k8s-learning

Kind

• kind create cluster - Create a cluster
  • options:
    • kind create cluster --config=dir/to/kind.yaml --name=clusterName
• kind get clusters - Liste kind clusters
• kind delete clusters kind - Delete kind cluster

Kubectl

• kubectl cluster-info --context clusterName - Change cluster context
• kubectl get nodes - List nodes of
• kubectl config get-clusters - Liste clusters
• kubectl config use-context contextName - Change cluster context
• kubectl apply -f dir/to/config.yaml - Apply configuration files
• kubectl get pods - List pods
• kubectl port-forward pod/podName 8000:80 - Redirections to access container inside a pod
• kubectl delete pod podName - Delete pod
• kubectl get replicasets - List replicasets
• kubectl describe pod podName - Describe a pod
• kubectl delete replicasets - Delete a replicaset
• kubectl get deployments - List deployments
• kubectl rollout history deployment deploymentName - List rollouts history of a deployment
• kubectl rollout undo deployment - make the rollback to last revision
• kubectl get services - List services
• kubectl proxy --port=portNumber - Proxy to access k8s api
• kubectl top pod podName
• kubectl get hpa - List hpas
• kubectl get ns - List namespaces
• kubectl create ns namespaceName - Create a namespace
• kubectl config current-context - See the current context
• kubectl config set-context contextName --namespace=namespaceName --cluster=clusterName --user=userName

Good to Know

~/.kube/config - has all the credentials and certificates to access a cluster