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systemd/man/systemd-cryptsetup-generator.xml
Zbigniew Jędrzejewski-Szmek 56ba3c78ae build-sys: create Makefile-man.am automatically
man rules were repeating the same information in too many places,
which was error prone. Those rules can be easily generated from .xml
files. For efficiency and because python is not a required dependency,
Makefile-man.am is only regenerated when requested with

  make update-man-list

If no metadata in man/*.xml changed, this file should not change. So
only when a new man page or a new alias is added, this file should
show up in 'git diff'. The change should then be committed.

If the support for building from git without python was dropped, we
could drop Makefile-man.am from version control. This would also
increase the partial build time (since more stuff would be rebuild
whenever sources in man/*.xml would be modified), so it would probably
wouldn't be worth it.
2013-02-06 23:16:16 -05:00

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<?xml version="1.0"?>
<!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!--
This file is part of systemd.
Copyright 2012 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
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You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="systemd-cryptsetup-generator" conditional='HAVE_LIBCRYPTSETUP'>
<refentryinfo>
<title>systemd-cryptsetup-generator</title>
<productname>systemd</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Lennart</firstname>
<surname>Poettering</surname>
<email>lennart@poettering.net</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>systemd-cryptsetup-generator</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>systemd-cryptsetup-generator</refname>
<refpurpose>Unit generator for <filename>/etc/crypttab</filename></refpurpose>
</refnamediv>
<refsynopsisdiv>
<para><filename>/usr/lib/systemd/system-generators/systemd-cryptsetup-generator</filename></para>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><filename>systemd-cryptsetup-generator</filename>
is a generator that translates
<filename>/etc/crypttab</filename> into native systemd
units early at boot and when configuration of the
system manager is reloaded. This will create
<citerefentry><refentrytitle>systemd-cryptsetup@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
units as necessary.</para>
<para><filename>systemd-cryptsetup-generator</filename>
implements the <ulink
url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
specification</ulink>.</para>
</refsect1>
<refsect1>
<title>Kernel Command Line</title>
<para><filename>systemd-cryptsetup-generator</filename> understands
the following kernel command line parameters:</para>
<variablelist class='kernel-commandline-options'>
<varlistentry>
<term><varname>luks=</varname></term>
<term><varname>rd.luks=</varname></term>
<listitem><para>Takes a boolean
argument. Defaults to
<literal>yes</literal>. If
<literal>no</literal> disables the
generator
entirely. <varname>rd.luks=</varname>
is honored only by initial RAM disk
(initrd) while
<varname>luks=</varname> is honored
by both the main system and the
initrd. </para></listitem>
</varlistentry>
<varlistentry>
<term><varname>luks.crypttab=</varname></term>
<term><varname>rd.luks.crypttab=</varname></term>
<listitem><para>Takes a boolean
argument. Defaults to
<literal>yes</literal>. If
<literal>no</literal> causes the
generator to ignore any devices
configured in
<filename>/etc/crypttab</filename>
(<varname>luks.uuid=</varname> will
still work
however). <varname>rd.luks.crypttab=</varname>
is honored only by initial RAM disk
(initrd) while
<varname>luks.crypttab=</varname> is
honored by both the main system and
the initrd. </para></listitem>
</varlistentry>
<varlistentry>
<term><varname>luks.uuid=</varname></term>
<term><varname>rd.luks.uuid=</varname></term>
<listitem><para>Takes a LUKS super
block UUID as argument. This will
activate the specified device as part
of the boot process as if it was
listed in
<filename>/etc/fstab</filename>. This
option may be specified more than once
in order to set up multiple
devices. <varname>rd.luks.uuid=</varname>
is honored only by initial RAM disk
(initrd) while
<varname>luks.uuid=</varname> is
honored by both the main system and
the initrd.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>crypttab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-cryptsetup@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>