kubeadm

TLDR

Create a Kubernetes master node

$ kubeadm init

Bootstrap a Kubernetes worker node and join it to a cluster

$ kubeadm join --token [token]

Create a new bootstrap token with a TTL of 12 hours

$ kubeadm token create --ttl [12h0m0s]

Check if the Kubernetes cluster is upgradeable and which versions are available

$ kubeadm upgrade plan

Upgrade Kubernetes cluster to a specified version

$ kubeadm upgrade apply [version]

View the kubeadm ConfigMap containing the cluster's configuration

$ kubeadm config view

Revert changes made to the host by 'kubeadm init' or 'kubeadm join'

$ kubeadm reset