Nodes

Nodes – Kubernetes runs your workload by placing containers into Pods to run on Nodes. A node may be a virtual or physical machine, depending on the cluster. Each node is managed by the control plane and contains the services necessary to run Pods.

1. Update the taints on one or more nodes.

kubectl taint node <node_name>

1. List one or more nodes.

kubectl get node

1. Delete a node or multiple nodes.

kubectl delete node <node_name>

1. Display Resource usage (CPU/Memory/Storage) for nodes.

kubectl top node <node_name>

1. Pods running on a node.

kubectl get pods -o wide | grep <node_name>

1. Annotate a node.

kubectl annotate node <node_name>

1. Mark a node as unschedulable.

kubectl cordon node <node_name>

1. Mark node as schedulable.

kubectl uncordon node <node_name>

1. Drain a node in preparation for maintenance.

kubectl drain node <node_name>

1. Add or update the labels of one or more nodes.

kubectl label node