projects / systemd.git / blame
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1 | <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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| 18 | </style><a href="index.html">Index </a>· | |
| 19 | <a href="systemd.directives.html">Directives </a>· | |
| 20 | <a href="../python-systemd/index.html">Python </a>· | |
| 21 | <a href="../libudev/index.html">libudev </a>· | |
| f47781d8 | 22 | <a href="../libudev/index.html">gudev </a><span style="float:right">systemd 218</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="idm140282969945104"></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 |
| 14228c0d | 23 | "<code class="literal">.target</code>" encodes information about |
| 663996b3 MS |
24 | a target unit of systemd, which is used for grouping |
| 25 | units and as well-known synchronization points during | |
| 26 | start-up.</p><p>This unit type has no specific options. See | |
| 27 | <a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a> | |
| 28 | for the common options of all unit configuration | |
| 29 | files. The common configuration items are configured | |
| 30 | in the generic [Unit] and [Install] sections. A | |
| 31 | separate [Target] section does not exist, since no | |
| 32 | target-specific options may be configured.</p><p>Target units do not offer any additional | |
| 33 | functionality on top of the generic functionality | |
| 34 | provided by units. They exist merely to group units via dependencies | |
| 35 | (useful as boot targets), and to establish | |
| 36 | standardized names for synchronization points used in | |
| 37 | dependencies between units. Among other things, target | |
| 38 | units are a more flexible replacement for SysV | |
| 39 | runlevels in the classic SysV init system. (And for | |
| 40 | compatibility reasons special | |
| 41 | target units such as | |
| 42 | <code class="filename">runlevel3.target</code> exist which are used by | |
| 43 | the SysV runlevel compatibility code in systemd. See | |
| 44 | <a href="systemd.special.html"><span class="citerefentry"><span class="refentrytitle">systemd.special</span>(7)</span></a> | |
| 45 | for details).</p><p>Unless <code class="varname">DefaultDependencies=</code> | |
| 46 | is set to <code class="option">false</code>, target units will | |
| 47 | implicitly complement all configured dependencies of | |
| 48 | type <code class="varname">Wants=</code>, | |
| 49 | <code class="varname">Requires=</code>, | |
| 50 | <code class="varname">RequiresOverridable=</code> with | |
| 51 | dependencies of type <code class="varname">After=</code> if the | |
| 52 | units in question also have | |
| 53 | <code class="varname">DefaultDependencies=true</code>. | |
| f47781d8 | 54 | </p></div><div class="refsect1"><a name="idm140282969935360"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p> |
| 663996b3 | 55 | <a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>, |
| 5eef597e | 56 | <a href="systemctl.html"><span class="citerefentry"><span class="refentrytitle">systemctl</span>(1)</span></a>, |
| 663996b3 MS |
57 | <a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>, |
| 58 | <a href="systemd.special.html"><span class="citerefentry"><span class="refentrytitle">systemd.special</span>(7)</span></a>, | |
| 59 | <a href="systemd.directives.html"><span class="citerefentry"><span class="refentrytitle">systemd.directives</span>(7)</span></a> | |
| 60 | </p></div></div></body></html> |