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<title>Set up a standalone cluster system using Apache* Spark* &mdash; Documentation for Clear Linux* project</title>
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<li class="toctree-l3"><a class="reference internal" href="../get-started/virtual-machine-install/kvm.html">运行 Clear Linux* OS，用作 KVM 来宾操作系统</a><ul>
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<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>
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<li class="toctree-l3"><a class="reference internal" href="../get-started/virtual-machine-install/virtualbox-cl-installer.html">在 VirtualBox* 中安装 Clear Linux* OS 虚拟机</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">故障排除</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../get-started/virtual-machine-install/vmw-player.html">安装 Clear Linux* OS 用作 Vmware* Workstation Player 来宾操作系统</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#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#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#related-topics">相关主题</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../get-started/virtual-machine-install/vmw-player-preconf.html">运行预配置的 Clear Linux* OS 映像，用作 VMware* Workstation Player 来宾操作系统</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#image-types">映像类型</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">安装 Clear Linux* OS，用作 VMware* ESXi 来宾操作系统</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">Run preconfigured Clear Linux* OS image as a VMware* ESXi guest 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="../guides/maintenance/increase-virtual-disk-size.html">增加图像的虚拟磁盘大小</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/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="../guides/maintenance/increase-virtual-disk-size.html#id2">增加虚拟磁盘大小</a></li>
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</ul>
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<li class="toctree-l2"><a class="reference internal" href="../guides/guides.html#clear-linux">Clear Linux</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/autoproxy.html">Autoproxy</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autoproxy.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autoproxy.html#how-it-works">How it works</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../guides/clear/autospec.html">autospec</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#how-it-works">How it works</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#test-packaged-software">Test packaged software</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#references">References</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/autospec.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/compatible-kernels.html">Kernels</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/compatible-kernels.html#bare-metal-only">Bare metal only</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/compatible-kernels.html#also-compatible-with-vms">Also compatible with VMs</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/compatible-kernels.html#vm-only">VM only</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/debug.html">Debug system</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/debug.html#background">Background</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/debug.html#usage">Usage</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/debug.html#implementation">Implementation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/ister.html">ister.py image builder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/ister.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/ister.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/ister.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/mixer.html">mixer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/mixer.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/mixer.html#how-it-works">How it works</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/mixer.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/mixer.html#references">References</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/mixer.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/security.html">OS Security</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/security.html#security-in-updates">Security in updates</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/security.html#security-in-software">Security in software</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/security.html#security-in-system-design">Security in system design</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/stateless.html">Stateless</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/stateless.html#file-level-separation">File-level separation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/stateless.html#software-configuration">Software configuration</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/stateless.html#system-reset">System reset</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/stateless.html#additional-information">Additional information</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/clear/swupd-guide.html">swupd</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/swupd-guide.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/swupd-guide.html#how-it-works">How it works</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/swupd-guide.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/swupd-guide.html#quick-reference">Quick reference</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/clear/swupd-guide.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/telemetrics/telem-guide.html">Telemetrics</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/telemetrics/telem-guide.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/telemetrics/telem-guide.html#how-to-use">How to use</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/telemetrics/telem-guide.