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<title>使用 iPXE 通过网络安装 &mdash; Documentation for Clear Linux* project</title>
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<li class="toctree-l1"><a class="reference internal" href="../../get-started/index.html">开始使用</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../get-started/index.html#pre-install">安装前</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/compatibility-check.html">检查处理器和 EFI 固件的兼容性</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/compatibility-check.html#check-compatibility">检查兼容性</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/bootable-usb.html#create-a-bootable-usb-drive-on-linux">在 Linux* 上创建可引导 U 盘</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#system-requirements">系统要求</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#download-the-latest-cl-live-server-image">下载最新的 Clear Linux OS 实时服务器映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#install-cl-on-your-target-system">在目标系统上安装 Clear Linux OS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#launch-the-cl-installer">启动 Clear Linux OS 安装程序</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#minimum-installation-requirements">最低安装要求</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#main-menu">主菜单</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#navigation">导航</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#required-options">必填选项</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#advanced-options">高级选项</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/bare-metal-install-server.html#finish-installation">完成安装</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/install-configfile.html#process">流程</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/hyper-v.html">Microsoft Hyper-V* 上的 Clear Linux* OS</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/hyper-v.html#enable-hyper-v">启用 Hyper-V</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/hyper-v.html#create-a-virtual-network">创建虚拟网络</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/hyper-v.html#create-a-virtual-machine">创建虚拟机</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/kvm.html">KVM 上的 Clear Linux* OS</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/kvm.html#download-and-launch-the-virtual-machine">下载并开启虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/kvm.html#ssh-access-into-the-virtual-machine">通过 SSH 访问虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/kvm.html#optional-add-the-gnome-display-manager-gdm">可选：添加 GNOME Display Manager (GDM)</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html">VirtualBox* 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html#download-and-extract-the-cl-installer-iso">下载并解压缩 Clear Linux OS 安装程序 ISO</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html#create-a-new-vb-virtual-machine">创建新的 VirtualBox 虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html#install-cl-on-the-vb-vm">在 VirtualBox 虚拟机上安装 Clear Linux OS。</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/virtualbox-cl-installer.html#troubleshooting">故障检修</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html">VMware* Workstation Player 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#install-the-vmware-workstation-player-hypervisor">安装 VMware Workstation Player 虚拟机管理程序</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#download-the-latest-cl-installer">下载最新的 Clear Linux OS 安装程序</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#create-and-configure-a-new-vm">创建并配置新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#enable-uefi-boot-support">启用 UEFI 引导支持</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#install-cl-into-the-new-vm">将 Clear Linux OS 安装至新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#detach-the-cl-installer-iso-from-the-vm">从虚拟机断开 Clear Linux OS 安装程序 ISO</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#install-open-vm-tools">安装 open-vm-tools</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player.html#related-topics">相关主题</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html">VMware* Workstation Player （预配置映像）上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#install-the-vmware-workstation-player-hypervisor">安装 VMware Workstation Player 虚拟机管理程序</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#download-the-latest-cl-vmware-image">下载最新的 Clear Linux OS VMware 映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#decompress-and-verify-the-image">解压缩并验证映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#create-and-configure-a-new-vm">创建并配置新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#attach-the-pre-configured-cl-vmware-image">挂载预配置的 Clear Linux OS Vmware 映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#enable-uefi-boot-support">启用 UEFI 引导支持</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#power-on-the-vm">开启虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmw-player-preconf.html#related-topics">相关主题</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html">VMware* ESXi 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#download-the-latest-cl-installer-iso">下载最新的 Clear Linux OS 安装程序 ISO</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#upload-the-cl-installer-iso-to-the-vmware-server">将 Clear Linux OS 安装程序 ISO 上传至 VMware 服务器</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#create-and-configure-a-new-vm">创建并配置新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#install-cl-into-the-new-vm">将 Clear Linux OS 安装至新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#reconfigure-the-vm-s-settings-to-boot-the-newly-installed-cl">重新配置虚拟机设置，以引导新安装的 Clear Linux OS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#power-on-the-vm-and-boot-cl">开启虚拟机，引导 Clear Linux OS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-install-cl.html#related-topics">相关主题</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html">VMware* ESXi（预配置映像）上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#download-the-latest-cl-vmware-image">下载最新的 Clear Linux OS VMware 映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#upload-the-cl-image-to-the-vmware-server">将 Clear Linux OS 映像上传至 VMware 服务器</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#convert-the-cl-image-to-an-esxi-supported-format">将 Clear Linux OS 映像转换为 ESXi 支持的格式。