
Symptom

Pod stuck in ImagePullBackOff or ErrImagePull

storage
Symptom

PVC stuck in Pending or Pod cannot mount volume

resources
Symptom

Pod creation fails with "exceeded quota" error

networking
Symptom

curl to ClusterIP times out

networking
Symptom

nslookup kubernetes.default fails from pod

Quick Commands

kubectl get pods -A -o wide

All pods across namespaces

kubectl describe pod <name>

Pod events & details

kubectl logs <pod> --previous

Previous crash logs

kubectl get events --sort-by=.metadata.creationTimestamp

Recent cluster events

kubectl top pods

Pod resource usage

kubectl get nodes -o wide

Node status & info