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/telemetrics/telem-guide.html#reference">Reference</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../guides/guides.html#maintenance">Maintenance</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html">Architect the life-cycle of Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html#content-workflow">Content Workflow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html#release-workflow">Release Workflow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/architect-lifecycle.html#implementation">Implementation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/assign-static-ip.html">Assign a static IP address</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/assign-static-ip.html#identify-which-program-is-managing-the-interface">Identify which program is managing the interface</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/assign-static-ip.html#using-networkmanager">Using NetworkManager</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/assign-static-ip.html#using-systemd-networkd">Using systemd-networkd</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/bulk-provision.html">Bulk provision</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/bulk-provision.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/bulk-provision.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/bulk-provision.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/cpu-performance.html">CPU Power and Performance</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/cpu-performance.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/cpu-performance.html#cpu-power-saving-mechanisms">CPU power saving mechanisms</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/cpu-performance.html#linux-cpu-clock-frequency-scaling">Linux CPU clock frequency scaling</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/cpu-performance.html#thermal-management">Thermal management</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/developer-workstation.html">Developer Workstation</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/developer-workstation.html#workstation-setup">Workstation Setup</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/developer-workstation.html#swupd-search">swupd search</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/developer-workstation.html#core-concepts">Core Concepts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/download-verify-decompress.html">Download, verify, and decompress a Clear Linux* OS image</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/download-verify-decompress.html#linux-os-steps">Linux OS steps</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/download-verify-decompress.html#macos-steps">macOS* steps</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/download-verify-decompress.html#windows-os-steps">Windows* OS steps</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/download-verify-decompress.html#image-types">Image types</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/enable-user-space.html">Create and enable a new user space</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/enable-user-space.html#create-a-new-user">Create a new user</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/enable-user-space.html#add-the-new-user-to-the-wheel-group">Add the new user to the <em>wheel</em> group</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/enable-user-space.html#install-and-update-the-os-software-to-its-current-version">Install and update the OS software to its current version</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/enable-user-space.html#add-a-bundle">Add a bundle</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/enable-user-space.html#next-steps">Next steps</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html">Fix a broken installation</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html#boot-a-live-desktop-image-to-fix-target-system">Boot a live desktop image to fix target system</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html#install-from-live-image">Install from live image</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/fix-broken-install.html#mount-root-partition-verify-and-fix">Mount root partition, verify, and fix</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/hostname.html">Modify hostname</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/hostname.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/hostname.html#set-your-hostname">Set your hostname</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/hostname.html#view-your-hostname">View your hostname</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/increase-virtual-disk-size.html">增加图像的虚拟磁盘大小</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/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="../guides/maintenance/increase-virtual-disk-size.html#id2">增加虚拟磁盘大小</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/query-upstream.html">Query package info from upstream repository</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/query-upstream.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/query-upstream.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/query-upstream.html#configure-dnf">Configure DNF</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/query-upstream.html#dnf-command-usage-examples">DNF command usage examples</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/resource-limits.html">Resource limits</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/resource-limits.html#system-wide-limits">System-wide limits</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/resource-limits.html#per-user-limits">Per-user limits</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/resource-limits.html#service-limits">Service limits</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/restart.html">Restart system services after an OS update</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#how-it-works">How it works</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#basic-options">Basic options</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#monitor-options">Monitor options</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#example">Example</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#telemetry">Telemetry</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/restart.html#conclusion">Conclusion</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/time.html">Set the time</a></li>
