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added instructions for updating K8s thru UI

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martyav
2023-03-20 17:31:16 -04:00
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docs/getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/prepare-to-upgrade-a-hardened-cluster-to-k8s-v1-25.md
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---
title: Preparing to Upgrade a Hardened Custom/Imported Cluster to Kubernetes v1.25
title: Upgrade a Hardened Custom/Imported Cluster to Kubernetes v1.25
---
Kubernetes v1.25 changes how clusters describe and implement security policies. From this version forward, [Pod Security Policies (PSPs)](https://kubernetes.io/docs/concepts/security/pod-security-policy/) are no longer available. Kubernetes v1.25 replaces them with new security objects: [Pod Security Standards (PSS)](https://kubernetes.io/docs/concepts/security/pod-security-standards/), and [Pod Security Admissions (PSAs)](https://kubernetes.io/docs/concepts/security/pod-security-admission/).
@@ -14,16 +14,19 @@ If you have custom or imported hardened clusters, you must make special preparat
1. Edit the RKE2 configuration file:
1. Update the `profile` field to `cis-1.23`.
1. Specify the path for the configuration file that you just added: `pod-security-admission-config-file: /etc/rancher/rke2/rancher-psact.yaml`.
After you perform these steps, you can upgrade the cluster's Kubernetes version through the Rancher UI.
</TabItem>
<TabItem value="K3s">
Follow the [official K3s instructions](https://docs.k3s.io/known-issues#:~:text=Upgrading%20Hardened%20Clusters%20from%20v1.24.x%20to%20v1.25.x), but use a [custom](./rancher-psact.yaml) Rancher PSA configuration template, instead of the configuration provided on the official K3s site.
After you perform these steps, you can upgrade the cluster's Kubernetes version through the Rancher UI.
</TabItem>
</Tabs>
After you perform these steps, you can upgrade the cluster's Kubernetes version through the Rancher UI:
1. In the upper left corner, click **☰ > Cluster Management**.
1. Find the cluster you want to update in the **Clusters** table, and click the **⋮**.
1. Select **Edit Config**.
1. In the **Kubernetes Version** dropdown menu, select the version that you would like to use.
## Upgrading Custom Hardened Clusters to Kubernetes ≥v1.25
<Tabs>