man/sysctl.d.xml

   1 <?xml version="1.0"?>
   2 <!--*-nxml-*-->
   3 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4 <!--
   5   This file is part of systemd.
   6
   7   Copyright 2011 Lennart Poettering
   8
   9   systemd is free software; you can redistribute it and/or modify it
  10   under the terms of the GNU General Public License as published by
  11   the Free Software Foundation; either version 2 of the License, or
  12   (at your option) any later version.
  13
  14   systemd is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU General Public License
  20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  21 -->
  22 <refentry id="sysctl.d">
  23
  24         <refentryinfo>
  25                 <title>sysctl.d</title>
  26                 <productname>systemd</productname>
  27
  28                 <authorgroup>
  29                         <author>
  30                                 <contrib>Developer</contrib>
  31                                 <firstname>Lennart</firstname>
  32                                 <surname>Poettering</surname>
  33                                 <email>lennart@poettering.net</email>
  34                         </author>
  35                 </authorgroup>
  36         </refentryinfo>
  37
  38         <refmeta>
  39                 <refentrytitle>sysctl.d</refentrytitle>
  40                 <manvolnum>5</manvolnum>
  41         </refmeta>
  42
  43         <refnamediv>
  44                 <refname>sysctl.d</refname>
  45                 <refpurpose>Configure kernel parameters at boot</refpurpose>
  46         </refnamediv>
  47
  48         <refsynopsisdiv>
  49                 <para><filename>/etc/sysctl.d/*.conf</filename></para>
  50         </refsynopsisdiv>
  51
  52         <refsect1>
  53                 <title>Description</title>
  54
  55                 <para><command>systemd</command> uses
  56                 <filename>/etc/sysctl.d/</filename> to configure
  57                 <citerefentry><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  58                 kernel parameters to load during boot. Each
  59                 configuration file is named in the style of
  60                 <filename>/etc/sysctl.d/&lt;program&gt;.conf</filename>.</para>
  61         </refsect1>
  62
  63         <refsect1>
  64                 <title>Configuration Format</title>
  65
  66                 <para>The configuration files should simply contain a
  67                 list of variable assignments, separated by
  68                 newlines. Empty lines and lines whose first
  69                 non-whitespace character is # or ; are ignored.</para>
  70
  71                 <para>Note that both / and . are accepted as
  72                 separators in sysctl variable names.</para>
  73
  74         </refsect1>
  75
  76         <refsect1>
  77                 <title>Example</title>
  78                 <example>
  79                         <title>/etc/sysctl.d/domain-name.conf example:</title>
  80
  81                         <programlisting># Set kernel YP domain name
  82 kernel.domainname=example.com</programlisting>
  83                 </example>
  84         </refsect1>
  85
  86         <refsect1>
  87                 <title>See Also</title>
  88                 <para>
  89                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
  90                         <citerefentry><refentrytitle>sysctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
  91                         <citerefentry><refentrytitle>sysctl.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
  92                 </para>
  93         </refsect1>
  94
  95 </refentry>