</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#create-and-configure-a-new-vm">创建并配置新虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#power-on-the-vm-and-boot-cl">开启虚拟机，引导 Clear Linux OS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/virtual-machine-install/vmware-esxi-preconfigured-cl-image.html#related-topics">相关主题</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html">增加映像的虚拟磁盘大小</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html#determine-the-partition-order-and-sizes-of-the-prebuilt-image">确定预构建映像的分区顺序和大小。</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html#id2">增加虚拟盘大小</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../../get-started/index.html#deploy-to-the-cloud">部署到云</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html">Amazon Web Services* 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html#locate-select-and-launch-the-cl-basic-ami">找到、选择并启动 Clear Linux OS 基本 AMI</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html#connect-to-your-clear-linux-os-basic-instance">连接到 Clear Linux 操作系统基本实例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html#update-the-cl-instance">更新 Clear Linux OS 实例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/aws-web.html#stop-the-cl-instance">停止 Clear Linux OS 实例</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/cloud-install/azure.html">Microsoft* Azure* 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#install-ms-azure-cli-2-0-on-cl">在 Clear Linux OS 中安装 Microsoft Azure CLI 2.0</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#log-into-your-microsoft-azure-account">登录到您的 Microsoft Azure 帐户</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#create-a-ms-azure-resource-group">创建 Microsoft Azure 资源组</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#create-and-log-into-the-cl-virtual-machine">创建 Clear Linux OS 虚拟机并登录到该虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#stop-and-deallocate-the-cl-vm-and-resources">停止并取消分配 Clear Linux OS 虚拟机和资源</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/azure.html#next-steps">后续步骤</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/cloud-install/gce.html">Google Cloud Platform* 上的 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/gce.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/gce.html#setup-cl-vm-on-gcp">在 GCP 上安装 Clear Linux OS 虚拟机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/gce.html#related-topics">相关主题</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html">Clear Linux* OS on QingCloud* (如何在青云 QingCloud 上创建 Clear Linux OS 虚拟主机)</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#id2">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#qingcloud-cl">在 QingCloud 控制台中选择并启动 Clear Linux OS 虚拟主机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#ip">申请公网IP并添加到虚拟主机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#cl">连接到 Clear Linux OS 虚拟主机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#id3">删除 Clear Linux OS 虚拟主机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../../get-started/cloud-install/qingcloud.html#id4">删除申请的公网IP</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../../about.html">关于</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../about.html#release-cadence">发行节奏</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../clear/autoproxy.html#description">描述</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/autospec.html">autospec</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/autospec.html#description">描述</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../clear/autospec.html#test-packaged-software">测试封装后的软件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/autospec.html#references">参考</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/autospec.html#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/bundles.html">bundle 文件</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/bundles.html#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/compatible-kernels.html">内核</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/compatible-kernels.html#bare-metal-only">仅限裸机</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/compatible-kernels.html#also-compatible-with-vms">也与虚拟机兼容</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/compatible-kernels.html#vm-only">仅限虚拟机</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/debug.html">调试系统</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/debug.html#background">后台</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../clear/debug.html#implementation">实施</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/ister.html">ister.py image builder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/ister.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/ister.