How to remove a node in k8s?
You can remove a node from a Kubernetes cluster by following these steps:
- Ensure that you have administrator privileges or appropriate permissions to perform this operation.
- Log into the Kubernetes cluster on your management node.
- List the current nodes with the kubectl command.
- Retrieve information about the nodes using the kubectl command.
- Select the node to be deleted and use the kubectl command to mark the node as unschedulable.
- Mark the
as unschedulable. - Make sure that no Pods are running on this node. You can use the following command to list the Pods running on this node:
- Show me all pods in all namespaces with additional wide output for each pod that is running on a specific node.
- If there are still Pods running on this node, please move or delete them.
- Remove the node from the Kubernetes cluster.
- Remove the node with the specific name using kubectl.
- Confirm that the node has been deleted.
- Show me a list of all nodes.
Please be aware that deleting a node will result in the loss of all containers and data on that node. Before proceeding with this action, make sure you have backed up any important data.