<li class="toctree-l3"><a class="reference internal" href="../guides/maintenance/validate-signatures.html">Validate signatures</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/validate-signatures.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/validate-signatures.html#image-content-validation">Image content validation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/maintenance/validate-signatures.html#update-content-validation">Update content validation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/deploy-at-scale.html">Deploy at Scale</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/deploy-at-scale.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/deploy-at-scale.html#pick-a-usage-and-update-strategy">Pick a usage and update strategy</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/deploy-at-scale.html#pick-an-image-distribution-strategy">Pick an image distribution strategy</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/deploy-at-scale.html#considerations-with-stateless-systems">Considerations with stateless systems</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../guides/guides.html#network">Network</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../guides/network/custom-clear-container.html">Build a custom Clear Linux* OS based Docker container image</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/custom-clear-container.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/custom-clear-container.html#build-the-base-container-image">Build the base container image</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/custom-clear-container.html#manage-bundles-in-a-container">Manage bundles in a container</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/network/dpdk.html">Use DPDK to send packets between platforms</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#install-dpdk-and-build-l3fwd-example-platform-b">Install dpdk and build l3fwd example (Platform B)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#build-pktgen-platform-a">Build pktgen (Platform A)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#bind-nics-to-dpdk-kernel-drivers-platforms-a-and-b">Bind NICs to DPDK kernel drivers (Platforms A and B)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#set-hugepages-platforms-a-and-b">Set hugepages (Platforms A and B)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#set-up-the-physical-environment-platforms-a-and-b">Set up the physical environment (Platforms A and B)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#run-l3fwd-application-platform-b">Run l3fwd application (Platform B)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#run-pktgen-application-platform-a">Run pktgen application (Platform A)</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/dpdk.html#appendix-a-use-pass-through-for-virtual-machines">Appendix A: Use pass-through for virtual machines</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/network/ipxe-install.html">Install over the network with iPXE</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/ipxe-install.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/ipxe-install.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/ipxe-install.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/network/network-bonding.html">Combine multiple interfaces with network bonding</a></li>
<li class="toctree-l3"><a class="reference internal" href="../guides/network/vnc.html">Remote-desktop to a host using VNC</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#install-the-vnc-server-and-misc-components-on-your-host">Install the VNC server and misc. components on your host</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#configure-a-vnc-server-start-method-on-your-host">Configure a VNC-server-start method on your host</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#install-a-vnc-viewer-app-and-an-ssh-client-on-your-client-system">Install a VNC viewer app and an SSH client on your client system</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#establish-a-vnc-connection-to-your-host">Establish a VNC connection to your host</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#terminate-a-vnc-connection-to-your-host">Terminate a VNC connection to your host</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/network/vnc.html#encrypt-vnc-traffic-through-an-ssh-tunnel">Encrypt VNC traffic through an SSH tunnel</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../guides/guides.html#kernel">Kernel</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../guides/kernel/kernel-development.html">Kernel development</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#request-changes-be-included-with-the-cl-kernel">Request changes be included with the Clear Linux OS kernel</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#set-up-kernel-development-environment">Set up kernel development environment</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#customize-the-linux-kernel-source">Customize the Linux kernel source</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#build-and-install-the-kernel">Build and install the kernel</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-development.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/kernel/kernel-modules.html">Add kernel modules manually</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#kernel-module-availability">Kernel module availability</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#build-install-and-load-an-out-of-tree-module">Build, install, and load an out-of-tree module</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules.html#related-topic">Related topic</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html">Add kernel modules with DKMS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#description">Description</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#kernel-module-availability">Kernel module availability</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#install-dkms">Install DKMS</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#build-install-and-load-an-out-of-tree-module">Build, install, and load an out-of-tree module</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/kernel/kernel-modules-dkms.html#related-topics">Related topics</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../guides/guides.html#stacks">Stacks</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../guides/stacks/dars.html">Data Analytics Reference Stack</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dars.html#the-data-analytics-reference-stack-release">The Data Analytics Reference Stack