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/ister.html#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/mixer.html">mixer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/mixer.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/mixer.html#how-it-works">工作原理</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/mixer.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/mixer.html#references">参考</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/mixer.html#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/security.html">操作系统安全性</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/security.html#security-in-updates">更新方面的安全举措</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/security.html#security-in-software">软件方面的安全举措</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/security.html#security-in-system-design">系统设计方面的安全举措</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/stateless.html">无状态</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/stateless.html#file-level-separation">文件级隔离</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/stateless.html#software-configuration">软件配置</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/stateless.html#system-reset">系统重置</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/stateless.html#additional-information">附加说明</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../clear/swupd.html">swupd</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/swupd.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/swupd.html#how-it-works">工作原理</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/swupd.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/swupd.html#quick-reference">快速参考</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/swupd.html#related-topics">相关主题</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="../clear/telemetrics.html">遥测</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../clear/telemetrics.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/telemetrics.html#how-to-use">使用方法</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/telemetrics.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../clear/telemetrics.html#reference">参考</a></li>
</ul>
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<li class="toctree-l2"><a class="reference internal" href="../index.html#maintenance">维护</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/architect-lifecycle.html">设计 Clear Linux* OS 生命周期</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/architect-lifecycle.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/architect-lifecycle.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/architect-lifecycle.html#content-workflow">内容工作流程</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/architect-lifecycle.html#release-workflow">版本工作流程</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/architect-lifecycle.html#implementation">实施</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/assign-static-ip.html">分配静态 IP 地址</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/assign-static-ip.html#identify-which-program-is-managing-the-interface">确定哪个程序正在管理接口</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/assign-static-ip.html#using-networkmanager">使用 NetworkManager</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/assign-static-ip.html#using-systemd-networkd">使用 systemd-networkd</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/bulk-provision.html">批量供应</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/bulk-provision.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/bulk-provision.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/bulk-provision.html#configuration">配置</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/cpu-performance.html">CPU 功率和性能</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/cpu-performance.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/cpu-performance.html#cpu-power-saving-mechanisms">CPU 节能机制</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/cpu-performance.html#linux-cpu-clock-frequency-scaling">Linux CPU 时钟频率缩放</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/cpu-performance.html#thermal-management">散热管理</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/deploy-at-scale.html">大规模部署</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/deploy-at-scale.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/deploy-at-scale.html#pick-a-usage-and-update-strategy">选择使用和更新策略</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/deploy-at-scale.html#pick-an-image-distribution-strategy">选择映像分发策略</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/deploy-at-scale.html#considerations-with-stateless-systems">有关无状态系统的注意事项</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/developer-workstation.html">开发人员工作站</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/developer-workstation.html#workstation-setup">工作站设置</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/developer-workstation.html#swupd-search">swupd 搜索</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/developer-workstation.html#core-concepts">核心概念</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/download-verify-decompress.html">下载、验证并解压缩 Clear Linux* OS 映像，</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/download-verify-decompress.html#linux-os-steps">Linux 操作系统步骤</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/download-verify-decompress.html#macos-steps">macOS* 