## Worker Node, inisialisasi master (verifikasi dan matikan swap lebih dulu)
swapon -s
sudo swapoff -a
sudo kubeadm init --pod-network-cidr=10.244.0.0/16


## Worker Node, copy konfigurasi admin kubernetes
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config


## Worker Node, instal pod network flannel
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
kubectl get pods --all-namespaces --watch

#Tunggu sampai status pod kube-dns menjadi running (~5 menit)


## Worker Node, verifikasi config dan cluster
kubectl config view
kubectl cluster-info


## Worker Node, tampilkan token dan token-ca-cert-hash
sudo kubeadm token list
sudo openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'