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fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">常见问题</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">技术</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：Latest</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">本页总览</button></div><div class="theme-doc-markdown markdown"><header><h1>技术</h1></header><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何重置管理员密码">如何重置管理员密码？<a href="#如何重置管理员密码" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>Docker 安装：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ docker exec -ti <container_id> reset-password</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">New password for default administrator (user-xxxxx):</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"><new_password></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Kubernetes 安装（Helm）：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ KUBECONFIG=./kube_config_cluster.yml</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ kubectl --kubeconfig $KUBECONFIG -n cattle-system exec $(kubectl --kubeconfig $KUBECONFIG -n cattle-system get pods -l app=rancher --no-headers | head -1 | awk '{ print $1 }') -c rancher -- reset-password</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">New password for default administrator (user-xxxxx):</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"><new_password></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="我删除停用了最后一个-admin该如何解决">我删除/停用了最后一个 admin，该如何解决？<a href="#我删除停用了最后一个-admin该如何解决" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>Docker 安装：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ docker exec -ti <container_id> ensure-default-admin</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">New default administrator (user-xxxxx)</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">New password for default administrator (user-xxxxx):</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"><new_password></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>Kubernetes 安装（Helm）：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ KUBECONFIG=./kube_config_cluster.yml</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ kubectl --kubeconfig $KUBECONFIG -n cattle-system exec $(kubectl --kubeconfig $KUBECONFIG -n cattle-system get pods -l app=rancher | grep '1/1' | head -1 | awk '{ print $1 }') -- ensure-default-admin</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">New password for default administrator (user-xxxxx):</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"><new_password></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何启用调试日志记录">如何启用调试日志记录？<a href="#如何启用调试日志记录" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>请参阅<a href="/zh/troubleshooting/other-troubleshooting-tips/logging">故障排除：日志记录</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="我的-clusterip-不响应-ping该如何解决">我的 ClusterIP 不响应 ping，该如何解决？<a href="#我的-clusterip-不响应-ping该如何解决" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>ClusterIP 是一个虚拟 IP，不会响应 ping。要测试 ClusterIP 是否配置正确，最好的方法是使用 <code>curl</code> 访问 IP 和端口并检查它是否响应。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="在哪里管理节点模板">在哪里管理节点模板？<a href="#在哪里管理节点模板" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>打开你的账号菜单（右上角）并选择<code>节点模板</code>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="为什么我的四层负载均衡器处于-pending-状态">为什么我的四层负载均衡器处于 <code>Pending</code> 状态？<a href="#为什么我的四层负载均衡器处于-pending-状态" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>四层负载均衡器创建为 <code>type: LoadBalancer</code>。Kubernetes 需要一个可以满足这些请求的云提供商或控制器，否则这些请求将永远处于 <code>Pending</code> 状态。有关更多信息，请参阅<a href="/zh/pages-for-subheaders/set-up-cloud-providers.md">云提供商</a>或<a href="https://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/" target="_blank" rel="noopener noreferrer">创建外部负载均衡器</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="rancher-的状态存储在哪里">Rancher 的状态存储在哪里？<a href="#rancher-的状态存储在哪里" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><ul><li>Docker 安装：在 <code>rancher/rancher</code> 容器的嵌入式 etcd 中，位于 <code>/var/lib/rancher</code>。</li><li>Kubernetes install：在为运行 Rancher 而创建的 RKE 集群的 etcd 中。</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="支持的-docker-版本是如何确定的">支持的 Docker 版本是如何确定的？<a href="#支持的-docker-版本是如何确定的" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>我们遵循上游 Kubernetes 版本验证过的 Docker 版本。如果需要获取验证过的版本，请查看 Kubernetes 版本 CHANGELOG.md 中的 <a href="https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.10.md#external-dependencies" target="_blank" rel="noopener noreferrer">External Dependencies</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何访问-rancher-创建的节点">如何访问 Rancher 创建的节点？<a href="#如何访问-rancher-创建的节点" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>你可以转到<strong>节点</strong>视图，然后下载用于访问 Rancher 创建的节点的 SSH 密钥。