Usage: kubeadm [command]
Available Commands: alpha Experimental sub-commands not yet fully functional. completion Output shell completion code for the specified shell (bash or zsh). config Manage configuration for a kubeadm cluster persisted in a ConfigMap in the cluster. help Help about any command init Run this command in order to set up the Kubernetes master. #建立一个master node。 join Run this on any machine you wish to join an existing cluster #初始化worker节点并加入到cluster reset Run this to revert any changes made to this host by 'kubeadm init' or 'kubeadm join'.#还原所有kubeadm init 和kubeadm join操
token Manage bootstrap tokens.#管理kubeadm join的tokens upgrade Upgrade your cluster smoothly to a newer version with this command.#升级k8s集群到一个新的版本 version Print the version of kubeadm#查看kubeadm版本
Flags: -h, --help help for kubeadm -v, --v Level log level for V logs
Use "kubeadm [command] --help" for more information about a command.
加入节点如果忘记kubeadm join,可以用下列命令查询。
kubeadm token create --print-join-command