bashANYnodeshealth
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kubectl get nodesKubernetes Node Debugging Cheat Sheet
Diagnose node readiness, kubelet issues, pressure conditions, cordon/drain, and node-level debugging with kubectl debug.
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Node Health and Conditions
bashANYnodesdescribe
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kubectl describe node <node>bashANYnodesyaml
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kubectl get node <node> -o yamlbashANYnodesmetrics
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kubectl top node <node>bashANYnodesmetrics
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kubectl top nodesbashANYnodesconditions
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kubectl get nodes -o custom-columns=NAME:.metadata.name,READY:.status.conditions[?(@.type=="Ready")].status,MEM:.status.conditions[?(@.type=="MemoryPressure")].status,DISK:.status.conditions[?(@.type=="DiskPressure")].status,PID:.status.conditions[?(@.type=="PIDPressure")].statusNode Debug Shell
bashANYdebugnodes
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kubectl debug node/<node> -it --image=busybox:1.36bashANYdebugnodes
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kubectl debug node/<node> -it --image=ubuntu:24.04bashANYdebughost
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chroot /hostbashANYkubeletlogs
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journalctl -u kubelet --no-pager | tail -n 200bashANYcrictlruntime
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crictl ps -abashANYcrictlruntime
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crictl podsScheduling and Maintenance
bashANYcordonmaintenance
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kubectl cordon <node>bashANYuncordonmaintenance
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kubectl uncordon <node>bashANYdrainmaintenance
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kubectl drain <node> --ignore-daemonsets --delete-emptydir-databashANYnodespods
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kubectl get pods -A --field-selector spec.nodeName=<node> -o widebashANYdaemonsetsnodes
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kubectl get daemonsets -AControl Plane and System Pods
bashANYkube-systemsystem
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kubectl get pods -n kube-system -o widebashANYkube-proxynetworking
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kubectl describe pod -n kube-system <kube-proxy-pod>bashANYkube-proxylogs
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kubectl logs -n kube-system <kube-proxy-pod>bashANYnodessystem
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kubectl get pods -n kube-system | grep -i node-problem-detectorMore in Kubernetes Debugging
Kubernetes Logs and Events Cheat Sheet
Find pod logs, previous container logs, event timelines, kube-system logs, and cluster incident evidence quickly.
Kubernetes Network Debugging Cheat Sheet
Debug Services, DNS, Ingress, network policies, connectivity, endpoints, and port-forwarding issues.
Kubernetes Pod Debugging Cheat Sheet
Troubleshoot Pending, CrashLoopBackOff, image pull, readiness, liveness, and init container problems.
Kubernetes Debugging Cheat Sheet
Core kubectl troubleshooting commands for pods, deployments, services, events, logs, exec sessions, and ephemeral debugging.