Mastering Node Selection In Kubernetes With Nodeselector, Nodename, And Kubectl Run

This article provides guidance on how to start a pod on a specific Kubernetes node using `nodeSelector`, `nodeName` in the pod manifest, and labeling nodes. It also explains how to use `kubectl run` with overrides to specify the desired node name for a pod.

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k8s start pod at specific node

specify nodeSelector or nodeName in Pod or VirtualMachineInstance manifest

these selectors are in the spec field

kubectl run <pod name> --image=<image name> -it --rm --overrides='{"spec":{"nodeName": "<node name>"}}' -- /bin/sh

to label a node, run:

kubectl label node <node_name> <key>=<value>