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journald: move /dev/log socket to /run
[elogind.git] / man / systemd-user-sessions.service.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 2012 Lennart Poettering
8
9   systemd is free software; you can redistribute it and/or modify it
10   under the terms of the GNU Lesser General Public License as published by
11   the Free Software Foundation; either version 2.1 of the License, or
12   (at your option) any later version.
13
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15   WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17   Lesser General Public License for more details.
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19   You should have received a copy of the GNU Lesser General Public License
20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
21 -->
22 <refentry id="systemd-user-sessions.service" conditional='HAVE_PAM'>
23
24         <refentryinfo>
25                 <title>systemd-user-sessions.service</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>systemd-user-sessions.service</refentrytitle>
40                 <manvolnum>8</manvolnum>
41         </refmeta>
42
43         <refnamediv>
44                 <refname>systemd-user-sessions.service</refname>
45                 <refname>systemd-user-sessions</refname>
46                 <refpurpose>Permit user logins after boot, prohibit user logins at shutdown</refpurpose>
47         </refnamediv>
48
49         <refsynopsisdiv>
50                 <para><filename>systemd-user-sessions.service</filename></para>
51                 <para><filename>/usr/lib/systemd/systemd-user-sessions</filename></para>
52         </refsynopsisdiv>
53
54         <refsect1>
55                 <title>Description</title>
56
57                 <para><filename>systemd-user-sessions.service</filename>
58                 is a service that controls user logins. After basic
59                 system initialization is complete it removes
60                 <filename>/run/nologin</filename>, thus permitting
61                 logins. Before system shutdown it creates
62                 <filename>/run/nologin</filename>, thus prohibiting
63                 further logins. At the same time it also kills all
64                 user processes, so that system shutdown may proceed
65                 without any remaining user processes around.</para>
66         </refsect1>
67
68         <refsect1>
69                 <title>See Also</title>
70                 <para>
71                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
72                         <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
73                         <citerefentry><refentrytitle>pam_nologin</refentrytitle><manvolnum>8</manvolnum></citerefentry>
74                 </para>
75         </refsect1>
76
77 </refentry>