release</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dars.html#using-the-docker-images">Using the Docker images</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dars.html#building-dars-images">Building DARS images</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/stacks/greengrass.html">Enable AWS Greengrass* and OpenVINO™ toolkit</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#supported-platforms">Supported platforms</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#install-the-os-on-the-edge-device">Install the OS on the edge device</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#configure-aws-greengrass-group">Configure AWS Greengrass group</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#create-and-package-lambda-function">Create and package Lambda function</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#configure-lambda-function">Configure Lambda function</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#deploy-lambda-function">Deploy Lambda function</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/greengrass.html#references">References</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html">Deep Learning Reference Stack</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#overview">Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#tensorflow-single-and-multi-node-benchmarks">TensorFlow single and multi-node benchmarks</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#pytorch-single-and-multi-node-benchmarks">PyTorch single and multi-node benchmarks</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#kubeflow-multi-node-benchmarks">Kubeflow multi-node benchmarks</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#use-jupyter-notebook">Use Jupyter Notebook</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#uninstallation">Uninstallation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../guides/stacks/dlrs/dlrs.html#related-topics">Related topics</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1 current"><a class="reference internal" href="tutorials.html">Tutorials</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="wordpress/wordpress.html">WordPress* on Clear Linux* OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="wordpress/web-server-install.html">Set up a LAMP web server on Clear Linux* OS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#install-apache">Install Apache</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#change-the-default-configuration-and-data-directory">Change the default configuration and data directory</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#install-php">Install PHP</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#install-mariadb">Install MariaDB</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#install-phpmyadmin">Install phpMyAdmin</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#use-phpmyadmin-to-manage-a-database">Use phpMyAdmin to manage a database</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/web-server-install.html#next-steps">Next steps</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="wordpress/wp-install.html">Set up WordPress* on a LAMP web server</a><ul>
<li class="toctree-l4"><a class="reference internal" href="wordpress/wp-install.html#before-you-begin">Before you begin</a></li>
<li class="toctree-l4"><a class="reference internal" href="wordpress/wp-install.html#create-a-wordpress-server">Create a WordPress server</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="flatpak/flatpak.html">Use Flatpak* to install applications on Clear Linux* OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="flatpak/flatpak.html#before-you-begin">Before you begin</a><ul>
<li class="toctree-l4"><a class="reference internal" href="flatpak/flatpak.html#install-flatpak-on-your-host-system">Install Flatpak on your host system</a></li>
<li class="toctree-l4"><a class="reference internal" href="flatpak/flatpak.html#install-and-run-the-libreoffice-flatpak-image">Install and run the LibreOffice Flatpak image</a></li>
<li class="toctree-l4"><a class="reference internal" href="flatpak/flatpak.html#launch-libreoffice">Launch LibreOffice</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="machine-learning/machine-learning.html">TensorFlow* machine learning on Clear Linux* OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="machine-learning/machine-learning.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="machine-learning/machine-learning.html#set-up-a-jupyter-notebook">Set up a Jupyter notebook</a></li>
<li class="toctree-l3"><a class="reference internal" href="machine-learning/machine-learning.html#run-the-jupyter-machine-learning-example-code">Run the Jupyter machine learning example code</a></li>
<li class="toctree-l3"><a class="reference internal" href="machine-learning/machine-learning.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="docker/docker.html">Run Docker* on Clear Linux* OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#install-the-containers-basic-bundle">Install the containers-basic bundle</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#integration-with-kata-containers-optional">Integration with Kata Containers* (optional)</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#additional-docker-configuration">Additional Docker configuration</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#pulling-and-running-an-image-from-docker-hub">Pulling and running an image from Docker Hub</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#creating-a-docker-swarm-cluster">Creating a Docker swarm cluster</a></li>
<li class="toctree-l3"><a class="reference internal" href="docker/docker.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="azure.html">Run Clear Linux* OS using Microsoft Azure CLI 2.0</a><ul>
<li class="toctree-l3"><a class="reference internal" href="azure.html#install-ms-azure-cli-2-0-on-cl">Install MS Azure CLI 2.0 on Clear Linux OS</a></li>
<li class="toctree-l3"><a class="reference internal" href="azure.html#log-into-your-microsoft-azure-account">Log into your Microsoft Azure account</a></li>
<li class="toctree-l3"><a class="reference internal" href="azure.html#create-a-ms-azure-resource-group">Create a MS Azure resource group</a></li>
<li class="toctree-l3"><a class="reference internal" href="azure.html#create-and-log-into-the-cl-virtual-machine">Create and log into the Clear Linux OS virtual machine</a></li>
