kubectl debug

kubectl debug (k8s.io, since v1.18, March 2020)

kubectl debug -it <pod-name> --image=busybox --target=<target-container> 
kubectl debug -it <pod-name> --image=busybox --target=<target-container> -- sh --user root

• https://kubernetes.io/docs/tasks/debug/debug-application/debug-running-pod/#ephemeral-container-example

 kubectl debug -it ephemeral-demo --image=busybox --target=ephemeral-demo

 kubectl debug -it ephemeral-demo --image=ubuntu --target=ephemeral-demo

Activities

• Kubernetes debugging with an ephemeral debug container: kubectl debug

Related

• Telepresence
• Lens
• kubectl run
• kubectl diff

See also

• kubectl debug
• K8s troubleshooting: kubectl logs, kubectl top, kubectl get events -A, kubectl describe pod, Liveness, Readiness, Kubernetes events, Pulling image, OOMKilled, ProbeWarning, Reason, FailedScheduling, errImagePull, ImagePullBackOff, Kubelet conditions: MemoryPressure, DiskPressure, KubeletHasSufficientPID, KubeletReady, kubectl [ debug | attach | exec ] kubectl cluster-info dump, SimKube, KWOK, CrashLoopBackOff