134 lines
5.6 KiB
XML
134 lines
5.6 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="systemd-logind.service">
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<refentryinfo>
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<title>systemd-logind.service</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-logind.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-logind.service</refname>
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<refname>systemd-logind</refname>
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<refpurpose>Login manager</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-logind.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-logind</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-logind</filename> is a system
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service that manages user logins. It is responsible
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for:</para>
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<itemizedlist>
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<listitem><para>Keeping track of users and sessions, their
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processes and their idle state</para></listitem>
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<listitem><para>Creating control groups for
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user processes</para></listitem>
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<listitem><para>Providing PolicyKit-based access
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for users to operations such as system
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shutdown or sleep</para></listitem>
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<listitem><para>Implementing a shutdown/sleep
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inhibition logic for
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applications</para></listitem>
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<listitem><para>Handling of power/sleep
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hardware keys</para></listitem>
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<listitem><para>Multi-seat
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management</para></listitem>
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<listitem><para>Session
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switch management</para></listitem>
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<listitem><para>Device access management for
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users</para></listitem>
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<listitem><para>Automatic spawning of text
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logins (gettys) on virtual console activation
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and user runtime directory
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management</para></listitem>
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</itemizedlist>
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<para>User sessions are registered in logind via the
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<citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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PAM module.</para>
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<para>See
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for information about the configuration of this
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service.</para>
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<para>See <ulink
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url="http://www.freedesktop.org/wiki/Software/systemd/multiseat">Multi-Seat
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on Linux</ulink> for an introduction into basic
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concepts of logind such as users, sessions and seats.</para>
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<para>See the <ulink
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url="http://www.freedesktop.org/wiki/Software/systemd/logind">
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logind D-Bus API Documentation</ulink> for information about
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the APIs <filename>systemd-logind</filename>
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provides.</para>
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<para>For more information on the inhibition logic see
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the <ulink
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url="http://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor
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Lock Developer Documentation</ulink>.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-user-sessions.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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