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title: kubeadm upgrade
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- mikedanese
- luxas
- jbeda
title: kubeadm upgrade
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`kubeadm upgrade` is a user-friendly command that wraps complex upgrading logic behind one command, with support
for both planning an upgrade and actually performing it. `kubeadm upgrade` can also be used for downgrading
cluster if necessary.
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`kubeadm upgrade` 是一个对用户友好的命令，它将复杂的升级逻辑包装在一个命令后面，支持升级的规划和实际执行。
如有必要，`kubeadm upgrade` 也可用于降级集群。
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## kubeadm upgrade guidance
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## kubeadm 升级指南

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Every upgrade process might be a bit different, so we've documented each minor upgrade process individually.
For more version-specific upgrade guidance, see the following resources:
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每个升级过程可能会有所不同，因此我们分别记录了每个小的升级过程。
有关特定版本的更多升级指南，请参阅以下资源：

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 * [1.10 to 1.11 upgrades](/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade-1-11/)
 * [1.11 to 1.12 upgrades](/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade-1-12/)
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 * [1.10 到 1.11 升级](/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade-1-11/)
 * [1.11 到 1.12 升级](/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade-1-12/)

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_For older versions, please refer to older documentation sets on the Kubernetes website._
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_对于更老的版本，请参阅 Kubernetes 网站上的旧版文档。_

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In Kubernetes v1.11.0 and later, you can use `kubeadm upgrade diff` to see the changes that would be
applied to static pod manifests.
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在 Kubernetes v1.11.0 及更高版本中，您可以使用 `kubeadm upgrade diff` 来查看将应用于静态 Pod 清单的更改。

## kubeadm upgrade plan {#cmd-upgrade-plan}
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## kubeadm upgrade apply {#cmd-upgrade-apply}
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## kubeadm upgrade diff {#cmd-upgrade-diff}
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## kubeadm upgrade node config {#cmd-upgrade-node-config}
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## kubeadm upgrade node experimental-control-plane {#cmd-experimental-control-plane}
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* [kubeadm config](/docs/reference/setup-tools/kubeadm/kubeadm-config/) if you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for `kubeadm upgrade`
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* [kubeadm config](/docs/reference/setup-tools/kubeadm/kubeadm-config/) 如果使用 kubeadm v1.7.x 或更低版本初始化的集群，请配置您的集群来使用 `kubeadm upgrade`。
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