Kubernetes

kubernetes - configs

##Get cluster info
$ kubectl cluster-info

##Get nodes
$ kubectl get nodes

##Get contexts (used for multiple clusters)
$ kubectl config get-contexts

##Change contexts
$ kubectl config use-context CONTEXT_NAME

#add your credentials to your kubernetes cluster
kubectl create clusterrolebinding cluster-admin-binding \                                                                       
--clusterrole cluster-admin --user $(gcloud config get-value account)

##set credentials for the set cluster
kubectl config set-credentials cluster-admin --token=bearer_token

kubernetes - create and show ymls

##Create configMap using a file
$ kubectl create configmap game-config --from-file=docs/user-guide/configmap/kubectl

##Get yml from a configMap already created
$ kubectl get configmaps game-config -o yaml

##deploy a new container
kubectl apply -f debian.yml --context="<name of the context>"

kubernetes - get information

##get pods from a context
kubectl get pods --context=minikube

##get services
kubectl get services