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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
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 Lesser General Public License for more details.
18
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-->
56ba3c78 22<refentry id="systemd-user-sessions.service" conditional='HAVE_PAM'>
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24 <refentryinfo>
25 <title>systemd-user-sessions.service</title>
26 <productname>systemd</productname>
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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>
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38 <refmeta>
39 <refentrytitle>systemd-user-sessions.service</refentrytitle>
40 <manvolnum>8</manvolnum>
41 </refmeta>
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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>
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49 <refsynopsisdiv>
50 <para><filename>systemd-user-sessions.service</filename></para>
51 <para><filename>/usr/lib/systemd/systemd-user-sessions</filename></para>
52 </refsynopsisdiv>
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54 <refsect1>
55 <title>Description</title>
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57 <para><filename>systemd-user-sessions.service</filename> is a
58 service that controls user logins. After basic system
59 initialization is complete it removes
60 <filename>/run/nologin</filename>, thus permitting logins. Before
61 system shutdown it creates <filename>/run/nologin</filename>, thus
62 prohibiting further logins. At the same time it also kills all
63 user processes, so that system shutdown may proceed without any
64 remaining user processes around.</para>
65 </refsect1>
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67 <refsect1>
68 <title>See Also</title>
69 <para>
70 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
71 <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
72 <citerefentry project='man-pages'><refentrytitle>pam_nologin</refentrytitle><manvolnum>8</manvolnum></citerefentry>
73 </para>
74 </refsect1>
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75
76</refentry>