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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 219</span><hr><div class="refentry"><a name="systemd-networkd.service"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-networkd.service, systemd-networkd — Network manager</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">systemd-networkd.service</code></p><p><code class="filename">/usr/lib/systemd/systemd-networkd</code></p></div><div class="refsect1"><a name="idm140057751162112"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>systemd-networkd</strong></span> is a system service that
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manages networks. It detects and configures network devices as
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they appear, as well as creating virtual network devices.</p><p>To configure low-level link settings independently of
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networks, see
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<a href="systemd.link.html"><span class="citerefentry"><span class="refentrytitle">systemd.link</span>(5)</span></a>.</p><p>Network configurations applied before networkd is started
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are not removed, and static configuration applied by networkd is
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not removed when networkd exits. Dynamic configuration applied by
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networkd may also optionally be left in place on shutdown. This
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ensures restarting networkd does not cut the network connection,
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and, in particular, that it is safe to transition between the
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initrd and the real root, and back.</p></div><div class="refsect1"><a name="idm140057751158176"></a><h2 id="Configuration Files">Configuration Files<a class="headerlink" title="Permalink to this headline" href="#Configuration%20Files">¶</a></h2><p>The configuration files are read from the files located in the
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system network directory <code class="filename">/usr/lib/systemd/network</code>,
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the volatile runtime network directory
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<code class="filename">/run/systemd/network</code> and the local administration
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network directory <code class="filename">/etc/systemd/network</code>.</p><p>Networks are configured in <code class="filename">.network</code>
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files, see
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<a href="systemd.network.html"><span class="citerefentry"><span class="refentrytitle">systemd.network</span>(5)</span></a>,
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and virtual network devices are configured in
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<code class="filename">.netdev</code> files, see
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<a href="systemd.netdev.html"><span class="citerefentry"><span class="refentrytitle">systemd.netdev</span>(5)</span></a>.
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</p></div><div class="refsect1"><a name="idm140057751028016"></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="systemd.link.html"><span class="citerefentry"><span class="refentrytitle">systemd.link</span>(5)</span></a>,
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<a href="systemd.network.html"><span class="citerefentry"><span class="refentrytitle">systemd.network</span>(5)</span></a>,
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<a href="systemd.netdev.html"><span class="citerefentry"><span class="refentrytitle">systemd.netdev</span>(5)</span></a>,
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<a href="systemd-networkd-wait-online.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-networkd-wait-online.service</span>(8)</span></a>
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</p></div></div></body></html>
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