<li class="toctree-l3"><a class="reference internal" href="azure.html#stop-and-deallocate-the-cl-vm-and-resources">Stop and deallocate the Clear Linux OS VM and resources</a></li>
<li class="toctree-l3"><a class="reference internal" href="azure.html#next-steps">Next steps</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="hadoop.html">Set up a single node cluster with Hadoop*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#install-apache-hadoop">Install Apache Hadoop</a></li>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#configure-apache-hadoop">Configure Apache Hadoop</a></li>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#configure-your-ssh-key">Configure your SSH key</a></li>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#run-the-hadoop-daemons">Run the Hadoop daemons</a></li>
<li class="toctree-l3"><a class="reference internal" href="hadoop.html#run-the-mapreduce-wordcount-example">Run the MapReduce wordcount example</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="fmv.html">Use the function multi-version patch generator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="fmv.html#install-and-configure-a-cl-host-on-bare-metal">Install and configure a Clear Linux OS host on bare metal</a></li>
<li class="toctree-l3"><a class="reference internal" href="fmv.html#detect-loop-vectorization-candidates">Detect loop vectorization candidates</a></li>
<li class="toctree-l3"><a class="reference internal" href="fmv.html#generate-the-fmv-patch">Generate the FMV patch</a></li>
<li class="toctree-l3"><a class="reference internal" href="fmv.html#fft-project-example-using-fftw">FFT project example using FFTW</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="aws-web/aws-web.html">Create and launch Clear Linux* OS from Amazon Web Services</a><ul>
<li class="toctree-l3"><a class="reference internal" href="aws-web/aws-web.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="aws-web/aws-web.html#locate-select-and-launch-the-cl-basic-ami">Locate, select, and launch the Clear Linux OS Basic AMI</a></li>
<li class="toctree-l3"><a class="reference internal" href="aws-web/aws-web.html#connect-to-your-clear-linux-os-basic-instance">Connect to your Clear Linux OS Basic instance</a></li>
<li class="toctree-l3"><a class="reference internal" href="aws-web/aws-web.html#update-the-cl-instance">Update the Clear Linux OS instance</a></li>
<li class="toctree-l3"><a class="reference internal" href="aws-web/aws-web.html#stop-the-cl-instance">Stop the Clear Linux OS instance</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="smb/smb.html">Enable simple file sharing with a Windows* machine using Samba*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="smb/smb.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="smb/smb.html#set-up-file-sharing">Set up file sharing</a></li>
<li class="toctree-l3"><a class="reference internal" href="smb/smb.html#map-cl-drive-in-windows">Map Clear Linux OS drive in Windows</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="smb/smb-desktop.html">Connect to Windows* shared location from Clear Linux* OS desktop</a><ul>
<li class="toctree-l3"><a class="reference internal" href="smb/smb-desktop.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="smb/smb-desktop.html#connect-to-windows-shared-location-with-nautilus">Connect to Windows shared location with Nautilus</a></li>
</ul>
</li>
<li class="toctree-l2 current"><a class="current reference internal" href="#">Set up a standalone cluster system using Apache* Spark*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="#install-apache-spark">Install Apache Spark</a></li>
<li class="toctree-l3"><a class="reference internal" href="#configure-apache-spark">Configure Apache Spark</a></li>
<li class="toctree-l3"><a class="reference internal" href="#start-the-master-server-and-a-worker-daemon">Start the master server and a worker daemon</a></li>
<li class="toctree-l3"><a class="reference internal" href="#run-the-spark-wordcount-example">Run the Spark wordcount example</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="kata.html">Install Kata Containers*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="kata.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata.html#id1">Install Kata Containers</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata.html#run-kata-containers">Run Kata Containers</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata.html#more-information-about-docker">More information about Docker</a><ul>
<li class="toctree-l4"><a class="reference internal" href="kata.html#troubleshooting">Troubleshooting</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="kata_migration.html">Migrate Clear Containers to Kata Containers*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="kata_migration.html#stop-clear-containers-instances">Stop Clear Containers instances</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata_migration.html#manually-migrate-customized-configuration-files">Manually migrate customized configuration files</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata_migration.html#enable-kata-containers-as-default">Enable Kata Containers as default</a></li>
<li class="toctree-l3"><a class="reference internal" href="kata_migration.html#run-kata-containers">Run Kata Containers</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="kubernetes/kubernetes.html">Run Kubernetes*</a><ul>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#install-kubernetes-and-cri-runtimes">Install Kubernetes and CRI runtimes</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#configure-kubernetes">Configure Kubernetes</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#configure-and-run-kubernetes">Configure and run Kubernetes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="kubernetes/kubernetes.html#configure-and-run-cri-o-kata-runtime">Configure and run CRI-O + kata-runtime</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#install-pod-network-add-on">Install pod network add-on</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#use-your-cluster">Use your cluster</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#related-topics">Related topics</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#cloud-native-setup-automation-optional">Cloud native setup automation (optional)</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#package-configuration-customization-optional">Package configuration customization (optional)</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#proxy-configuration-optional">Proxy configuration (optional)</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#next-steps">Next steps</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes.html#troubleshooting">Troubleshooting</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="kubernetes/kubernetes-bp.html">Kubernetes Best Practices on Clear Linux OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes-bp.html#use-swupd-to-update-clusters">Use swupd to update clusters</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes-bp.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes-bp.html#update-the-control-plane">Update the control plane</a></li>
