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# kubeadm
> 用于创建和管理 Kubernetes 集群的命令行接口。
> 更多信息:<https://kubernetes.io/docs/reference/setup-tools/kubeadm>。
- 创建一个 Kubernetes 主节点:
`kubeadm init`
- 启动一个 Kubernetes 工作节点并将其加入集群:
`kubeadm join --token {{token}}`
- 创建一个新的引导令牌TTL 为 12 小时:
`kubeadm token create --ttl {{12h0m0s}}`
- 检查 Kubernetes 集群是否可升级以及可用的版本:
`kubeadm upgrade plan`
- 将 Kubernetes 集群升级到指定版本:
`kubeadm upgrade apply {{version}}`
- 查看包含集群配置的 kubeadm ConfigMap
`kubeadm config view`
- 撤销 'kubeadm init' 或 'kubeadm join' 对主机所做的更改:
`kubeadm reset`