# Delete all evicted pods.
kubectl get po --all-namespaces --field-selector 'status.phase!=Running' -o yaml | kubectl delete -f -

# List all resources in a namespace.
kubectl api-resources --verbs=list --namespaced -o name | xargs -n 1 kubectl get --show-kind --ignore-not-found -n <namespace>

# Trigger cronjob manually.
kubectl create job --from=cronjob/<cronjob-name> <job-name>

# Run busybox.
kubectl run -i --tty busybox --image=busybox --restart=Never -- sh