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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>systemd-cryptsetup-generator</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-cryptsetup-generator"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-cryptsetup-generator — Unit generator for <code class="filename">/etc/crypttab</code></p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">/usr/lib/systemd/system-generators/systemd-cryptsetup-generator</code></p></div><div class="refsect1"><a name="idm259772367392"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><code class="filename">systemd-cryptsetup-generator</code>
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is a generator that translates
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<code class="filename">/etc/crypttab</code> into native systemd
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units early at boot and when configuration of the
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system manager is reloaded. This will create
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<a href="systemd-cryptsetup@.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-cryptsetup@.service</span>(8)</span></a>
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units as necessary.</p><p><code class="filename">systemd-cryptsetup-generator</code>
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implements the <a class="ulink" href="http://www.freedesktop.org/wiki/Software/systemd/Generators" target="_top">generator
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specification</a>.</p></div><div class="refsect1"><a name="idm259772434096"></a><h2 id="Kernel Command Line">Kernel Command Line<a class="headerlink" title="Permalink to this headline" href="#Kernel%20Command%20Line">¶</a></h2><p><code class="filename">systemd-cryptsetup-generator</code> understands
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the following kernel command line parameters:</p><div class="variablelist"><dl class="variablelist"><dt id="luks="><span class="term"><code class="varname">luks=</code>, </span><span class="term"><code class="varname">rd.luks=</code></span><a class="headerlink" title="Permalink to this term" href="#luks=">¶</a></dt><dd><p>Takes a boolean
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argument. Defaults to
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<code class="literal">yes</code>. If
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<code class="literal">no</code> disables the
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generator
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entirely. <code class="varname">rd.luks=</code>
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is honored only by initial RAM disk
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(initrd) while
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<code class="varname">luks=</code> is honored
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by both the main system and the
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initrd. </p></dd><dt id="luks.crypttab="><span class="term"><code class="varname">luks.crypttab=</code>, </span><span class="term"><code class="varname">rd.luks.crypttab=</code></span><a class="headerlink" title="Permalink to this term" href="#luks.crypttab=">¶</a></dt><dd><p>Takes a boolean
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argument. Defaults to
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<code class="literal">yes</code>. If
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<code class="literal">no</code> causes the
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generator to ignore any devices
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configured in
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<code class="filename">/etc/crypttab</code>
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(<code class="varname">luks.uuid=</code> will
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still work
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however). <code class="varname">rd.luks.crypttab=</code>
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is honored only by initial RAM disk
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(initrd) while
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<code class="varname">luks.crypttab=</code> is
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honored by both the main system and
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the initrd. </p></dd><dt id="luks.uuid="><span class="term"><code class="varname">luks.uuid=</code>, </span><span class="term"><code class="varname">rd.luks.uuid=</code></span><a class="headerlink" title="Permalink to this term" href="#luks.uuid=">¶</a></dt><dd><p>Takes a LUKS super
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block UUID as argument. This will
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activate the specified device as part
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of the boot process as if it was
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listed in
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<code class="filename">/etc/fstab</code>. This
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option may be specified more than once
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in order to set up multiple
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devices. <code class="varname">rd.luks.uuid=</code>
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is honored only by initial RAM disk
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(initrd) while
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<code class="varname">luks.uuid=</code> is
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honored by both the main system and
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the initrd.</p><p>If /etc/crypttab contains entries with
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the same UUID, then the options for this entry
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will be used.</p><p>If /etc/crypttab exists, only those UUID
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specified on the kernel command line
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will be activated in the initrd or the real root.</p></dd><dt id="luks.key="><span class="term"><code class="varname">luks.key=</code>, </span><span class="term"><code class="varname">rd.luks.key=</code></span><a class="headerlink" title="Permalink to this term" href="#luks.key=">¶</a></dt><dd><p>Takes a password file as argument.</p><p>For those entries specified with
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<code class="varname">rd.luks.uuid=</code> or <code class="varname">luks.uuid=</code>,
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the password file will be set to the password file specified by
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<code class="varname">rd.luks.key=</code> or <code class="varname">luks.key</code></p><p><code class="varname">rd.luks.key=</code>
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is honored only by initial RAM disk
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(initrd) while
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<code class="varname">luks.key=</code> is
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honored by both the main system and
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the initrd.</p></dd></dl></div></div><div class="refsect1"><a name="idm259772529200"></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="crypttab.html"><span class="citerefentry"><span class="refentrytitle">crypttab</span>(5)</span></a>,
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<a href="systemd-cryptsetup@.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-cryptsetup@.service</span>(8)</span></a>,
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<a href="cryptsetup.html"><span class="citerefentry"><span class="refentrytitle">cryptsetup</span>(8)</span></a>,
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<a href="systemd-fstab-generator.html"><span class="citerefentry"><span class="refentrytitle">systemd-fstab-generator</span>(8)</span></a>
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</p></div></div></body></html>
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