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hardkubectl

Extract the kubelet version from every node to verify upgrade status

command

kubectl get nodes -o jsonpath='{.items[*].status.nodeInfo.kubeletVersion}'

also accepted

kubectl get nodes -o jsonpath

Command breakdown

Part of the Kubernetes CLI (kubectl) — Nodes category.

kubectlgetnodes-ojsonpath='{.items[*].status.nodeInfo.kubeletVersion}'

Flag	Purpose
`-o`	Boolean flag

More Nodes commands

List all nodes in the cluster with their status and Kubernetes versionkubectl get nodes
Show detailed information including capacity, conditions, and allocated resources for a nodekubectl describe node NODE_NAME
Mark a node as unschedulable to prevent new pods from being assigned to itkubectl cordon NODE_NAME
Mark a previously cordoned node as schedulable again to accept new podskubectl uncordon NODE_NAME
Safely evict all pods from a node in preparation for maintenancekubectl drain NODE_NAME --ignore-daemonsets --delete-emptydir-data
Apply a taint to a node to repel pods that do not tolerate the taintkubectl taint nodes NODE_NAME KEY=VALUE:EFFECT
Display CPU and memory usage metrics for all nodes in the clusterkubectl top node
Add or update a label on a node for scheduling constraints and selectionkubectl label nodes NODE_NAME KEY=VALUE

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