ㅁ Check Node Status
kubectl get nodes
kubectl get pods
ㅁ Check Controlplane Pods
kubectl get pods -n kube-system
service kube-apiserver status
service kube-controller-manager status
service kube-scheduler status
service kubelet status
service kube-proxy status
ㅁ Check Service Logs
kubectl logs kube-apiserver-master -n kube-system
sudo journalctl -u kube-apiserver
https://kubernetes.io/docs/tasks/debug-application-cluster/debug-cluster
Troubleshoot Clusters
This doc is about cluster troubleshooting; we assume you have already ruled out your application as the root cause of the problem you are experiencing. See the application troubleshooting guide for tips on application debugging. You may also visit troubles
kubernetes.io
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