步骤</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/download-verify-decompress.html#windows-os-steps">Windows* 操作系统步骤</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/download-verify-decompress.html#image-types">映像类型</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/enable-user-space.html">创建并启用新的用户空间</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/enable-user-space.html#create-a-new-user">创建新用户</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/enable-user-space.html#add-the-new-user-to-the-wheel-group">将新用户添加到 wheel 组</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/enable-user-space.html#install-and-update-the-os-software-to-its-current-version">安装操作系统软件并将其更新到最新版本</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/enable-user-space.html#add-a-bundle">添加捆绑包</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/enable-user-space.html#next-steps">后续步骤</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/fix-broken-install.html">修复损坏的安装</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/fix-broken-install.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/fix-broken-install.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/fix-broken-install.html#boot-a-live-desktop-image-to-fix-target-system">引导实时桌面映像来修复目标系统</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/fix-broken-install.html#install-from-live-image">从实时映像安装</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/fix-broken-install.html#mount-root-partition-verify-and-fix">挂载根分区，然后验证并修复</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/hostname.html">修改主机名</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/hostname.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/hostname.html#set-your-hostname">设置主机名</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/hostname.html#view-your-hostname">查看主机名</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html">增加映像的虚拟磁盘大小</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html#determine-the-partition-order-and-sizes-of-the-prebuilt-image">确定预构建映像的分区顺序和大小。</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/increase-virtual-disk-size.html#id2">增加虚拟盘大小</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/query-upstream.html">从上游存储库查询软件包信息</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/query-upstream.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/query-upstream.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/query-upstream.html#configure-dnf">配置 DNF</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/query-upstream.html#dnf-command-usage-examples">DNF 命令用法示例</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/resource-limits.html">资源限制</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/resource-limits.html#system-wide-limits">系统范围限制</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/resource-limits.html#per-user-limits">每用户限制</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/resource-limits.html#service-limits">服务限制</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/restart.html">操作系统更新后重启系统服务</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#how-it-works">工作原理</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#basic-options">基本选项</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#monitor-options">监控选项</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#example">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#telemetry">遥测技术</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/restart.html#conclusion">总结</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/time.html">设置时间</a></li>
<li class="toctree-l3"><a class="reference internal" href="../maintenance/validate-signatures.html">验证签名</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/validate-signatures.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/validate-signatures.html#image-content-validation">映像内容验证</a></li>
<li class="toctree-l4"><a class="reference internal" href="../maintenance/validate-signatures.html#update-content-validation">更新内容验证</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2 current"><a class="reference internal" href="../index.html#network">网络</a><ul class="current">
<li class="toctree-l3"><a class="reference internal" href="custom-clear-container.html">根据 Docker 容器映像构建一个自定义 Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="custom-clear-container.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="custom-clear-container.html#build-the-base-container-image">构建基础容器映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="custom-clear-container.html#manage-bundles-in-a-container">管理容器中的捆绑包</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="dpdk.html">使用 DPDK 在平台之间发送数据包</a><ul>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#install-dpdk-and-build-l3fwd-example-platform-b">安装 dpdk 并构建 l3fwd 示例（平台 B）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#build-pktgen-platform-a">构建 pktgen（平台 A）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#bind-nics-to-dpdk-kernel-drivers-platforms-a-and-b">将网卡绑定到 DPDK 内核驱动程序（平台 A 和平台 B）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#set-hugepages-platforms-a-and-b">设置大页（平台 A 和 B）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#set-up-the-physical-environment-platforms-a-and-b">设置物理环境（平台 A 和 B）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#run-l3fwd-application-platform-b">运行 l3fwd 应用程序（平台 B）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#run-pktgen-application-platform-a">运行 pktgen 应用程序（平台 A）</a></li>
<li class="toctree-l4"><a class="reference internal" href="dpdk.html#appendix-a-use-pass-through-for-virtual-machines">附录 A：为虚拟机使用直通</a></li>
