Useful kubectl commands for debug

k8s-debug.md

• kube current cluster info

kubectl config current-context
kubectl cluster-info
kubectl get events

• kube top

kubectl top pod --all-namespaces
kubectl top node

• kube view node

kubectl get nodes -o wide

• k8s node resource request & limits stats

kubectl get nodes --no-headers | awk '{print $1}' | xargs -I {} sh -c 'echo {}; kubectl describe node {} | grep Allocated -A 5 | grep -ve Event -ve Allocated -ve percent -ve -- ; echo'

• debug shell

kubectl run my-shell -i --tty --image ubuntu -- bash