k8s commands

Command	Description
kubectl cluser-info	Get kubernetes cluster information
kubectl config veiw	View the config of cluster
kubectl get namespaces	View the config of cluster
kubectl create namespace name	Create a namespace
kubectl delete namespace name	delete namespace
kubectl get nodes	Get information about nodes which are part of the cluster
kubectl get pods	Get all pods running in a current namespace
kubectl get pods -o wide	Get information about nodes which are part of the cluster
kubectl get pods --all-namespaces	Get information about nodes which are part of the cluster
kubectl run podname --image=<image_name>	Create a pod
kubectl logs -f podsname	View logs of running pod
kubectl exec -it podname -- /bin/bash	Interactive shell access to a running pod
Kubectl delete pods podname	Delete a pod
kubectl create deployment nginx --image=nginx	Create deployment object with command
kubectl scale deployment nginx --replicas=2	Scale replicas of a deployment
kubectl set image deployment nginx nginx=nginx:1.18.0-alpine	Rolling udpate for nginx deployment
kubectl rollout undo deployment nginx	Rollback to previous deployment
kubectl apply -f filename	Deploy objects defined in the file
kubectl delete -f filename	Delete objects defined in the file
kubectl expose deployment nginx --type NodePort --port 80 --target-port 80	Expose deployment nginx with NodePort service
kubectl get pods --selector app=apache	Get all pods with label app=apache
kuebctl create configmap myconfig --from-literal=env=dev	Create configmap imperative command
kubectl create secret generic mysecret1 --from-literal=username=admin	Create secret with imperative command
kubectl get pods/nodes --show-labels	View lables on object
kubectl lable nodes name_of_node key=value	Add label to specified node