<li class="toctree-l3"><a class="reference internal" href="kubernetes/kubernetes-bp.html#update-worker-nodes">Update worker nodes</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="yubikey-u2f.html">Enable YubiKey U2F Support</a><ul>
<li class="toctree-l3"><a class="reference internal" href="yubikey-u2f.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="yubikey-u2f.html#enable-linux-udev-rules-for-yubikey">Enable Linux udev rules for YubiKey</a></li>
<li class="toctree-l3"><a class="reference internal" href="yubikey-u2f.html#enable-u2f-in-mozilla-firefox">Enable U2F in Mozilla Firefox</a></li>
<li class="toctree-l3"><a class="reference internal" href="yubikey-u2f.html#related-topics">Related topics</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="nvidia.html">Install NVIDIA* Drivers</a><ul>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#install-dkms">Install DKMS</a></li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#download-and-install-the-nvidia-drivers">Download and install the NVIDIA drivers</a><ul>
<li class="toctree-l4"><a class="reference internal" href="nvidia.html#download-the-nvidia-drivers-for-linux">Download the NVIDIA drivers for Linux</a></li>
<li class="toctree-l4"><a class="reference internal" href="nvidia.html#disable-the-nouveau-driver">Disable the nouveau driver</a></li>
<li class="toctree-l4"><a class="reference internal" href="nvidia.html#configure-alternative-software-paths">Configure alternative software paths</a></li>
<li class="toctree-l4"><a class="reference internal" href="nvidia.html#install-the-nvidia-drivers">Install the NVIDIA drivers</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#updating-the-nvidia-drivers">Updating the NVIDIA drivers</a></li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#uninstalling-the-nvidia-drivers">Uninstalling the NVIDIA drivers</a></li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#debugging-installation-of-nvidia-drivers">Debugging installation of NVIDIA drivers</a></li>
<li class="toctree-l3"><a class="reference internal" href="nvidia.html#additional-resources">Additional resources</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="redis.html">Run Redis on Clear Linux* OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="redis.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="redis.html#install-the-redis-bundle">Install the redis bundle</a></li>
<li class="toctree-l3"><a class="reference internal" href="redis.html#start-the-redis-server">Start the redis-server</a></li>
<li class="toctree-l3"><a class="reference internal" href="redis.html#example-1-use-the-redis-cli-and-try-commands">Example 1: Use the redis-cli and try commands</a></li>
<li class="toctree-l3"><a class="reference internal" href="redis.html#example-2-run-the-cl-redis-docker-image">Example 2: Run the Clear Linux OS redis docker image</a></li>
<li class="toctree-l3"><a class="reference internal" href="redis.html#next-steps">Next Steps</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="tutorial-proxy.html">Setting up proxy</a><ul>
<li class="toctree-l3"><a class="reference internal" href="tutorial-proxy.html#prerequisites">Prerequisites</a></li>
<li class="toctree-l3"><a class="reference internal" href="tutorial-proxy.html#shells-and-programs-in-a-desktop-session">Shells and programs in a desktop session</a><ul>
<li class="toctree-l4"><a class="reference internal" href="tutorial-proxy.html#terminal">Terminal</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="tutorial-proxy.html#wget">wget</a></li>
<li class="toctree-l3"><a class="reference internal" href="tutorial-proxy.html#system-service-docker">System service (Docker)</a></li>
<li class="toctree-l3"><a class="reference internal" href="tutorial-proxy.html#git-over-ssh">git over ssh</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../reference/reference.html">Reference</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../reference/compatible-hardware.html">Compatible Hardware</a></li>
<li class="toctree-l2"><a class="reference internal" href="../reference/bundle-commands.html">Useful bundle commands</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../reference/bundle-commands.html#additional-information">Additional information</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../reference/bundles/bundles.html">Available bundles</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../reference/bundles/bundles.html#bundle-list">Bundle list</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../reference/bundles/openssh-server.html">openssh-server</a><ul>
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<li>Set up a standalone cluster system using Apache* Spark*</li>
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<blockquote>
<div></div></blockquote>
<div class="section" id="set-up-a-standalone-cluster-system-using-apache-spark">
<span id="spark"></span><h1>Set up a standalone cluster system using Apache* Spark*</h1>
<p>This tutorial describes how to install, configure, and run Apache Spark on
Clear Linux* OS. Apache Spark is a fast general-purpose cluster computing system with
the following features:</p>
<ul class="simple">
<li>Provides high-level APIs in Java*, Scala*, Python*, and R*.</li>
<li>Includes an optimized engine that supports general execution graphs.</li>
<li>Supports high-level tools including Spark SQL, MLlib, GraphX, and Spark
Streaming.</li>
</ul>
<p>In this tutorial, you will install Spark on a single machine running the
master daemon and a worker daemon.</p>
<div class="section" id="prerequisites">
<h2>Prerequisites</h2>
<p>This tutorial assumes you have installed Clear Linux OS on your host system.