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<li class="toctree-l3 current"><a class="current reference internal" href="#">使用 iPXE 通过网络安装</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="#configuration">配置</a></li>
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<li class="toctree-l3"><a class="reference internal" href="network-bonding.html">使用网络捆绑聚合多个接口</a></li>
<li class="toctree-l3"><a class="reference internal" href="openssh-server.html">启用并配置 SSH 服务</a><ul>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#prerequisites">必备条件</a></li>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#change-default-port">更改默认端口</a></li>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#enable-sftp">启用 SFTP</a></li>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#enable-root-login">启用 root 登录</a></li>
<li class="toctree-l4"><a class="reference internal" href="openssh-server.html#enable-x11-forwarding">启用 X11 转发</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="vnc.html">使用 VNC 通过远程桌面连接到主机</a><ul>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#install-the-vnc-server-and-misc-components-on-your-host">在主机上安装 VNC 服务器和其他组件</a></li>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#configure-a-vnc-server-start-method-on-your-host">在主机上配置 VNC-server-start 方法</a></li>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#install-a-vnc-viewer-app-and-an-ssh-client-on-your-client-system">在客户端系统上安装一个 VNC 查看器应用程序和一个 SSH 客户端</a></li>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#establish-a-vnc-connection-to-your-host">与主机建立 VNC 连接</a></li>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#terminate-a-vnc-connection-to-your-host">终止与主机的 VNC 连接</a></li>
<li class="toctree-l4"><a class="reference internal" href="vnc.html#encrypt-vnc-traffic-through-an-ssh-tunnel">通过 SSH 隧道加密 VNC 流量</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../index.html#kernel">内核</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../kernel/kernel-development.html">内核开发</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#request-changes-be-included-with-the-cl-kernel">Clear Linux OS 内核中包含了请求变更</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#set-up-kernel-development-environment">设置内核开发环境</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#customize-the-linux-kernel-source">自定义 Linux 内核源代码</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#build-and-install-the-kernel">构建并安装内核</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-development.html#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../kernel/kernel-modules.html">手动添加内核模块</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#kernel-module-availability">内核模块可用性</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#build-install-and-load-an-out-of-tree-module">构建、安装和加载树外模块</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules.html#related-topic">相关主题</a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../kernel/kernel-modules-dkms.html">使用 DKMS 添加内核模块</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#description">描述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#kernel-module-availability">内核模块可用性</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#install-dkms">安装 DKMS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#build-install-and-load-an-out-of-tree-module">构建、安装和加载树外模块</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#examples">示例</a></li>
<li class="toctree-l4"><a class="reference internal" href="../kernel/kernel-modules-dkms.html#related-topics">相关主题</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../index.html#stacks">堆栈</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../stacks/dars.html">数据分析参考堆栈</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dars.html#the-data-analytics-reference-stack-release">数据分析参考堆栈版本</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dars.html#using-the-docker-images">使用 Docker 映像</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dars.html#building-dars-images">构建 DARS 映像</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../stacks/greengrass.html">启用 AWS Greengrass* 和 OpenVINO™ 工具包</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#supported-platforms">支持的平台</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#install-the-os-on-the-edge-device">在边缘设备上安装操作系统</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#configure-aws-greengrass-group">配置 AWS Greengrass 组</a></li>
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<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#configure-lambda-function">配置 Lambda 函数</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#deploy-lambda-function">部署 Lambda 函数</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/greengrass.html#references">参考</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../stacks/dlrs/dlrs.html">深度学习参考堆栈</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#overview">概述</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#tensorflow-single-and-multi-node-benchmarks">TensorFlow 单节点和多节点基准测试</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#pytorch-single-and-multi-node-benchmarks">PyTorch 单节点和多节点基准测试</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#kubeflow-multi-node-benchmarks">Kubeflow 多节点基准测试</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#use-jupyter-notebook">使用 Jupyter Notebook</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#uninstallation">卸载</a></li>
