man/logind.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
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   6   This file is part of systemd.
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   8   Copyright 2010 Lennart Poettering
   9
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  23
  24 <refentry id="systemd-logind.service" conditional='ENABLE_LOGIND'>
  25
  26   <refentryinfo>
  27     <title>systemd-logind.service</title>
  28     <productname>systemd</productname>
  29
  30     <authorgroup>
  31       <author>
  32         <contrib>Developer</contrib>
  33         <firstname>Lennart</firstname>
  34         <surname>Poettering</surname>
  35         <email>lennart@poettering.net</email>
  36       </author>
  37     </authorgroup>
  38   </refentryinfo>
  39
  40   <refmeta>
  41     <refentrytitle>systemd-logind.service</refentrytitle>
  42     <manvolnum>8</manvolnum>
  43   </refmeta>
  44
  45   <refnamediv>
  46     <refname>systemd-logind.service</refname>
  47     <refname>systemd-logind</refname>
  48     <refpurpose>Login manager</refpurpose>
  49   </refnamediv>
  50
  51   <refsynopsisdiv>
  52     <para><filename>systemd-logind.service</filename></para>
  53     <para><filename>/usr/lib/systemd/systemd-logind</filename></para>
  54   </refsynopsisdiv>
  55
  56   <refsect1>
  57     <title>Description</title>
  58
  59     <para><command>systemd-logind</command> is a system service that
  60     manages user logins. It is responsible for:</para>
  61
  62     <itemizedlist>
  63       <listitem><para>Keeping track of users and sessions, their
  64       processes and their idle state</para></listitem>
  65
  66       <listitem><para>Providing PolicyKit-based access for users to
  67       operations such as system shutdown or sleep</para></listitem>
  68
  69       <listitem><para>Implementing a shutdown/sleep inhibition logic
  70       for applications</para></listitem>
  71
  72       <listitem><para>Handling of power/sleep hardware
  73       keys</para></listitem>
  74
  75       <listitem><para>Multi-seat management</para></listitem>
  76
  77       <listitem><para>Session switch management</para></listitem>
  78
  79       <listitem><para>Device access management for
  80       users</para></listitem>
  81
  82       <listitem><para>Automatic spawning of text logins (gettys) on
  83       virtual console activation and user runtime directory
  84       management</para></listitem>
  85     </itemizedlist>
  86
  87     <para>User sessions are registered in logind via the
  88     <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
  89     PAM module.</para>
  90
  91     <para>See
  92     <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
  93     for information about the configuration of this service.</para>
  94
  95     <para>See <ulink
  96     url="http://www.freedesktop.org/wiki/Software/systemd/multiseat">Multi-Seat
  97     on Linux</ulink> for an introduction into basic concepts of logind
  98     such as users, sessions and seats.</para>
  99
 100     <para>See the <ulink
 101     url="http://www.freedesktop.org/wiki/Software/systemd/logind">
 102     logind D-Bus API Documentation</ulink> for information about the
 103     APIs <filename>systemd-logind</filename> provides.</para>
 104
 105     <para>For more information on the inhibition logic see the <ulink
 106     url="http://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor
 107     Lock Developer Documentation</ulink>.</para>
 108   </refsect1>
 109
 110   <refsect1>
 111     <title>See Also</title>
 112     <para>
 113       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 114       <citerefentry><refentrytitle>systemd-user-sessions.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 115       <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 116       <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
 117       <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
 118     </para>
 119   </refsect1>
 120
 121 </refentry>