kubeadm

Command-line interface for creating and managing Kubernetes clusters.

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• 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

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