<li class="toctree-l4"><a class="reference internal" href="../stacks/dlrs/dlrs.html#related-topics">相关主题</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../../tutorials/index.html">Tutorials</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../../tutorials/apache-hadoop.html">Apache* Hadoop*</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/apache-hadoop.html#install-apache-hadoop">Install Apache Hadoop</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/apache-spark.html">Apache* Spark*</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/apache-spark.html#install-apache-spark">Install Apache Spark</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/dlrs.html">Deep Learning Reference Stack</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#tensorflow-single-and-multi-node-benchmarks">TensorFlow single and multi-node benchmarks</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#pytorch-single-and-multi-node-benchmarks">PyTorch single and multi-node benchmarks</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#kubeflow-multi-node-benchmarks">Kubeflow multi-node benchmarks</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#tensorflow-training-tfjob-with-kubeflow-and-dlrs">TensorFlow Training (TFJob) with Kubeflow and DLRS</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#pytorch-training-pytorch-job-with-kubeflow-and-dlrs">PyTorch Training (PyTorch Job) with Kubeflow and DLRS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../tutorials/dlrs.html#submitting-pytorch-jobs">Submitting PyTorch Jobs</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#using-kubeflow-seldon-and-openvino-with-the-deep-learning-reference-stack">Using Kubeflow Seldon and OpenVINO* with the Deep Learning Reference Stack</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../../tutorials/dlrs.html#pre-requisites">Pre-requisites</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#using-the-intel-openvino-model-optimizer">Using the Intel® OpenVINO Model Optimizer</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#using-the-openvino-inference-engine">Using the OpenVino Inference Engine</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#use-jupyter-notebook">Use Jupyter Notebook</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/dlrs.html#compiling-aixprt-with-openmp-on-dlrs">Compiling AIXPRT with OpenMP on DLRS</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/docker.html">Docker*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/docker.html#prerequisites">Prerequisites</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/flatpak.html">Flatpak*</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/flatpak.html#install-a-flatpak-app-with-gnome-software">Install a Flatpak app with Gnome Software</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/flatpak.html#install-a-flatpak-with-the-command-line">Install a Flatpak with the command line</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/fmv.html">Function multi-versioning</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/fmv.html#generate-the-fmv-patch">Generate the FMV patch</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/fmv.html#fft-project-example-using-fftw">FFT project example using FFTW</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/kata.html">Kata Containers*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kata.html#description">Description</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kata.html#run-kata-containers">Run Kata Containers</a></li>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kata.html#more-information-about-docker">More information about Docker</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/kubernetes.html">Kubernetes*</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kubernetes.html#install-pod-network-add-on">Install pod network add-on</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../../tutorials/kubernetes-bp.html">Kubernetes* Best Practices</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kubernetes-bp.html#use-swupd-to-update-clusters">Use swupd to update clusters</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../../tutorials/kubernetes-bp.html#update-the-control-plane">Update the control plane</a></li>
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<li>使用 iPXE 通过网络安装</li>
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<div class="section" id="install-over-the-network-with-ipxe">
<span id="ipxe-install"></span><h1>使用 iPXE 通过网络安装<a class="headerlink" href="#install-over-the-network-with-ipxe" title="永久链接至标题"></a></h1>
<p>本指南介绍如何通过网络使用 <abbr title="Pre-boot Execution Environment">PXE</abbr> 安装 Clear Linux* OS。</p>
<div class="contents local topic" id="id1">
<ul class="simple">
<li><a class="reference internal" href="#overview" id="id4">概述</a></li>
<li><a class="reference internal" href="#prerequisites" id="id5">必备条件</a></li>
<li><a class="reference internal" href="#configuration" id="id6">配置</a></li>
</ul>
</div>
<div class="section" id="overview">
<h2><a class="toc-backref" href="#id4">概述</a><a class="headerlink" href="#overview" title="永久链接至标题"></a></h2>
<p>PXE 是描述客户端-服务器与网络引导软件交互的行业标准，并使用 DHCP 和 TFTP 协议。本指南介绍了一种使用 PXE 环境安装 Clear Linux OS 的方法。</p>
<p>名为 <a class="reference external" href="http://ipxe.org/">iPXE</a> 的 PXE 扩展新增了对 HTTP、<abbr title="Internet Small Computer Systems Interface">iSCSI</abbr>、<abbr title="ATA over Ethernet*">AoE</abbr> 和 <abbr title="Fiber Channel over Ethernet*">FCoE</abbr> 等协议的支持。iPXE 支持在没有内置 PXE 支持的计算机上使用网络引导。</p>
