Cordon a node kubectl
Mark node as unschedulable — no new pods land here
kubectl cordon <node>
more kubectl
all 73 commands →
Drain a node
kubectl drain <node> --ignore-daemonsets --delete-emptydir-data
Edit a live resource
kubectl edit deployment/<name> -n <ns>
Verify RBAC permissions
kubectl auth can-i list pods --as=system:serviceaccount:<ns>:<sa> -n <ns>
Get resource with custom columns
kubectl get pods -n <ns> -o custom-columns='NAME:.metadata.name,NODE:.spec.nodeName,STATUS:.status.phase'
Patch resource field
kubectl patch deployment <name> -n <ns> -p '{"spec":{"replicas":2}}'