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&#x26; systemd cheatsheet &#x26; Quick Reference</title>
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<path d="M10,0 L10,4 L4,4 L4,22 L10,22 L10,26 L0,26 L0,0 L10,0 Z M86,0 L86,26 L76,26 L76,22 L82,22 L82,4 L76,4 L76,0 L86,0 Z M63,3 L63,23 L45,13 L63,3 Z M30,4 C34.9705627,4 39,8.02943725 39,13 C39,17.9705627 34.9705627,22 30,22 C25.0294373,22 21,17.9705627 21,13 C21,8.02943725 25.0294373,4 30,4 Z"></path></svg><a aria-hidden="true" tabindex="-1" href="#systemd"><span class="icon icon-link"></span></a>Systemd</h1><div class="wrap-body">
<p>最常用的 <a href="https://systemd.io/">Systemd</a> 命令备忘单快速参考</p>
</div></header><div class="menu-tocs"><div class="menu-btn"><svg aria-hidden="true" fill="currentColor" height="1em" width="1em" viewBox="0 0 16 16" version="1.1" data-view-component="true">
<path fill-rule="evenodd" d="M2 4a1 1 0 100-2 1 1 0 000 2zm3.75-1.5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zm0 5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zm0 5a.75.75 0 000 1.5h8.5a.75.75 0 000-1.5h-8.5zM3 8a1 1 0 11-2 0 1 1 0 012 0zm-1 6a1 1 0 100-2 1 1 0 000 2z"></path>
</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" href="#命令">命令</a><a aria-hidden="true" class="leve3 tocs-link" href="#查看系统信息">查看系统信息</a><a aria-hidden="true" class="leve3 tocs-link" href="#使用服务">使用服务</a><a aria-hidden="true" class="leve3 tocs-link" href="#改变系统状态">改变系统状态</a><a aria-hidden="true" class="leve3 tocs-link" href="#查看日志消息">查看日志消息</a><a aria-hidden="true" class="leve2 tocs-link" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="命令"><a aria-hidden="true" tabindex="-1" href="#命令"><span class="icon icon-link"></span></a>命令</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="查看系统信息"><a aria-hidden="true" tabindex="-1" href="#查看系统信息"><span class="icon icon-link"></span></a>查看系统信息</h3><div class="wrap-body">
<table class="style-list"><thead><tr><th align="left">:-</th><th>-</th></tr></thead><tbody><tr><td align="left"><code>systemctl list-dependencies</code></td><td>显示单元的依赖关系</td></tr><tr><td align="left"><code>systemctl list-sockets</code></td><td>列出套接字和激活的内容</td></tr><tr><td align="left"><code>systemctl list-jobs</code></td><td>查看活动的 systemd 作业</td></tr><tr><td align="left"><code>systemctl list-unit-files</code></td><td>查看单元文件及其状态</td></tr><tr><td align="left"><code>systemctl list-units</code></td><td>显示单位是否已加载/活动</td></tr><tr><td align="left"><code>systemctl get-default</code></td><td>列出默认目标(如运行级别)</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="使用服务"><a aria-hidden="true" tabindex="-1" href="#使用服务"><span class="icon icon-link"></span></a>使用服务</h3><div class="wrap-body">
<!--rehype:wrap-class=row-span-2-->
<table class="style-list"><thead><tr><th align="left">:-</th><th>-</th></tr></thead><tbody><tr><td align="left"><code>systemctl stop service</code></td><td><red>停止</red>正在运行的服务</td></tr><tr><td align="left"><code>systemctl start service</code></td><td>启动服务</td></tr><tr><td align="left"><code>systemctl restart service</code></td><td>重新启动正在运行的服务</td></tr><tr><td align="left"><code>systemctl reload service</code></td><td>重新加载服务中的所有配置文件</td></tr><tr><td align="left"><code>systemctl daemon-reload</code></td><td>必须运行以重新加载更改的单元文件</td></tr><tr><td align="left"><code>systemctl status</code></td><td>service 查看服务是否正在运行/启用</td></tr><tr><td align="left"><code>systemctl --failed</code></td><td>显示未能运行的服务</td></tr><tr><td align="left"><code>systemctl reset-failed</code></td><td>将任何单位从失败状态重置</td></tr><tr><td align="left"><code>systemctl enable service</code></td><td>使服务在启动时启动</td></tr><tr><td align="left"><code>systemctl disable service</code></td><td>禁用服务 - 不会在启动时启动</td></tr><tr><td align="left"><code>systemctl show service</code></td><td>显示服务(或其他单元)的属性</td></tr><tr><td align="left"><code>systemctl edit service</code></td><td>创建片段以放入单元文件</td></tr><tr><td align="left"><code>systemctl edit --full service</code></td><td>编辑整个单元文件以进行服务</td></tr><tr><td align="left"><code>systemctl -H host status network</code></td><td>远程运行任何 systemctl 命令</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="改变系统状态"><a aria-hidden="true" tabindex="-1" href="#改变系统状态"><span class="icon icon-link"></span></a>改变系统状态</h3><div class="wrap-body">
<table class="style-list"><thead><tr><th align="left">:-</th><th>-</th></tr></thead><tbody><tr><td align="left"><code>systemctl reboot</code></td><td>重启系统reboot.target</td></tr><tr><td align="left"><code>systemctl poweroff</code></td><td>关闭系统poweroff.target</td></tr><tr><td align="left"><code>systemctl emergency</code></td><td>进入紧急模式emergency.target</td></tr><tr><td align="left"><code>systemctl default</code></td><td>返回默认目标multi-user.target</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="查看日志消息"><a aria-hidden="true" tabindex="-1" href="#查看日志消息"><span class="icon icon-link"></span></a>查看日志消息</h3><div class="wrap-body">
<table class="style-list"><thead><tr><th align="left">:-</th><th>-</th></tr></thead><tbody><tr><td align="left"><code>journalctl</code></td><td>显示所有收集的日志消息</td></tr><tr><td align="left"><code>journalctl -u network.service</code></td><td>查看网络服务消息</td></tr><tr><td align="left"><code>journalctl -f</code></td><td>关注出现的消息</td></tr><tr><td align="left"><code>journalctl -k</code></td><td>仅显示内核消息</td></tr></tbody></table>
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</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
<ul>
<li><a href="https://systemd.io/">Systemd 官网</a> <em>(systemd.io)</em></li>
<li><a href="https://access.redhat.com/sites/default/files/attachments/12052018_systemd_6.pdf">Systemd Cheat Sheet</a> <em>(access.redhat.com)</em></li>
</ul>
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</svg><span>SSH</span></a><!--rehype:style=background: rgb(99 99 99/var(\-\-bg\-opacity));-->