<p>要通过 iPXE 安装 Clear Linux OS，必须创建一个 PXE 客户端。图 1 描述了 PXE 服务器和 PXE 客户端之间的信息流。</p>
<div class="figure" id="id2">
<img alt="PXE information flow" src="../../_images/network-boot-flow.png" />
<p class="caption"><span class="caption-text">图 1：PXE 信息流。</span></p>
</div>
<div class="admonition caution">
<p class="first admonition-title">警告</p>
<p class="last">通过 PXE 过程引导的 Clear Linux OS 映像会自动擦除 PXE 客户端系统上的所有数据和分区，并创建 3 个新分区来安装该映像。</p>
</div>
</div>
<div class="section" id="prerequisites">
<h2><a class="toc-backref" href="#id5">必备条件</a><a class="headerlink" href="#prerequisites" title="永久链接至标题"></a></h2>
<p>使用 iPXE 引导之前，请做好以下准备。</p>
<p>将 PXE 服务器和 PXE 客户端连接到专用网络上的交换机，如图 2 所示。</p>
<div class="figure" id="id3">
<img alt="Network topology" src="../../_images/network-boot-setup.png" />
<p class="caption"><span class="caption-text">图 2：网络拓扑。</span></p>
</div>
<p>在 PXE 客户端的引导顺序中，网络引导选项需要优先于磁盘引导选项。</p>
<p>PXE 服务器必须：</p>
<ul class="simple">
<li>具有以太网/局域网引导选项。</li>
<li>具有至少两个网络适配器。</li>
<li>连接到公共网络。</li>
<li>禁用安全引导选项。</li>
</ul>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">您必须在 BIOS 中禁用安全引导选项，因为用于引导 Clear Linux OS 的 UEFI 二进制文件未经签名。</p>
</div>
</div>
<div class="section" id="configuration">
<h2><a class="toc-backref" href="#id6">配置</a><a class="headerlink" href="#configuration" title="永久链接至标题"></a></h2>
<p>要使用 iPXE 自动设置 Clear Linux OS，请使用随 <abbr title="Ister Cloud Init Service">ICIS</abbr> 附带的 <code class="file docutils literal notranslate"><span class="pre">configure-ipxe.sh</span></code> 脚本。有关该脚本的其他说明，请参阅 <a class="reference external" href="https://github.com/clearlinux/ister-cloud-init-svc">ister-cloud-init-svc</a> GitHub* 存储库中的指南。</p>
<p>要手动设置 Clear Linux OS，请执行以下步骤。</p>
<ol class="arabic">
<li><p class="first">定义 iPXE 引导配置使用的变量。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">ipxe_app_name=ipxe</span>
<span class="go">ipxe_port=50000</span>
<span class="go">web_root=/var/www</span>
<span class="go">ipxe_root=$web_root/$ipxe_app_name</span>
<span class="go">tftp_root=/srv/tftp</span>
<span class="go">external_iface=eno1</span>
<span class="go">internal_iface=eno2</span>
<span class="go">pxe_subnet=192.168.1</span>
<span class="go">pxe_internal_ip=$pxe_subnet.1</span>
<span class="go">pxe_subnet_mask_ip=255.255.255.0</span>
<span class="go">pxe_subnet_bitmask=16</span>
</pre></div>
</div>
</li>
<li><p class="first">登录并获得 root 特权。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo -s
</pre></div>
</div>
</li>
<li><p class="first">将 <strong class="command">pxe-server</strong> 捆绑包添加到 Clear Linux OS 系统。该捆绑包含有运行 PXE 服务器所需的所有文件。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo swupd bundle-add pxe-server
</pre></div>
</div>
</li>
<li><p class="first">下载 Clear Linux OS 的最新网络引导版本，并提取文件。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo mkdir -p <span class="nv">$ipxe_root</span>
sudo curl -o /tmp/clear-pxe.tar.xz <span class="se">\</span>
https://cdn.download.clearlinux.org/current/clear-<span class="k">$(</span>curl <span class="se">\</span>
https://cdn.download.clearlinux.org/latest<span class="k">)</span>-pxe.tar.xz
sudo tar -xJf /tmp/clear-pxe.tar.xz -C <span class="nv">$ipxe_root</span>
sudo ln -sf <span class="k">$(</span>ls <span class="nv">$ipxe_root</span> <span class="p">|</span> grep <span class="s1">&#39;org.clearlinux.*&#39;</span><span class="k">)</span> <span class="nv">$ipxe_root</span>/linux
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">确保初始 ramdisk 文件命名为 <code class="file docutils literal notranslate"><span class="pre">initrd</span></code>，内核文件命名为 <code class="file docutils literal notranslate"><span class="pre">linux</span></code> （这是一个指向实际内核文件的符号链接）。</p>
</div>
</li>
<li><p class="first">创建包含以下内容的 iPXE 引导脚本。在 iPXE 引导过程中，iPXE 引导脚本会指示 PXE 客户端下载引导和安装 Clear Linux OS 所需的文件。使用先前提供给初始 ramdisk 和内核文件的名称。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo cat &gt; $ipxe_root/ipxe_boot_script.ipxe &lt;&lt; EOF</span>
<span class="gp">#</span>!ipxe
<span class="go">kernel linux quiet init=/usr/lib/systemd/systemd-bootchart \</span>
<span class="go">initcall_debug tsc=reliable no_timer_check noreplace-smp rw \</span>
<span class="go">initrd=initrd</span>
<span class="go">initrd initrd</span>
<span class="go">boot</span>
<span class="go">EOF</span>
</pre></div>
</div>
</li>
<li><p class="first"><strong class="command">pxe-server</strong> 捆绑包含一个名为 nginx 的轻量级 Web 服务器。为 nginx 创建一个配置文件，以便 Clear Linux OS 为 PXE 客户端提供以下内容：</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo mkdir -p /etc/nginx/conf.d</span>
<span class="go">sudo cat &gt; /etc/nginx/conf.d/$ipxe_app_name.conf &lt;&lt; EOF</span>
<span class="go">server {</span>
<span class="go"> listen $ipxe_port;</span>
<span class="go"> server_name localhost;</span>
<span class="go"> location /$ipxe_app_name/ {</span>
<span class="go"> root $web_root;</span>
<span class="go"> autoindex on;</span>
<span class="go"> }</span>
<span class="go">}</span>
<span class="go">EOF</span>
<span class="go">sudo cp /usr/share/nginx/conf/nginx.conf.example /etc/nginx/nginx.conf</span>
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">创建一个单独的 nginx 配置文件，以便在非标准端口号上提供网络引导映像。此操作会保存现有的 nginx 配置。</p>
</div>
</li>
<li><p class="first">启动 nginx 并启用引导时启动选项。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo systemctl start nginx
sudo systemctl <span class="nb">enable</span> nginx
</pre></div>
</div>
</li>
<li><p class="first"><strong class="command">pxe-server</strong> 捆绑包包含一个轻量级 DNS 服务器，该服务器与 <cite>systemd-resolved</cite> 中提供的 DNS 存根侦听器冲突。请禁用 DNS 存根侦听器，并暂时停止 <cite>systemd-resolved</cite>。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo mkdir -p /etc/systemd</span>
