[Version]
kubeadm version

[Clusters]
kubeadm init
kubeadm init --pod-network-cidr=SUBNET_RANGE
kubeadm init --pod-network-cidr=SUBNET_RANGE --apiserver-advertise-address=MASTER_NODE_IPADDRESS                        # MASTER_NODE_IPADDRESS = Private/Public

[Highly Available Clusters with multiple Master Nodes and multiple Worker Nodes]
kubeadm init --control-plane-endpoint LOAD_BALANCER_IPADDRESS:LOAD_BALANCER_PORT_NO --upload-certs

[Check the token validity]
kubeadm token list

[Generating/Creating new kubeadm token to join Worker Nodes]
kubeadm token create --print-join-command

[Delete a existing kubeadm token]
kubeadm token delete TOKEN_ID

[]
kubeadm reset

[Upgrade]
# Links:- https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/
