create_k8s_node.sh

#sudo swapoff -a
#sudo modprobe br_netfilter

#echo 1 | sudo tee -a /proc/sys/net/ipv4/ip_forward > /dev/null

sudo systemctl daemon-reload && sudo systemctl restart kubelet && sudo systemctl restart containerd

# initialize cluster
sudo -E kubeadm init --config=./kubeadm.yaml

# setup kubeconfig
rm -rf "${HOME}/.kube"
mkdir -p "${HOME}/.kube"
sudo cp -i /etc/kubernetes/admin.conf "${HOME}/.kube/config"
sudo chown "$(id -u):$(id -g)" "${HOME}/.kube/config"

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

kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/v0.21.0/Documentation/kube-flannel.yml
#kubectl apply -f https://docs.projectcalico.org/v3.10/manifests/canal.yaml