- Minikube is a 1 node K8s cluster. It contains both master and worker nodes.
- It is used for testing purposes.
- It is a command line tool for k8s cluster.
- It interacts with the cluster by executing different commands on pods like creating, destroying pods or creating services.
https://minikube.sigs.k8s.io/docs/start/
-
create minikube cluster
- minikube start
- kubectl get nodes
- minikube status
- kubectl version
-
delete cluster and restart in debug mode
- minikube delete
- minikube start --driver=docker --v=7 --alsologtostderr
- minikube status
-
kubectl commands
- kubectl get nodes
- kubectl get pod
- kubectl get services
- kubectl create deployment nginx-depl --image=nginx
- kubectl get deployment
- kubectl get replicaset
- kubectl edit deployment nginx-depl
-
debugging
- kubectl logs {pod-name}
- kubectl exec -it {pod-name} bash
-
create mongo deployment
- kubectl create deployment mongo-depl --image=mongo
- kubectl logs mongo-depl-{pod-name}
- kubectl describe pod mongo-depl-{pod-name}
-
delete deplyoment
- kubectl delete deployment mongo-depl
- kubectl delete deployment nginx-depl
-
create or edit config file
- vim nginx-deployment.yaml
- kubectl apply -f nginx-deployment.yaml
- kubectl get pod
- kubectl get deployment
-
delete with config
- kubectl delete -f nginx-deployment.yaml
- kubectl top: The kubectl top command returns current CPU and memory usage for a cluster’s pods or nodes, or for a particular pod or node if specified.