For detailed instructions on installing Clear Linux OS on a bare metal system, visit
the <a class="reference internal" href="../get-started/bare-metal-install-desktop/bare-metal-install-desktop.html#bare-metal-install-desktop"><span class="std std-ref">bare metal installation guide</span></a>.</p>
<p>Before you install any new packages, update Clear Linux OS with the following command:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo swupd update
</pre></div>
</div>
</div>
<div class="section" id="install-apache-spark">
<h2>Install Apache Spark</h2>
<p>Apache Spark is included in the <code class="file docutils literal notranslate"><span class="pre">big-data-basic</span></code> bundle. To install the
framework, enter:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo swupd bundle-add big-data-basic
</pre></div>
</div>
</div>
<div class="section" id="configure-apache-spark">
<h2>Configure Apache Spark</h2>
<ol class="arabic">
<li><p class="first">Create the configuration directory with the command:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo mkdir /etc/spark
</pre></div>
</div>
</li>
<li><p class="first">Copy the default templates from <code class="file docutils literal notranslate"><span class="pre">/usr/share/defaults/spark</span></code> to
<code class="file docutils literal notranslate"><span class="pre">/etc/spark</span></code> with the command:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo cp /usr/share/defaults/spark/* /etc/spark
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">Since Clear Linux OS is a stateless system, you should never modify the
files under the <code class="file docutils literal notranslate"><span class="pre">/usr/share/defaults</span></code> directory. The software
updater overwrites those files.</p>
</div>
</li>
<li><p class="first">Copy the template files below to create custom configuration files:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo cp /etc/spark/spark-defaults.conf.template /etc/spark/spark-defaults.conf
sudo cp /etc/spark/spark-env.sh.template /etc/spark/spark-env.sh
sudo cp /etc/spark/log4j.properties.template /etc/spark/log4j.properties
</pre></div>
</div>
</li>
<li><p class="first">Edit the <code class="file docutils literal notranslate"><span class="pre">/etc/spark/spark-env.sh</span></code> file and add the
<span class="target" id="index-0"></span><code class="xref std std-envvar docutils literal notranslate"><span class="pre">SPARK_MASTER_HOST</span></code> variable. Replace the example address below
with your localhost IP address. View your IP address using the
<strong class="command">hostname -I</strong> command.</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nv">SPARK_MASTER_HOST</span><span class="o">=</span><span class="s2">&quot;10.300.200.100&quot;</span>
</pre></div>
</div>
<div class="admonition note">
<p class="first admonition-title">注解</p>
<p class="last">This optional step enables the master’s web user interface to
view information needed later in this tutorial.</p>
</div>
</li>
<li><p class="first">Edit the <code class="file docutils literal notranslate"><span class="pre">/etc/spark/spark-defaults.conf</span></code> file and update the
<cite>spark.master</cite> variable with the <cite>SPARK_MASTER_HOST</cite> address and port <cite>7077</cite>.</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>spark.master spark://10.300.200.100:7077
</pre></div>
</div>
</li>
</ol>
</div>
<div class="section" id="start-the-master-server-and-a-worker-daemon">
<h2>Start the master server and a worker daemon</h2>
<ol class="arabic">
<li><p class="first">Start the master server using:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo /usr/share/apache-spark/sbin/./start-master.sh
</pre></div>
</div>
</li>
<li><p class="first">Start one worker daemon and connect it to the master using the
<cite>spark.master</cite> variable defined earlier:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo /usr/share/apache-spark/sbin/./start-slave.sh spark://10.300.200.100:7077
</pre></div>
</div>
</li>
<li><p class="first">Open an internet browser and view the worker daemon information using
the master’s IP address and port <cite>8080</cite>:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>http://10.300.200.100:8080
</pre></div>
</div>
</li>
</ol>
</div>
<div class="section" id="run-the-spark-wordcount-example">
<h2>Run the Spark wordcount example</h2>
<ol class="arabic">
<li><p class="first">Run the wordcount example using a file on your local host and output the
results to a new file with the following command:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>sudo spark-submit /usr/share/apache-spark/examples/src/main/python/wordcount.py ~/Documents/example_file &gt; ~/Documents/results
</pre></div>
</div>
</li>
<li><p class="first">Open an internet browser and view the application information using
the master’s IP address and port <cite>8080</cite>:</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>http://10.300.200.100:8080
</pre></div>
</div>
</li>
<li><p class="first">View the results of the wordcount application in the <code class="file docutils literal notranslate"><span class="pre">~/Documents/results</span></code> file.</p>
</li>
</ol>
<p><strong>Congratulations!</strong></p>
<p>You successfully installed and set up a standalone Apache Spark cluster.
Additionally, you ran a simple wordcount example.</p>
</div>
</div>
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