kubectl get nodes
kubectl get pods
kubectl get service
kubectl delete Deployment/helloweb
kubectl describe pods
kubectl create secret docker-registry gcr-access-token \
--docker-server=eu.gcr.io \
--docker-username=oauth2accesstoken \
--docker-password="$(gcloud auth print-access-token)" \
--docker-email=any@valid.email
kubectl get serviceaccount default -o yaml

docker rmi `docker images -q`
docker rmi -f `docker images -q`
docker images -q