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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-random-seed.service"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-random-seed.service, systemd-random-seed — Load and save the system random seed at boot and shutdown</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">systemd-random-seed.service</code></p><p><code class="filename">/usr/lib/systemd/systemd-random-seed</code></p></div><div class="refsect1"><a name="idm140185039363360"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><code class="filename">systemd-random-seed.service</code> is a
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service that restores the random seed of the system at early-boot
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and saves it at shutdown. See
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<a href="http://man7.org/linux/man-pages/man4/random.4.html"><span class="citerefentry"><span class="refentrytitle">random</span>(4)</span></a>
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for details. Saving/restoring the random seed across boots
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increases the amount of available entropy early at boot. On disk
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the random seed is stored in
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<code class="filename">/var/lib/systemd/random-seed</code>.</p></div><div class="refsect1"><a name="idm140185039359776"></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="http://man7.org/linux/man-pages/man4/random.4.html"><span class="citerefentry"><span class="refentrytitle">random</span>(4)</span></a>
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</p></div></div></body></html>
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