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markdown"><header><h1>Glossary</h1></header><p>This page covers Rancher-specific terminology and symbols which might be unfamiliar, or which differ between Rancher versions.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="icons--symbols">Icons & Symbols<a href="#icons--symbols" class="hash-link" aria-label="Direct link to Icons & Symbols" title="Direct link to Icons & Symbols"></a></h2><dl><dt>☰</dt><dd>The navigation menu toggle, a button in the far top left corner of the Rancher UI. Clicking the ☰ opens a sidebar that provides access to the main sections of the Rancher interface.</dd><dt>⋮</dt><dd>The submenu toggle, a button found at the far right of many table rows throughout the Rancher UI. Clicking the ⋮ opens a submenu containing a contextual list of tasks related to the item in that row.</dd></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="a">A<a href="#a" class="hash-link" aria-label="Direct link to A" title="Direct link to A"></a></h2><dl><dt>Apps</dt><p><b>Versions:</b> Rancher v2.6.5 and later</p><dd>When describing navigation within Rancher, the section of the Rancher UI where you manage Helm charts and Helm chart repositories. In earlier versions of Rancher, this section was called <i>Apps & Marketplace</i>, or <i>Catalogs</i>.</dd><p><b>Synonyms:</b> <i>Apps & Marketplace, Catalogs</i></p><dt>Apps & Marketplace</dt><p><b>Versions:</b> Rancher v2.5.0–2.6.5</p><dd>The section of the Rancher UI where you manage Helm charts and Helm chart repositories. In earlier versions of Rancher, this section was called <i>Catalogs</i>. In later versions, it is called <i>Apps</i>.</dd><p><b>Synonyms:</b> <i>Apps, Catalogs</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="c">C<a href="#c" class="hash-link" aria-label="Direct link to C" title="Direct link to C"></a></h2><dl><dt>Catalogs</dt><p><b>Versions:</b> 1. Rancher v2.4 and earlier 2. Rancher v2.7 and later</p><dd>The section of the Rancher UI where you manage Helm charts and Helm chart repositories. In later versions of Rancher, this section is called <i>Apps & Marketplace</i>, or <i>Apps</i>.</dd><p><b>Synonyms:</b> <i>Apps, Apps & Marketplace</i></p><p><b>Related terms:</b> <i>Extension catalogs</i></p><dt>Community</dt><dd>A build of Rancher that's available to the entire Rancher community.</dd><p><b>Related terms:</b> <i>Prime, Rancher Prime</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="d">D<a href="#d" class="hash-link" aria-label="Direct link to D" title="Direct link to D"></a></h2><dl><dt>Downstream cluster</dt><dd>An alternative name for a <i>managed cluster</i>, a Kubernetes cluster that is managed by a Rancher server.</dd><p><b>Synonyms:</b> <i>Managed cluster</i></p><p><b>Related terms:</b> <i>Hosted cluster, Imported cluster, Rancher server, Registered cluster, Upstream cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="e">E<a href="#e" class="hash-link" aria-label="Direct link to E" title="Direct link to E"></a></h2><dl><dt>Extension</dt><p><b>Versions:</b> Rancher v2.7.0 and later</p><dd>Helm charts that can extend and enhance the Rancher UI, and tailor Rancher to your specific environment. Some Extensions require manual installation on a cluster, while others are built into Rancher. Built-in Extensions include Fleet and Harvester. Manually installed Extensions include Kubewarden and Elemental.</dd><p><b>Related terms:</b> <i>Apps & Marketplace, Catalogs, Integrations</i></p><dt>Extension catalogs</dt><p><b>Versions:</b> Rancher v2.7.0 and later</p><dd>Container image repositories that can be imported to add UI extensions to your Rancher instance.</dd></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="h">H<a href="#h" class="hash-link" aria-label="Direct link to H" title="Direct link to H"></a></h2><dl><dt>Hosted cluster</dt><dd>A managed cluster that is hosted in the cloud, by a Kubernetes provider. Rancher supports a variety of hosted Kubernetes providers, including Amazon Elastic Kubernetes Service (EKS), Azure Kubernetes Service (AKS), and Google Kubernetes Engine (GKE). Rancher integrates with the hosted Kubernetes provider's cloud APIs, so that you can manage the cluster from the Rancher UI.</dd><p><b>Related terms:</b> <i>Downstream cluster, Imported cluster, Managed cluster, Registered cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="i">I<a href="#i" class="hash-link" aria-label="Direct link to I" title="Direct link to I"></a></h2><dl><dt>Imported cluster</dt><p><b>Versions:</b> Rancher v2.0–2.4</p><dd>An existing cluster that was provisioned by a third party, then set up to be managed by Rancher. <i>Registered clusters</i> in later versions of Rancher are roughly synonymous with imported clusters. The main difference is that there are more management features exposed in the Rancher UI for registered clusters than for imported clusters.</dd><p><b>Related terms:</b> <i>Downstream cluster, Hosted cluster, Managed cluster, Reistered cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="k">K<a href="#k" class="hash-link" aria-label="Direct link to K" title="Direct link to K"></a></h2><dl><dt>K3s</dt><dd>A lightweight Kubernetes distribution chiefly designed for workloads that run unattended under tight resource constraints.</dd><p><b>Related terms:</b> <i>RKE, RKE2</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="l">L<a href="#l" class="hash-link" aria-label="Direct link to L" title="Direct link to L"></a></h2><dl><dt>Local cluster</dt><dd>An alternative name for a <i>Rancher server</i>, the Kubernetes cluster that hosts Rancher and manages other clusters. Here, <i>local</i> refers to the location of the Rancher installation, not to the user's local workstation. Local clusters can be hosted on-premises, in air-gapped environments, or in the cloud.