选择要访问的节点并单击行尾 <strong>⋮</strong> 按钮，然后选择<strong>下载密钥</strong>，如下图所示。</p><p><img loading="lazy" alt="下载密钥" src="/zh/assets/images/downloadsshkeys-617979ebc3df306cf60b60325923b283.png" width="442" height="426" class="img_ev3q"></p><p>解压缩下载的 zip 文件，并使用 <code>id_rsa</code> 文件连接到你的主机。请务必使用正确的用户名（如果是 RancherOS，则使用 <code>rancher</code> 或 <code>docker</code>；如果是 Ubuntu，则使用 <code>ubuntu</code>；如果是 Amazon Linux，则使用 <code>ec2-user</code>）。</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">$ ssh -i id_rsa user@ip_of_node</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何在-rancher-中自动化任务-x">如何在 Rancher 中自动化任务 X？<a href="#如何在-rancher-中自动化任务-x" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>UI 由静态文件组成，并根据 API 的响应工作。换言之，UI 中可以执行的每个操作/任务都可以通过 API 进行自动化。有两种方法可以实现这一点：</p><ul><li>访问 <code>https://your_rancher_ip/v3</code> 并浏览 API 选项。</li><li>在使用 UI 时捕获 API 调用（通常使用 <a href="https://developers.google.com/web/tools/chrome-devtools/#network" target="_blank" rel="noopener noreferrer">Chrome 开发者工具</a>，但你也可以使用其他工具）。</li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="节点的-ip-地址改变了该如何恢复">节点的 IP 地址改变了，该如何恢复？<a href="#节点的-ip-地址改变了该如何恢复" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>节点需要配置静态 IP（或使用 DHCP 保留的 IP）。如果节点的 IP 已更改，你必须在集群中删除并重新添加它。删除后，Rancher 会将集群更新为正确的状态。如果集群不再处于 <code>Provisioning</code> 状态，则已从集群删除该节点。</p><p>节点的 IP 地址发生变化时，Rancher 会失去与节点的连接，因此无法正常清理节点。请参阅<a href="/zh/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes">清理集群节点</a>来清理节点。</p><p>在集群中移除并清理节点时，你可以将节点重新添加到集群中。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何将其他参数绑定环境变量添加到-rancher-启动的-kubernetes-集群的-kubernetes-组件中">如何将其他参数/绑定/环境变量添加到 Rancher 启动的 Kubernetes 集群的 Kubernetes 组件中？<a href="#如何将其他参数绑定环境变量添加到-rancher-启动的-kubernetes-集群的-kubernetes-组件中" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>你可以使用集群选项中的<a href="/zh/reference-guides/cluster-configuration/rancher-server-configuration/rke1-cluster-configuration#rke-%E9%9B%86%E7%BE%A4%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6%E5%8F%82%E8%80%83">配置文件</a>选项来添加其他参数/绑定/环境变量。有关详细信息，请参阅 RKE 文档中的<a href="https://rancher.com/docs/rke/latest/en/config-options/services/services-extras/" target="_blank" rel="noopener noreferrer">其他参数、绑定和环境变量</a>，或浏览 <a href="https://rancher.com/docs/rke/latest/en/example-yamls/" target="_blank" rel="noopener noreferrer">Cluster.ymls 示例</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何检查证书链是否有效">如何检查证书链是否有效？<a href="#如何检查证书链是否有效" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>使用 <code>openssl verify</code> 命令来验证你的证书链：</p><div class="theme-admonition theme-admonition-tip alert alert--success admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>提示</div><div class="admonitionContent_S0QG"><p>将 <code>SSL_CERT_DIR</code> 和 <code>SSL_CERT_FILE</code> 配置到虚拟位置，从而确保在手动验证时不使用操作系统安装的证书。</p></div></div><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">SSL_CERT_DIR=/dummy SSL_CERT_FILE=/dummy openssl verify -CAfile ca.pem rancher.yourdomain.com.pem</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">rancher.yourdomain.com.pem: OK</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>如果你看到 <code>unable to get local issuer certificate</code> 错误，则表示链不完整。通常情况下，这表示你的服务器证书由中间 CA 颁发。如果你已经拥有此证书，你可以在证书的验证中使用它，如下所示：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">SSL_CERT_DIR=/dummy SSL_CERT_FILE=/dummy openssl verify -CAfile ca.pem -untrusted intermediate.pem rancher.yourdomain.com.pem</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">rancher.yourdomain.com.pem: OK</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>如果你已成功验证证书链，你需要在服务器证书中包含所需的中间 CA 证书，从而完成与 Rancher 连接的证书链（例如，使用 Rancher Agent）。服务器证书文件中证书的顺序首先是服务器证书本身（<code>rancher.yourdomain.com.pem</code> 的内容），然后是中间 CA 证书（<code>intermediate.pem</code> 的内容）：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">-----BEGIN CERTIFICATE-----</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">%YOUR_CERTIFICATE%</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">-----END CERTIFICATE-----</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">-----BEGIN CERTIFICATE-----</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">%YOUR_INTERMEDIATE_CERTIFICATE%</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">-----END CERTIFICATE-----</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>如果在验证过程中仍然出现错误，你可以运行以下命令，检索服务器证书的主题和颁发者：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">openssl x509 -noout -subject -issuer -in rancher.yourdomain.com.pem</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">subject= /C=GB/ST=England/O=Alice Ltd/CN=rancher.yourdomain.com</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">issuer= /C=GB/ST=England/O=Alice Ltd/CN=Alice Intermediate CA</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="如何在服务器证书中检查-common-name-和-subject-alternative-names">如何在服务器证书中检查 <code>Common Name</code> 和 <code>Subject Alternative Names</code>？