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diff --git a/man/systemd-logind.service.xml b/man/systemd-logind.service.xml new file mode 100644 index 0000000..622ad95 --- /dev/null +++ b/man/systemd-logind.service.xml @@ -0,0 +1,111 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> + +<refentry id="systemd-logind.service" conditional='ENABLE_LOGIND'> + + <refentryinfo> + <title>systemd-logind.service</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-logind.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-logind.service</refname> + <refname>systemd-logind</refname> + <refpurpose>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><command>systemd-logind</command> 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. This is implemented by + allocating a systemd slice unit for each user below <filename>user.slice</filename>, and a scope unit below it + for each concurrent session of a user. Also, a per-user service manager is started as system service instance of + <filename>user@.service</filename> for each logged in user.</para></listitem> + + <listitem><para>Generating and managing session IDs. If auditing is available and an audit session ID is already set for + a session, then this ID is reused as the session ID. Otherwise, an independent session counter is + used.</para></listitem> + + <listitem><para>Providing <ulink + url="https://www.freedesktop.org/wiki/Software/polkit">polkit</ulink>-based access for users for + 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> + + <listitem><para>Scheduled shutdown</para></listitem> + + <listitem><para>Sending "wall" messages</para></listitem> + </itemizedlist> + + <para>User sessions are registered with 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 + <citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>3</manvolnum></citerefentry> + for information about the basic concepts of logind + such as users, sessions and seats.</para> + + <para>See + <citerefentry><refentrytitle>org.freedesktop.login1</refentrytitle><manvolnum>5</manvolnum></citerefentry> + and + <citerefentry><refentrytitle>org.freedesktop.LogControl1</refentrytitle><manvolnum>5</manvolnum></citerefentry> + for information about the D-Bus APIs <filename>systemd-logind</filename> provides.</para> + + <para>For more information on the inhibition logic see the <ulink + url="https://www.freedesktop.org/wiki/Software/systemd/inhibit">Inhibitor + Lock Developer Documentation</ulink>.</para> + + <para>If you are interested in writing a display manager that makes use of logind, please have look at + <ulink url="https://www.freedesktop.org/wiki/Software/systemd/writing-display-managers">Writing Display + Managers</ulink>. + If you are interested in writing a desktop environment that makes use of logind, please have look at + <ulink url="https://www.freedesktop.org/wiki/Software/systemd/writing-desktop-environments">Writing + Desktop Environments</ulink>.</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>, + <citerefentry><refentrytitle>sd-login</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |