Kubeadminstallation.txt

On master node and worker node both

sudo apt update -y
sudo apt install docker.io -y

sudo systemctl start docker
sudo systemctl enable docker

sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg

echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

sudo apt update -y
sudo apt install kubeadm=1.20.0-00 kubectl=1.20.0-00 kubelet=1.20.0-00 -y

Master Node 

sudo su
hostnamectl set-hostname master
exec bash

kubeadm init (this will generate the join token command which needs to be pasted on the worker node)



Master node

  mkdir -p $HOME/.kube
  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
  sudo chown $(id -u):$(id -g) $HOME/.kube/config


Deploy CNI

kubectl apply -f https://github.com/weaveworks/weave/releases/download/v2.8.1/weave-daemonset-k8s.yaml

kubectl get nodes -w

Worker Node

sudo su
hostnamectl set-hostname worker
exec bash