Kubernetes client (kubectl) basics

kubectl version
kubectl cluster-info
kubectl config get-contexts

Object Queries

kubectl get nodes
kubectl get node <NodeName>
kubectl get node <NodeName> -o wide
kubectl describe node <NodeName>
kubectl get ns
kubectl describe ns <nsName>
kubectl get pods
kubectl get pods --all-namespaces
kubectl get pod <podName>
kubectl delete pod <podName>
kubectl get po <podName> -n <nsName> -o yaml

Diagnostics Queries

kubectl logs <podName> -n <nsName>
kubectl logs <podName> -n <nsName> -c <constainerName>
kubectl exec <podName> -n <nsName> <COMMAND>

Create/Apply Queries

kubectl create namespace <nsName>
kubectl apply -f <file>
Modify definition
kubectl apply -f <file>

Object Definition Help

kubectl explain pod
kubectl explain pod.metadata
kubectl explain pod.metadata.annotations