12b42c7667
This did not really work out as we had hoped. Trying to do this upstream introduced several problems that probably makes it better suited as a downstream patch after all. At any rate, it is not releaseable in the current state, so we at least need to revert this before the release. * by adjusting the path to binaries, but not do the same thing to the search path we end up with inconsistent man-pages. Adjusting the search path too would be quite messy, and it is not at all obvious that this is worth the effort, but at any rate it would have to be done before we could ship this. * this means that distributed man-pages does not make sense as they depend on config options, and for better or worse we are still distributing man pages, so that is something that definitely needs sorting out before we could ship with this patch. * we have long held that split-usr is only minimally supported in order to boot, and something we hope will eventually go away. So before we start adding even more magic/effort in order to make this work nicely, we should probably question if it makes sense at all.
149 lines
4.1 KiB
XML
149 lines
4.1 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="runlevel"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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conditional="HAVE_UTMP">
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<refentryinfo>
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<title>runlevel</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>runlevel</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>runlevel</refname>
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<refpurpose>Print previous and current SysV runlevel</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>runlevel <arg choice="opt" rep="repeat">options</arg></command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>runlevel</command> prints the previous and current
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SysV runlevel if they are known.</para>
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<para>The two runlevel characters are separated by a single space
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character. If a runlevel cannot be determined, N is printed
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instead. If neither can be determined, the word "unknown" is
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printed.</para>
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<para>Unless overridden in the environment, this will check the
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utmp database for recent runlevel changes.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following option is understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--help</option></term>
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<xi:include href="standard-options.xml" xpointer="help-text" />
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>If one or both runlevels could be determined, 0 is returned,
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a non-zero failure code otherwise.</para>
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</refsect1>
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<refsect1>
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<title>Environment</title>
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<variablelist class='environment-variables'>
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<varlistentry>
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<term><varname>$RUNLEVEL</varname></term>
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<listitem><para>If <varname>$RUNLEVEL</varname> is set,
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<command>runlevel</command> will print this value as current
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runlevel and ignore utmp.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>$PREVLEVEL</varname></term>
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<listitem><para>If <varname>$PREVLEVEL</varname> is set,
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<command>runlevel</command> will print this value as previous
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runlevel and ignore utmp.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Files</title>
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<variablelist>
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<varlistentry>
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<term><filename>/var/run/utmp</filename></term>
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<listitem><para>The utmp database <command>runlevel</command>
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reads the previous and current runlevel
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from.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Notes</title>
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<para>This is a legacy command available for compatibility only.
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It should not be used anymore, as the concept of runlevels is
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obsolete.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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