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<title data-rh="true">Cluster Administration | Rancher</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://ranchermanager.docs.rancher.com/pages-for-subheaders/manage-clusters"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Cluster Administration | Rancher"><meta data-rh="true" name="description" content="After you provision a cluster in Rancher, you can begin using powerful Kubernetes features to deploy and scale your containerized applications in development, testing, or production environments."><meta data-rh="true" property="og:description" content="After you provision a cluster in Rancher, you can begin using powerful Kubernetes features to deploy and scale your containerized applications in development, testing, or production environments."><link data-rh="true" rel="icon" href="/img/favicon.png"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/pages-for-subheaders/manage-clusters" hreflang="en"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/zh/pages-for-subheaders/manage-clusters" hreflang="zh"><link data-rh="true" rel="alternate" href="https://ranchermanager.docs.rancher.com/pages-for-subheaders/manage-clusters" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://30NEY6C9UY-dsn.algolia.net" crossorigin="anonymous"><link data-rh="true" rel="canonical" href="https://ranchermanager.docs.rancher.com/pages-for-subheaders/manage-clusters"><link rel="preconnect" href="https://www.googletagmanager.com">
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padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">How-to Guides</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/pages-for-subheaders/new-user-guides"><span itemprop="name">New User Guides</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Manage Clusters</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Latest</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Cluster Administration</h1></header><p>After you provision a cluster in Rancher, you can begin using powerful Kubernetes features to deploy and scale your containerized applications in development, testing, or production environments.</p><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_S0QG"><p>This section assumes a basic familiarity with Docker and Kubernetes. For a brief explanation of how Kubernetes components work together, refer to the <a href="/reference-guides/kubernetes-concepts">concepts</a> page.</p></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="managing-clusters-in-rancher">Managing Clusters in Rancher<a href="#managing-clusters-in-rancher" class="hash-link" aria-label="Direct link to Managing Clusters in Rancher" title="Direct link to Managing Clusters in Rancher">​</a></h2><p>After clusters have been <a href="/pages-for-subheaders/kubernetes-clusters-in-rancher-setup">provisioned into Rancher</a>, <a href="/how-to-guides/new-user-guides/authentication-permissions-and-global-configuration/manage-role-based-access-control-rbac/cluster-and-project-roles#cluster-roles">cluster owners</a> will need to manage these clusters. There are many different options of how to manage your cluster.</p><table><thead><tr><th>Action</th><th>Rancher Launched Kubernetes Clusters</th><th>EKS, GKE and AKS Clusters<sup>1</sup></th><th>Other Hosted Kubernetes Clusters</th><th>Non-EKS or GKE Registered Clusters</th></tr></thead><tbody><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/access-clusters/use-kubectl-and-kubeconfig">Using kubectl and a kubeconfig file to Access a Cluster</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/access-clusters/add-users-to-clusters">Managing Cluster Members</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/pages-for-subheaders/cluster-configuration">Editing and Upgrading Clusters</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓<sup>2</sup></td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/nodes-and-node-pools">Managing Nodes</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓<sup>3</sup></td></tr><tr><td><a href="/pages-for-subheaders/create-kubernetes-persistent-storage">Managing Persistent Volumes and Storage Classes</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/projects-and-namespaces">Managing Projects, Namespaces and Workloads</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/pages-for-subheaders/helm-charts-in-rancher">Using App Catalogs</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td>Configuring Tools (<a href="/pages-for-subheaders/monitoring-and-alerting">Alerts, Notifiers, Monitoring</a>, <a href="/pages-for-subheaders/logging">Logging</a>, <a href="/pages-for-subheaders/istio">Istio</a>)</td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/pages-for-subheaders/cis-scan-guides">Running Security Scans</a></td><td>✓</td><td>✓</td><td>✓</td><td>✓</td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/rotate-certificates">Ability to rotate certificates</a></td><td>✓</td><td>✓</td><td></td><td></td></tr><tr><td>Ability to <a href="/how-to-guides/new-user-guides/backup-restore-and-disaster-recovery/back-up-rancher-launched-kubernetes-clusters">backup</a> and <a href="/how-to-guides/new-user-guides/backup-restore-and-disaster-recovery/restore-rancher-launched-kubernetes-clusters-from-backup">restore</a> Rancher-launched clusters</td><td>✓</td><td>✓</td><td></td><td>✓<sup>4</sup></td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes">Cleaning Kubernetes components when clusters are no longer reachable from Rancher</a></td><td>✓</td><td></td><td></td><td></td></tr><tr><td><a href="/how-to-guides/new-user-guides/manage-clusters/add-a-pod-security-policy">Configuring Pod Security Policies</a></td><td>✓</td><td>✓</td><td></td><td></td></tr></tbody></table><ol><li><p>Registered EKS, GKE and AKS clusters have the same options available as EKS, GKE and AKS clusters created from the Rancher UI. The difference is that when a registered cluster is deleted from the Rancher UI, it is not destroyed.</p></li><li><p>Cluster configuration options can&#x27;t be edited for registered clusters, except for <a href="/how-to-guides/new-user-guides/kubernetes-clusters-in-rancher-setup/register-existing-clusters">K3s and RKE2 clusters.</a></p></li><li><p>For registered cluster nodes, the Rancher UI exposes the ability to cordon, drain, and edit the node.</p></li><li><p>For registered clusters using etcd as a control plane, snapshots must be taken manually outside of the Rancher UI to use for backup and recovery.</p></li></ol><h2 class="anchor anchorWithStickyNavbar_LWe7" id="configuring-tools">Configuring Tools<a href="#configuring-tools" class="hash-link" aria-label="Direct link to Configuring Tools" title="Direct link to Configuring Tools">​</a></h2><p>Rancher contains a variety of tools that aren&#x27;t included in Kubernetes to assist in your DevOps operations. Rancher can integrate with external services to help your clusters run more efficiently. Tools are divided into the following categories:</p><ul><li>Alerts</li><li>Notifiers</li><li>Logging</li><li>Monitoring</li><li>Istio Service Mesh</li><li>OPA Gatekeeper</li></ul><p>Tools can be installed through <strong>Apps.</strong></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/rancher/rancher-docs/edit/main/docs/pages-for-subheaders/manage-clusters.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2023-08-15T19:24:51.000Z">Aug 15, 2023</time></b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/how-to-guides/new-user-guides/authentication-permissions-and-global-configuration/custom-branding"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Custom Branding</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/pages-for-subheaders/access-clusters"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Cluster Access</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#managing-clusters-in-rancher" class="table-of-contents__link toc-highlight">Managing Clusters in Rancher</a></li><li><a href="#configuring-tools" class="table-of-contents__link toc-highlight">Configuring Tools</a></li></ul></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2023 SUSE Rancher. 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