man/logind.xml

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   7
   8 <!--
   9   This file is part of systemd.
  10
  11   Copyright 2010 Lennart Poettering
  12
  13   systemd is free software; you can redistribute it and/or modify it
  14   under the terms of the GNU Lesser General Public License as published by
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  20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  21   Lesser General Public License for more details.
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  23   You should have received a copy of the GNU Lesser General Public License
  24   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  25 -->
  26
  27 <refentry id="systemd-logind.service" conditional='ENABLE_LOGIND'>
  28
  29   <refentryinfo>
  30     <title>systemd-logind.service</title>
  31     <productname>systemd</productname>
  32
  33     <authorgroup>
  34       <author>
  35         <contrib>Developer</contrib>
  36         <firstname>Lennart</firstname>
  37         <surname>Poettering</surname>
  38         <email>lennart@poettering.net</email>
  39       </author>
  40     </authorgroup>
  41   </refentryinfo>
  42
  43   <refmeta>
  44     <refentrytitle>systemd-logind.service</refentrytitle>
  45     <manvolnum>8</manvolnum>
  46   </refmeta>
  47
  48   <refnamediv>
  49     <refname>systemd-logind.service</refname>
  50     <refname>systemd-logind</refname>
  51     <refpurpose>Login manager</refpurpose>
  52   </refnamediv>
  53
  54   <refsynopsisdiv>
  55     <para><filename>systemd-logind.service</filename></para>
  56     <para><filename>&rootlibexecdir;/systemd-logind</filename></para>
  57   </refsynopsisdiv>
  58
  59   <refsect1>
  60     <title>Description</title>
  61
  62     <para><command>systemd-logind</command> is a system service that
  63     manages user logins. It is responsible for:</para>
  64
  65     <itemizedlist>
  66       <listitem><para>Keeping track of users and sessions, their
  67       processes and their idle state</para></listitem>
  68
  69       <listitem><para>Providing PolicyKit-based access for users to
  70       operations such as system shutdown or sleep</para></listitem>
  71
  72       <listitem><para>Implementing a shutdown/sleep inhibition logic
  73       for applications</para></listitem>
  74
  75       <listitem><para>Handling of power/sleep hardware
  76       keys</para></listitem>
  77
  78       <listitem><para>Multi-seat management</para></listitem>
  79
  80       <listitem><para>Session switch management</para></listitem>
  81
  82       <listitem><para>Device access management for
  83       users</para></listitem>
  84
  85       <listitem><para>Automatic spawning of text logins (gettys) on
  86       virtual console activation and user runtime directory
  87       management</para></listitem>
  88     </itemizedlist>
  89
  90     <para>User sessions are registered in logind via the
  91     <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  92     PAM module.</para>
  93
  94     <para>See
  95     <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
  96     for information about the configuration of this service.</para>
  97
  98     <para>See <ulink
  99     url="http://www.freedesktop.org/wiki/Software/systemd/multiseat">Multi-Seat
 100     on Linux</ulink> for an introduction into basic concepts of logind
 101     such as users, sessions and seats.</para>
 102
 103     <para>See the <ulink
 104     url="http://www.freedesktop.org/wiki/Software/systemd/logind">
 105     logind D-Bus API Documentation</ulink> for information about the
 106     APIs <filename>systemd-logind</filename> provides.</para>
 107
 108     <para>For more information on the inhibition logic see the <ulink
 109     url="http://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor
 110     Lock Developer Documentation</ulink>.</para>
 111   </refsect1>
 112
 113   <refsect1>
 114     <title>See Also</title>
 115     <para>
 116       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 117       <citerefentry><refentrytitle>systemd-user-sessions.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 118       <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 119       <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
 120       <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
 121     </para>
 122   </refsect1>
 123
 124 </refentry>