Exec command in all pods

Run a command in every pod matching a label selector

kubectl get pods -n <ns> -l app=<label> -o name | xargs -I{} kubectl exec {} -n <ns> -- <cmd>

More kubectl commands

Watch pod status changes

kubectl get pods -n <ns> -w

Live-refresh pod list as statuses change
Top pods by CPU

kubectl top pods -A --sort-by=cpu

CPU-sorted pod usage across all namespaces
Create ServiceAccount token

kubectl create token <sa-name> -n <ns> --duration=1h

Generate a short-lived bound service account token
Check who can do what (audit)

kubectl auth can-i --list -n <ns>

Show all permissions the current user has in a namespace
Delete all pods in namespace

kubectl delete pods --all -n <ns>

Force recreation of all pods — useful after ConfigMap changes