<span class="go">sudo cat &gt; /etc/systemd/resolved.conf &lt;&lt; EOF</span>
<span class="go">[Resolve]</span>
<span class="go">DNSStubListener=no</span>
<span class="go">EOF</span>
<span class="go">sudo systemctl stop systemd-resolved</span>
</pre></div>
</div>
</li>
<li><p class="first">为专用网络的网络适配器分配一个静态 IP 地址，并使用以下命令重新启动 <cite>systemd-networkd</cite>：</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo mkdir -p /etc/systemd/network</span>
<span class="go">sudo cat &gt; /etc/systemd/network/70-internal-static.network &lt;&lt; EOF</span>
<span class="go">[Match]</span>
<span class="go">Name=$internal_iface</span>
<span class="go">[Network]</span>
<span class="go">DHCP=no</span>
<span class="go">Address=$pxe_internal_ip/$pxe_subnet_bitmask</span>
<span class="go">EOF</span>
<span class="go">sudo systemctl restart systemd-networkd</span>
</pre></div>
</div>
</li>
<li><p class="first">配置 <abbr title="Network Address Translation">NAT</abbr>，将流量从专用网络路由到公共网络。此操作会让 PXE 服务器充当路由器。要使这些更改在重启期间保持不变，请使用以下命令将更改保存到防火墙：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo iptables -t nat -F POSTROUTING
sudo iptables -t nat -A POSTROUTING -o <span class="nv">$external_iface</span> -j MASQUERADE
sudo systemctl <span class="nb">enable</span> iptables-save.service
sudo systemctl restart iptables-save.service
sudo systemctl <span class="nb">enable</span> iptables-restore.service
sudo systemctl restart iptables-restore.service
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">防火墙会遮掩数据包，使其看起来像来自 PXE 服务器，并对公共网络隐藏 PXE 客户端。</p>
</div>
</li>
<li><p class="first">配置内核，将网络数据包转发到不同的接口。否则，NAT 将不起作用。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo mkdir -p /etc/sysctl.d
sudo <span class="nb">echo</span> net.ipv4.ip_forward<span class="o">=</span><span class="m">1</span> &gt; /etc/sysctl.d/80-nat-forwarding.conf
sudo <span class="nb">echo</span> <span class="m">1</span> &gt; /proc/sys/net/ipv4/ip_forward
</pre></div>
</div>
</li>
<li><p class="first"><strong class="command">pxe-server</strong> 捆绑包包含 iPXE 固件映像，这些映像允许没有 iPXE 实现的计算机执行 iPXE 引导。创建一个 TFTP 托管目录，并用以下命令用 iPXE 固件映像填充该目录：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo mkdir -p <span class="nv">$tftp_root</span>
sudo ln -sf /usr/share/ipxe/undionly.kpxe <span class="nv">$tftp_root</span>/undionly.kpxe
</pre></div>
</div>
</li>
<li><p class="first"><strong class="command">pxe-server</strong> 捆绑包包含一个名为 <cite>dnsmasq</cite> 的轻量级 TFTP、DNS 和 DHCP 服务器。为 <cite>dnsmasq</cite> 创建一个配置文件，以便监听这些功能的专用 IP 地址。专用网络上的 PXE 客户端将使用此 IP 地址。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo cat &gt; /etc/dnsmasq.conf &lt;&lt; EOF</span>
<span class="go">listen-address=$pxe_internal_ip</span>
<span class="go">EOF</span>
</pre></div>
</div>
</li>
<li><p class="first">将通过 TFTP 向 PXE 客户端提供 iPXE 固件映像的选项添加到 <cite>dnsmasq</cite> 配置文件中。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo cat &gt;&gt; /etc/dnsmasq.conf &lt;&lt; EOF</span>
<span class="go">enable-tftp</span>
<span class="go">tftp-root=$tftp_root</span>
<span class="go">EOF</span>
</pre></div>
</div>
</li>
<li><p class="first">将为 PXE 客户端托管 DHCP 服务器的选项添加到 <cite>dnsmasq</cite> 配置文件中。</p>
<div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="go">sudo cat &gt;&gt; /etc/dnsmasq.conf &lt;&lt; EOF</span>
<span class="go">dhcp-leasefile=/var/db/dnsmasq.leases</span>
<span class="go">dhcp-authoritative</span>
<span class="gp">dhcp-option=option:router,$</span>pxe_internal_ip
<span class="gp">dhcp-option=option:dns-server,$</span>pxe_internal_ip
<span class="go">dhcp-match=set:pxeclient,60,PXEClient*</span>
<span class="gp">dhcp-range=tag:pxeclient,$pxe_subnet.2,$pxe_subnet.253,$</span>pxe_subnet_mask_ip,15m
<span class="gp">dhcp-range=tag:!pxeclient,$pxe_subnet.2,$pxe_subnet.253,$</span>pxe_subnet_mask_ip,6h
<span class="go">dhcp-match=set:ipxeboot,175</span>
<span class="gp">dhcp-boot=tag:ipxeboot,http://$pxe_internal_ip:$ipxe_port/$</span>ipxe_app_name/ipxe_boot_script.ipxe
<span class="gp">dhcp-boot=tag:!ipxeboot,undionly.kpxe,$</span>pxe_internal_ip
<span class="go">EOF</span>
</pre></div>
</div>
<p>该配置提供以下重要功能：</p>
<ul class="simple">
<li>将没有 iPXE 实现的 PXE 客户端定向到 TFTP 服务器，以获取特定于体系结构的 iPXE 固件映像，从而允许这些客户端执行 iPXE 引导。</li>
<li>仅在具有指定子网中 IP 地址的网络适配器上激活。</li>
<li>将 PXE 客户端定向到 DNS 服务器。</li>
<li>将 PXE 客户端定向到 PXE 服务器，以便通过 NAT 进行路由。</li>
<li>将专用网络分成两个 IP 地址池。一个地址池用于网络引导，一个地址池在引导后使用。每个地址池都有自己的租赁时间。</li>
</ul>
</li>
<li><p class="first">为 <cite>dnsmasq</cite> 创建一个文件，记录它向 PXE 客户端提供的 IP 地址。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo mkdir -p /var/db
sudo touch /var/db/dnsmasq.leases
</pre></div>
</div>
</li>
<li><p class="first">启动 <cite>dnsmasq</cite> 并启用引导时启动。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo systemctl <span class="nb">enable</span> dnsmasq
sudo systemctl restart dnsmasq
</pre></div>
</div>
</li>
<li><p class="first">启动 <cite>systemd-resolved</cite>。</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo systemctl start systemd-resolved
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">如果使用 <cite>dnsmasq</cite> DNS 服务器，<cite>systemd-resolved</cite> 会动态更新专用网络的 DNS 服务器列表。该设置会创建一个直通 DNS 服务器，该服务器依赖于 <code class="file docutils literal notranslate"><span class="pre">/etc/resolv.conf</span></code> 中列出的 DNS 服务器。</p>
</div>
</li>
<li><p class="first">打开 PXE 客户端的电源，观看客户端引导并安装 Clear Linux OS。</p>
<p>引导后，Clear Linux OS 会自动对硬盘分区，自行安装，更新到最新版本，然后重新引导。</p>
</li>
</ol>
<p>祝贺您！您已成功安装并配置了 PXE 服务器，使 PXE 客户端能够通过网络引导并安装 Clear Linux OS。</p>
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