#Manual Setup of Master cluster node 



swapoff -a 

sudo apt-get update && sudo apt-get upgrade -y 

sudo apt install curl -y 

sudo apt-get install -y docker.io 

sudo sh -c "echo 'deb http://apt.kubernetes.io/ kubernetes-xenial main' >> /etc/apt/sources.list.d/kubernetes.list" 

sudo sh -c "curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -" 

sudo apt-get update 

sudo apt-get install -y kubeadm=1.20.1-00 kubelet=1.20.1-00 kubectl=1.20.1-00 

sudo apt-mark hold kubelet kubeadm kubectl 

sudo kubeadm init --kubernetes-version 1.20.1 --pod-network-cidr 192.168.0.0/16 

mkdir -p $HOME/.kube 

sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config 

sudo chown $(id -u):$(id -g) $HOME/.kube/config 

kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml 

# or under root 

export KUBECONFIG=/etc/kubernetes/admin.conf 

kubeadm token create --print-join-command 

kubectl describe nodes | grep -i Taint 

kubectl taint nodes --all node-role.kubernetes.io/master- 

kubectl taint nodes --all node-role.kubernetes.io/not-ready-