<a href="#如何在服务器证书中检查-common-name-和-subject-alternative-names" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>虽然技术上仅需要 <code>Subject Alternative Names</code> 中有一个条目，但在 <code>Common Name</code> 和 <code>Subject Alternative Names</code> 中都包含主机名可以最大程度地提高与旧版浏览器/应用程序的兼容性。</p><p>检查 <code>Common Name</code>：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">openssl x509 -noout -subject -in cert.pem</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">subject= /CN=rancher.my.org</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>检查 <code>Subject Alternative Names</code>：</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">openssl x509 -noout -in cert.pem -text | grep DNS</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> DNS:rancher.my.org</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="为什么节点发生故障时重新调度一个-pod-需要-5-分钟以上的时间">为什么节点发生故障时重新调度一个 pod 需要 5 分钟以上的时间？<a href="#为什么节点发生故障时重新调度一个-pod-需要-5-分钟以上的时间" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>这是以下默认 Kubernetes 设置的组合导致的：</p><ul><li>kubelet<ul><li><code>node-status-update-frequency</code>：指定 kubelet 将节点状态发布到 master 的频率（默认 10s）。</li></ul></li><li>kube-controller-manager<ul><li><code>node-monitor-period</code>：在 NodeController 中同步 NodeStatus 的周期（默认 5s）。</li><li><code>node-monitor-grace-period</code>：在将节点标记为不健康之前，允许节点无响应的时间长度（默认 40s）。</li><li><code>pod-eviction-timeout</code>：在故障节点上删除 pod 的宽限期（默认 5m0s）。</li></ul></li></ul><p>有关这些设置的更多信息，请参阅 <a href="https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/" target="_blank" rel="noopener noreferrer">Kubernetes：kubelet</a> 和 <a href="https://kubernetes.io/docs/reference/command-line-tools-reference/kube-controller-manager/" target="_blank" rel="noopener noreferrer">Kubernetes：kube-controller-manager</a>。</p><p>Kubernetes 1.13 默认启用 <code>TaintBasedEvictions</code> 功能。有关详细信息，请参阅 <a href="https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/#taint-based-evictions" target="_blank" rel="noopener noreferrer">Kubernetes：基于污点的驱逐</a>。</p><ul><li>kube-apiserver（Kubernetes 1.13 及更高版本）<ul><li><code>default-not-ready-toleration-seconds</code>：表示 <code>notReady:NoExecute</code> 的容忍度的 <code>tolerationSeconds</code>，该设置默认添加到还没有该容忍度的 pod。</li><li><code>default-unreachable-toleration-seconds</code>：表示 <code>unreachable:NoExecute</code> 的容忍度的 <code>tolerationSeconds</code>，该设置默认添加到还没有该容忍度的 pod。</li></ul></li></ul><h3 class="anchor anchorWithStickyNavbar_LWe7" id="我可以在-ui-中使用键盘快捷键吗">我可以在 UI 中使用键盘快捷键吗？<a href="#我可以在-ui-中使用键盘快捷键吗" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接"></a></h3><p>是的，你可以使用键盘快捷键访问 UI 的大部分内容。要查看快捷方式的概览，请在 UI 任意位置按 <code>?</code>。</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/faq/technical-items.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>编辑此页</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">最后<!-- -->于 <b><time datetime="2023-06-05T21:20:47.000Z">2023年6月5日</time></b> <!-- -->更新</span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="文档分页导航"><a class="pagination-nav__link pagination-nav__link--prev" href="/zh/faq/dockershim"><div 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href="#为什么我的四层负载均衡器处于-pending-状态" class="table-of-contents__link toc-highlight">为什么我的四层负载均衡器处于 <code>Pending</code> 状态？</a></li><li><a href="#rancher-的状态存储在哪里" class="table-of-contents__link toc-highlight">Rancher 的状态存储在哪里？</a></li><li><a href="#支持的-docker-版本是如何确定的" class="table-of-contents__link toc-highlight">支持的 Docker 版本是如何确定的？</a></li><li><a href="#如何访问-rancher-创建的节点" class="table-of-contents__link toc-highlight">如何访问 Rancher 创建的节点？</a></li><li><a href="#如何在-rancher-中自动化任务-x" class="table-of-contents__link toc-highlight">如何在 Rancher 中自动化任务 X？</a></li><li><a href="#节点的-ip-地址改变了该如何恢复" class="table-of-contents__link toc-highlight">节点的 IP 地址改变了，该如何恢复？</a></li><li><a href="#如何将其他参数绑定环境变量添加到-rancher-启动的-kubernetes-集群的-kubernetes-组件中" class="table-of-contents__link toc-highlight">如何将其他参数/绑定/环境变量添加到 Rancher 启动的 Kubernetes 集群的 Kubernetes 组件中？</a></li><li><a href="#如何检查证书链是否有效" class="table-of-contents__link toc-highlight">如何检查证书链是否有效？</a></li><li><a href="#如何在服务器证书中检查-common-name-和-subject-alternative-names" class="table-of-contents__link toc-highlight">如何在服务器证书中检查 <code>Common Name</code> 和 <code>Subject Alternative Names</code>？</a></li><li><a href="#为什么节点发生故障时重新调度一个-pod-需要-5-分钟以上的时间" class="table-of-contents__link toc-highlight">为什么节点发生故障时重新调度一个 pod 需要 5 分钟以上的时间？</a></li><li><a href="#我可以在-ui-中使用键盘快捷键吗" class="table-of-contents__link toc-highlight">我可以在 UI 中使用键盘快捷键吗？</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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