# Pastebin DRmI81aV + kubectl patch node k8s-magnum-k8s-jzijtbd74i26-master-0 --patch '{"metadata": {"labels": {"node-role.kubernetes.io/master": ""}}}' error: no configuration has been provided, try setting KUBERNETES_MASTER environment variable Trying to label master node with node-role.kubernetes.io/master="" + echo 'Trying to label master node with node-role.kubernetes.io/master=""' + sleep 5s ++ curl --silent http://127.0.0.1:8080/healthz