summaryrefslogtreecommitdiff
path: root/man/systemd-logind.service.xml
blob: ee2e2bbd115348fa0b8668b39ec266b6f9a0ff01 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->

<refentry id="systemd-logind.service">

        <refentryinfo>
                <title>systemd-logind.service</title>
                <productname>systemd</productname>

                <authorgroup>
                        <author>
                                <contrib>Developer</contrib>
                                <firstname>Lennart</firstname>
                                <surname>Poettering</surname>
                                <email>lennart@poettering.net</email>
                        </author>
                </authorgroup>
        </refentryinfo>

        <refmeta>
                <refentrytitle>systemd-logind.service</refentrytitle>
                <manvolnum>8</manvolnum>
        </refmeta>

        <refnamediv>
                <refname>systemd-logind.service</refname>
                <refname>systemd-logind</refname>
                <refpurpose>systemd Login Manager</refpurpose>
        </refnamediv>

        <refsynopsisdiv>
                <para><filename>systemd-logind.service</filename></para>
                <para><filename>/usr/lib/systemd/systemd-logind</filename></para>
        </refsynopsisdiv>

        <refsect1>
                <title>Description</title>

                <para><filename>systemd-logind</filename> is a system
                service that manages user logins. It is responsible
                for:</para>

                <itemizedlist>
                        <listitem><para>Keeping track of users and sessions, their
                        processes and their idle state</para></listitem>

                        <listitem><para>Creating control groups for
                        user processes</para></listitem>

                        <listitem><para>Providing PolicyKit-based access
                        for users to operations such as system
                        shutdown or sleep</para></listitem>

                        <listitem><para>Implementing a shutdown/sleep
                        inhibition logic for
                        applications</para></listitem>

                        <listitem><para>Handling of power/sleep
                        hardware keys</para></listitem>

                        <listitem><para>Multi-seat
                        management</para></listitem>

                        <listitem><para>Session
                        switch management</para></listitem>

                        <listitem><para>Device access management for
                        users</para></listitem>

                        <listitem><para>Automatic spawning of text
                        logins (gettys) on virtual console activation
                        and user runtime directory
                        management</para></listitem>
                </itemizedlist>

                <para>User sessions are registered in logind via the
                <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
                PAM module.</para>

                <para>See
                <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                for information about the configuration of this
                service.</para>

                <para>See <ulink
                url="http://www.freedesktop.org/wiki/Software/systemd/multiseat">Multi-Seat
                on Linux</ulink> for an introduction into basic
                concepts of logind such as users, sessions and seats.</para>
        </refsect1>

        <refsect1>
                <title>See Also</title>
                <para>
                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemd-user-sessions.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
                </para>
        </refsect1>

</refentry>