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Copyright 2012 Lennart Poettering
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<refentry id= "systemd-system-update-generator" >
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<refentryinfo >
<title > systemd-system-update-generator</title>
<productname > systemd</productname>
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<authorgroup >
<author >
<contrib > Developer</contrib>
<firstname > Lennart</firstname>
<surname > Poettering</surname>
<email > lennart@poettering.net</email>
</author>
</authorgroup>
</refentryinfo>
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<refmeta >
<refentrytitle > systemd-system-update-generator</refentrytitle>
<manvolnum > 8</manvolnum>
</refmeta>
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<refnamediv >
<refname > systemd-system-update-generator</refname>
<refpurpose > Generator for redirecting boot to offline update mode</refpurpose>
</refnamediv>
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<refsynopsisdiv >
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<para > <filename > &rootlibexecdir; /system-generators/systemd-system-update-generator</filename> </para>
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</refsynopsisdiv>
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<refsect1 >
<title > Description</title>
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<para > <filename > systemd-system-update-generator</filename> is a
generator that automatically redirects the boot process to
<filename > system-update.target</filename> if
<filename > /system-update</filename> exists. This is required to
implement the logic explained in the <ulink
url="http://freedesktop.org/wiki/Software/systemd/SystemUpdates">System
Updates Specification</ulink> .
</para>
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<para > <filename > systemd-system-update-generator</filename> implements
<citerefentry > <refentrytitle > systemd.generator</refentrytitle> <manvolnum > 7</manvolnum> </citerefentry> .</para>
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</refsect1>
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<refsect1 >
<title > See Also</title>
<para >
<citerefentry > <refentrytitle > systemd</refentrytitle> <manvolnum > 1</manvolnum> </citerefentry> ,
<citerefentry > <refentrytitle > systemd.special</refentrytitle> <manvolnum > 7</manvolnum> </citerefentry>
</para>
</refsect1>
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</refentry>