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61 lines
4.6 KiB
HTML
61 lines
4.6 KiB
HTML
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>systemd.target</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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</style><a href="index.html">Index </a>·
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<a href="systemd.directives.html">Directives </a>·
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<a href="../python-systemd/index.html">Python </a>·
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<a href="../libudev/index.html">libudev </a>·
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 204</span><hr><div class="refentry"><a name="systemd.target"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd.target — Target unit configuration</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename"><em class="replaceable"><code>target</code></em>.target</code></p></div><div class="refsect1"><a name="idm259786714560"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p>A unit configuration file whose name ends in
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<code class="filename">.target</code> encodes information about
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a target unit of systemd, which is used for grouping
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units and as well-known synchronization points during
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start-up.</p><p>This unit type has no specific options. See
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<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
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for the common options of all unit configuration
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files. The common configuration items are configured
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in the generic [Unit] and [Install] sections. A
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separate [Target] section does not exist, since no
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target-specific options may be configured.</p><p>Target units do not offer any additional
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functionality on top of the generic functionality
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provided by units. They exist merely to group units via dependencies
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(useful as boot targets), and to establish
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standardized names for synchronization points used in
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dependencies between units. Among other things, target
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units are a more flexible replacement for SysV
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runlevels in the classic SysV init system. (And for
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compatibility reasons special
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target units such as
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<code class="filename">runlevel3.target</code> exist which are used by
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the SysV runlevel compatibility code in systemd. See
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<a href="systemd.special.html"><span class="citerefentry"><span class="refentrytitle">systemd.special</span>(7)</span></a>
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for details).</p><p>Unless <code class="varname">DefaultDependencies=</code>
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is set to <code class="option">false</code>, target units will
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implicitly complement all configured dependencies of
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type <code class="varname">Wants=</code>,
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<code class="varname">Requires=</code>,
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<code class="varname">RequiresOverridable=</code> with
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dependencies of type <code class="varname">After=</code> if the
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units in question also have
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<code class="varname">DefaultDependencies=true</code>.
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</p></div><div class="refsect1"><a name="idm259786840032"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
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<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
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<a href="systemctl.html"><span class="citerefentry"><span class="refentrytitle">systemctl</span>(8)</span></a>,
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<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>,
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<a href="systemd.special.html"><span class="citerefentry"><span class="refentrytitle">systemd.special</span>(7)</span></a>,
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<a href="systemd.directives.html"><span class="citerefentry"><span class="refentrytitle">systemd.directives</span>(7)</span></a>
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</p></div></div></body></html>
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