k get pods # READY, STATUS, RESTARTS
k describe pod $POD # Events
k logs $POD
k exec -it nginx -- /bin/sh # ps aux ; netstat ; ...
k debug -it $POD --image=busybox \ # See Ephemeral Containers
--target $CONTAINER # in k describe $POD.
k debug -it $POD --image=alpine \
--share-processes --copy-to=$POD-debug # now install your stuff