</dd><p><b>Synonyms:</b> <i>Rancher server, Upstream cluster</i></p><p><b>Related terms:</b> <i>Downstream cluster, Hosted cluster, Imported cluster, Managed cluster, Registered cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="m">M<a href="#m" class="hash-link" aria-label="Direct link to M" title="Direct link to M"></a></h2><dl><dt>Managed cluster</dt><dd>A Kubernetes cluster that is managed by a Rancher server. Managed clusters can run on a variety of infrastructure and can be located anywhere, including in the cloud, on-premises, or in air-gapped environments.</dd><p><b>Synonyms:</b> <i>Downstream cluster</i></p><p><b>Related terms:</b> <i>Hosted cluster, Imported cluster, Rancher server, Registered cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="r">R<a href="#r" class="hash-link" aria-label="Direct link to R" title="Direct link to R"></a></h2><dl><dt>Rancher</dt><dd>A Kubernetes management tool to deploy and run clusters anywhere and on any provider. Rancher includes all the software and downstream cluster components used to manage the entire Rancher deployment.</dd><dt>Rancher Kubernetes Engine (RKE)</dt><dd>A CNCF-certified Kubernetes distribution that runs entirely within Docker containers. There are two main versions of RKE available. The 1.x software line is sometimes called <i>RKE1</i>, or simply <i>RKE</i>. The next-generation line is called <i>RKE2</i>.</dd><p><b>Synonyms:</b> <i>RKE1</i></p><p><b>Related terms:</b> <i>K3s, RKE2</i></p><dt>Rancher Prime</dt><dd>Rancher Prime is a new edition of the commercial, enterprise offering built on the the same source code. Installation assets are hosted on a trusted registry owned and managed by Rancher with additional value coming in from security assurances, extended lifecycles, access to focused architectures and Kubernetes advisories.</dd><dt>Rancher server</dt><dd>The Kubernetes cluster that hosts Rancher and manages the other clusters in the Rancher deployment.</dd><p><b>Synonyms:</b> <i>Local cluster, Upstream cluster</i></p><p><b>Related terms:</b> <i>Downstream cluster, Hosted cluster, Imported cluster, Managed cluster, Registered cluster</i></p><dt>Registered cluster</dt><p><b>Versions:</b> Rancher v2.5 and later</p><dd>An existing cluster that was provisioned by a third party, then set up to be managed by Rancher. Older versions of Rancher use <i>Imported cluster</i> to refer to a similar concept. The main difference is that there are more management features exposed in the Rancher UI for registered clusters than for imported clusters.</dd><p><b>Related terms:</b> <i>Downstream cluster, Hosted cluster, Imported cluster, Managed cluster</i></p><dt>RKE1</dt><dd>An alternative name for the v1.x software line of <i>Rancher Kubernetes Engine (RKE)</i>. Sometimes called <i>RKE</i> for short. RKE1 is a certified Kubernetes distribution and CLI/library which creates and manages a Kubernetes cluster.</dd><p><b>Synonyms:</b> <i>Rancher Kubernetes Engine</i></p><p><b>Related terms:</b> <i>K3s, RKE2</i></p><dt>RKE2</dt><p><b>Versions:</b> Rancher v2.6.0 and later (to provision clusters), Rancher 2.5.0 and later (to register clusters)</p><dd>A fully conformant version of the Rancher Kubernetes Engine (RKE) that is designed for security and compliance with US federal government standards.</dd><p><b>Related terms:</b> <i>K3s, RKE</i></p><dt>Roles</dt><dd>Roles determine what actions a Rancher user can make within a cluster or project.</dd></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="u">U<a href="#u" class="hash-link" aria-label="Direct link to U" title="Direct link to U"></a></h2><dl><dt>Upstream cluster</dt><dd>An alternative name for the <i>Rancher server</i>, the Kubernetes cluster that hosts Rancher and manages the other clusters in the Rancher deployment.</dd><p><b>Synonyms:</b> <i>Local cluster, Rancher server</i></p><p><b>Related terms:</b> <i>Downstream cluster, Hosted cluster, Imported cluster, Managed cluster, Registered cluster</i></p></dl><h2 class="anchor anchorWithStickyNavbar_LWe7" id="w">W<a href="#w" class="hash-link" aria-label="Direct link to W" title="Direct link to W"></a></h2><dl><dt>Workload</dt><dd>Objects that set deployment rules for pods. Based on these rules, Kubernetes performs the deployment and updates the workload with the current state of the application. Workloads let you define the rules for application scheduling, scaling, and upgrade.</dd></dl></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/glossary.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="2024-05-30T17:30:36.000Z">May 30, 2024</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="/contribute-to-rancher"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Contributing to Rancher</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="#icons--symbols" class="table-of-contents__link toc-highlight">Icons & Symbols</a></li><li><a href="#a" class="table-of-contents__link toc-highlight">A</a></li><li><a href="#c" class="table-of-contents__link toc-highlight">C</a></li><li><a href="#d" class="table-of-contents__link toc-highlight">D</a></li><li><a href="#e" class="table-of-contents__link toc-highlight">E</a></li><li><a href="#h" class="table-of-contents__link toc-highlight">H</a></li><li><a href="#i" class="table-of-contents__link toc-highlight">I</a></li><li><a href="#k" class="table-of-contents__link toc-highlight">K</a></li><li><a href="#l" class="table-of-contents__link toc-highlight">L</a></li><li><a href="#m" class="table-of-contents__link toc-highlight">M</a></li><li><a href="#r" class="table-of-contents__link toc-highlight">R</a></li><li><a href="#u" class="table-of-contents__link toc-highlight">U</a></li><li><a href="#w" class="table-of-contents__link toc-highlight">W</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 © 2024 SUSE Rancher. 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