208 lines
10 KiB
XML
208 lines
10 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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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="systemd.conf">
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<refentryinfo>
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<title>systemd.conf</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>systemd.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd.conf</refname>
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<refpurpose>systemd manager configuration file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>system.conf</filename></para>
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<para><filename>user.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>When run as system instance systemd reads the
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configuration file <filename>system.conf</filename>,
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otherwise <filename>user.conf</filename>. These
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configuration files contain a few settings controlling
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basic manager operations.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>All options are configured in the
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<literal>[Manager]</literal> section:</para>
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<variablelist>
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<varlistentry>
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<term><varname>LogLevel=</varname></term>
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<term><varname>LogTarget=</varname></term>
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<term><varname>LogColor=</varname></term>
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<term><varname>LogLocation=</varname></term>
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<term><varname>DumpCore=yes</varname></term>
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<term><varname>CrashShell=no</varname></term>
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<term><varname>ShowStatus=yes</varname></term>
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<term><varname>SysVConsole=yes</varname></term>
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<term><varname>CrashChVT=1</varname></term>
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<term><varname>DefaultStandardOutput=journal</varname></term>
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<term><varname>DefaultStandardError=inherit</varname></term>
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<listitem><para>Configures various
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parameters of basic manager
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operation. These options may be
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overridden by the respective command
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line arguments. See
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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for details about these command line
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arguments.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>CPUAffinity=</varname></term>
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<listitem><para>Configures the initial
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CPU affinity for the init
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process. Takes a space-separated list
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of CPU indexes.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>MountAuto=yes</varname></term>
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<term><varname>SwapAuto=yes</varname></term>
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<listitem><para>Configures whether
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systemd should automatically activate
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all swap or mounts listed in
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<filename>/etc/fstab</filename>, or
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whether this job is left to some other
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system script.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>DefaultControllers=cpu</varname></term>
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<listitem><para>Configures in which
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cgroup controller hierarchies to
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create per-service cgroups
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automatically, in addition to the
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name=systemd named hierarchy. Defaults
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to 'cpu'. Takes a space separated list
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of controller names. Pass an empty
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string to ensure that systemd does not
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touch any hierarchies but its
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own.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>JoinControllers=cpu,cpuacct</varname></term>
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<listitem><para>Configures controllers
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that shall be mounted in a single
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hierarchy. By default systemd will
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mount all controllers which are
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enabled in the kernel in individual
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hierachies, with the exception of
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those listed in this setting. Takes a
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space separated list of comma
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separated controller names, in order
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to allow multiple joined
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hierarchies. Defaults to
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'cpu,cpuacct'. Pass an empty string to
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ensure that systemd mounts all
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controllers in separate
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hierarchies.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>RuntimeWatchdogSec=</varname></term>
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<term><varname>ShutdownWatchdogSec=</varname></term>
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<listitem><para>Configure the hardware
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watchdog at runtime and at
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reboot. Takes a timeout value in
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seconds (or in other time units if
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suffixed with <literal>ms</literal>,
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<literal>min</literal>,
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<literal>h</literal>,
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<literal>d</literal>,
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<literal>w</literal>). If
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<varname>RuntimeWatchdogSec=</varname>
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is set to a non-zero value the
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watchdog hardware
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(<filename>/dev/watchdog</filename>)
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will be programmed to automatically
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reboot the system if it is not
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contacted within the specified timeout
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interval. The system manager will
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ensure to contact it at least once in
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half the specified timeout
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interval. This feature requires a
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hardware watchdog device to be
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present, as it is commonly the case in
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embedded and server systems. Not all
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hardware watchdogs allow configuration
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of the reboot timeout, in which case
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the closest available timeout is
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picked. <varname>ShutdownWatchdogSec=</varname>
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may be used to configure the hardware
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watchdog when the system is asked to
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reboot. It works as a safety net to
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ensure that the reboot takes place
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even if a clean reboot attempt times
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out. By default
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<varname>RuntimeWatchdogSec=</varname>
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defaults to 0 (off), and
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<varname>ShutdownWatchdogSec=</varname>
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to 10min. These settings have no
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effect if a hardware watchdog is not
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available.</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>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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