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Upgrade your Kubernetes cluster to the specified version


Upgrade your Kubernetes cluster to the specified version

kubeadm upgrade apply [version]



Show unstable versions of Kubernetes as an upgrade alternative and allow upgrading to an alpha/beta/release candidate versions of Kubernetes.


Show release candidate versions of Kubernetes as an upgrade alternative and allow upgrading to a release candidate versions of Kubernetes.

--certificate-renewal     Default: true

Perform the renewal of certificates used by component changed during upgrades.

--config string

Path to a kubeadm configuration file.


Do not change any state, just output what actions would be performed.

--etcd-upgrade     Default: true

Perform the upgrade of etcd.

--feature-gates string

A set of key=value pairs that describe feature gates for various features. Options are:
PublicKeysECDSA=true|false (ALPHA - default=false)
RootlessControlPlane=true|false (ALPHA - default=false)
UnversionedKubeletConfigMap=true|false (BETA - default=true)

-f, --force

Force upgrading although some requirements might not be met. This also implies non-interactive mode.

-h, --help

help for apply

--ignore-preflight-errors strings

A list of checks whose errors will be shown as warnings. Example: 'IsPrivilegedUser,Swap'. Value 'all' ignores errors from all checks.

--kubeconfig string     Default: "/etc/kubernetes/admin.conf"

The kubeconfig file to use when talking to the cluster. If the flag is not set, a set of standard locations can be searched for an existing kubeconfig file.

--patches string

Path to a directory that contains files named "target[suffix][+patchtype].extension". For example, "kube-apiserver0+merge.yaml" or just "etcd.json". "target" can be one of "kube-apiserver", "kube-controller-manager", "kube-scheduler", "etcd". "patchtype" can be one of "strategic", "merge" or "json" and they match the patch formats supported by kubectl. The default "patchtype" is "strategic". "extension" must be either "json" or "yaml". "suffix" is an optional string that can be used to determine which patches are applied first alpha-numerically.


Specifies whether the configuration file that will be used in the upgrade should be printed or not.

-y, --yes

Perform the upgrade and do not prompt for confirmation (non-interactive mode).

Options inherited from parent commands

--rootfs string

[EXPERIMENTAL] The path to the 'real' host root filesystem.

Last modified May 04, 2022 at 9:24 PM PST: Update reference for kubeadm (1.24) (fa7fda17ab)