Kubernetes

Basic commands

• kubectl get nodes = list all nodes in the cluster
• kubectl get pods = list all pods
• kubectl get deployments = list all deployments
• kubectl get svc = list all services
• kubectl get pods -n kube-system = list all system pods
• kubeadm init = initialize the master cluster
• kubectl describe pod $podname = show detailed info about a specific pod
• kubectl describe node $nodename = show detailed info about a specific node
• kubectl delete pod $podname = delete a specific pod. With node works with nodes too
• kubectl exec $podname $command = execute a command from within a specific pod in the cluster
• kubectl edit deployment $deploymentname -n $namespace = edit on the fly a deployment from a specific namespace