Minikube

What is MINIKUBE?

Minikube is single node kubernestes cluster.

Minikube installation on Ubuntu Server..

1)Create EC2 instance with minimum 2CPU and 2GB RAM.

2)Install docker using below command

apt-get install docker.io

3)Download minikube and kubectl

curl -LO https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl

curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64

 

4)Execute below commands:

#mv minikube-linux-amd64  /usr/local/bin/minikube

#chmod 755 /usr/local/bin/minikube

#mv kubectl /usr/local/bin/kubectl

#chmod 755 /usr/local/bin/kubectl

#root@ip-172-31-31-126:~#  minikube version

minikube version: v1.25.1

commit: 3e64b11ed75e56e4898ea85f96b2e4af0301f43d

 

root@ip-172-31-31-126:~# kubectl version

Client Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.3", GitCommit:"816c97ab8cff8a1c72eccca1026f7820e93e0d25", GitTreeState:"clean", BuildDate:"2022-01-25T21:25:17Z", GoVersion:"go1.17.6", Compiler:"gc", Platform:"linux/amd64"}

Server Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.1", GitCommit:"86ec240af8cbd1b60bcc4c03c20da9b98005b92e", GitTreeState:"clean", BuildDate:"2021-12-16T11:34:54Z", GoVersion:"go1.17.5", Compiler:"gc", Platform:"linux/amd64"}

root@ip-172-31-31-126:~#

 

5)Start Minikube using below command

#minikube start --driver=none

 

6)Check Minikube Status:

 

root@ip-172-31-31-126:~# minikube status

minikube

type: Control Plane

host: Running

kubelet: Running

apiserver: Running

kubeconfig: Configured

 

7)Execute below command to check cluster info.

root@ip-172-31-31-126:~# kubectl cluster-info

Kubernetes control plane is running at https://172.31.31.126:8443

CoreDNS is running at https://172.31.31.126:8443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

root@ip-172-31-31-126:~# kubectl get nodes

NAME               STATUS   ROLES                  AGE     VERSION

ip-172-31-31-126   Ready    control-plane,master   5m48s   v1.23.1