website/content/en/docs/reference/setup-tools/kubeadm/kubeadm-upgrade.md

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mikedanese
luxas
jbeda
kubeadm upgrade templates/concept 40

{{% capture overview %}} 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. {{% /capture %}}

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kubeadm upgrade guidance

The steps for performing a upgrade using kubeadm are outlined in this document. For older versions of kubeadm, please refer to older documentation sets of the Kubernetes website.

You can use kubeadm upgrade diff to see the changes that would be applied to static pod manifests.

To use kube-dns with upgrades in Kubernetes v1.13.0 and later please follow this guide.

In Kubernetes v1.15.0 and later, kubeadm upgrade apply and kubeadm upgrade node will also automatically renew the kubeadm managed certificates on this node, including those stored in kubeconfig files. To opt-out, it is possible to pass the flag --certificate-renewal=false. For more details about certificate renewal see the certificate management documentation.

kubeadm upgrade plan

{{< include "generated/kubeadm_upgrade_plan.md" >}}

kubeadm upgrade apply

{{< include "generated/kubeadm_upgrade_apply.md" >}}

kubeadm upgrade diff

{{< include "generated/kubeadm_upgrade_diff.md" >}}

kubeadm upgrade node

{{< include "generated/kubeadm_upgrade_node.md" >}}

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  • kubeadm config if you initialized your cluster using kubeadm v1.7.x or lower, to configure your cluster for kubeadm upgrade {{% /capture %}}