-<?xml version='1.0'?> <!--*-nxml-*-->
+<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+<!ENTITY % entities SYSTEM "custom-entities.ent" >
+%entities;
+]>
<!--
- 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/>.
+ SPDX-License-Identifier: LGPL-2.1+
-->
+<!-- 0 /// elogind does not have to enable itself in configure
<refentry id="logind.conf" conditional='ENABLE_LOGIND'
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>logind.conf</title>
<productname>systemd</productname>
+--><!-- else -->
+<refentry id="logind.conf" xmlns:xi="http://www.w3.org/2001/XInclude">
+ <refentryinfo>
+ <title>logind.conf</title>
+ <productname>elogind</productname>
+<!-- // 0 -->
<authorgroup>
<author>
<refnamediv>
<refname>logind.conf</refname>
+ <!-- 0 /// not supported by elogind
<refname>logind.conf.d</refname>
+ // 0 -->
<refpurpose>Login manager configuration files</refpurpose>
</refnamediv>
<refsynopsisdiv>
- <para><filename>/etc/systemd/logind.conf</filename></para>
+ <para><filename>/etc/elogind/logind.conf</filename></para>
+ <!-- 0 /// not supported by elogind
<para><filename>/etc/systemd/logind.conf.d/*.conf</filename></para>
<para><filename>/run/systemd/logind.conf.d/*.conf</filename></para>
<para><filename>/usr/lib/systemd/logind.conf.d/*.conf</filename></para>
+ // 0 -->
</refsynopsisdiv>
<refsect1>
<title>Description</title>
- <para>These files configure various parameters of the systemd
- login manager,
- <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
- </para>
+ <!-- 0 /// elogind does not need a service file.
+ <para>These files configure various parameters of the systemd login manager,
+ <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. See
+ <citerefentry><refentrytitle>systemd.syntax</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for a general description of the syntax.</para>
+ --><!-- else -->
+ login manager.</para>
+ <!-- // 0 -->
</refsect1>
+ <!-- 0 /// elogind has only this configuration
<xi:include href="standard-conf.xml" xpointer="main-conf" />
+ // 0 -->
<refsect1>
<title>Options</title>
+ <!-- 0 /// elogind also supports a few system commands
<para>All options are configured in the
<literal>[Login]</literal> section:</para>
+ --><!-- else -->
+ <para>All login options are configured in the
+ <literal>[Login]</literal> section, system sleep options are
+ configured in the <literal>[Sleep]</literal> section.</para>
+ <!-- // 0 -->
+
+ <!-- 1 /// elogind needs a second level, as we use two sections. -->
+ <refsect2><title>[Login] section:</title>
+ <!-- // 1 -->
<variablelist>
+ <!-- 0 /// elogind has no support for AutoVT
<varlistentry>
<term><varname>NAutoVTs=</varname></term>
<literal>getty</literal> available on Alt-F6.). When set to 0,
VT reservation is disabled.</para></listitem>
</varlistentry>
+ // 0 -->
<varlistentry>
<term><varname>KillUserProcesses=</varname></term>
- <listitem><para>Takes a boolean argument. Configures whether
- the processes of a user should be killed when the user
- completely logs out (i.e. after the user's last session
- ended). Defaults to <literal>no</literal>.</para>
-
- <para>Note that setting <varname>KillUserProcesses=1</varname>
+ <listitem><para>Takes a boolean argument. Configures whether the processes of a
+ <!-- 0 /// elogind has no scope unit, and goes for cgroups only
+ user should be killed when the user logs out. If true, the scope unit
+ corresponding to the session and all processes inside that scope will be
+ terminated. If false, the scope is "abandoned", see
+ <citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ and processes are not killed. Defaults to <literal>&KILL_USER_PROCESSES;</literal>,
+ --><!-- else -->
+ user should be killed when the user logs out. If true, the processes
+ listed in their session cgroup will be terminated. If false, the session cgroup
+ is ignored
+ <!-- // 0 -->
+ but see the options <varname>KillOnlyUsers=</varname> and
+ <varname>KillExcludeUsers=</varname> below.</para>
+
+ <!-- 0 /// elogind has no user manager unit, and lingering isn't clarified, yet.
+ <para>In addition to session processes, user process may run under the user
+ manager unit <filename>user@.service</filename>. Depending on the linger
+ settings, this may allow users to run processes independent of their login
+ sessions. See the description of <command>enable-linger</command> in
+ <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
+ </para>
+ // 0 -->
+
+ <para>Note that setting <varname>KillUserProcesses=yes</varname>
will break tools like
- <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para></listitem>
+ <citerefentry project='die-net'><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ and
+ <citerefentry project='die-net'><refentrytitle>tmux</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <!-- 0 /// elogind does not provide systemd-run or any equivalent, yet.
+ unless they are moved out of the session scope. See example in
+ <citerefentry><refentrytitle>systemd-run</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
+ --><!-- else -->
+ unless they are moved out of the session scope.
+ <!-- // 0 -->
+ </para></listitem>
</varlistentry>
<varlistentry>
<term><varname>KillOnlyUsers=</varname></term>
<term><varname>KillExcludeUsers=</varname></term>
- <listitem><para>These settings take space-separated lists of
- usernames that influence the effect of
- <varname>KillUserProcesses=</varname>. If not empty, only
- processes of users listed in <varname>KillOnlyUsers=</varname>
- will be killed when they log out entirely. Processes of users
- listed in <varname>KillExcludeUsers=</varname> are excluded
- from being killed. <varname>KillExcludeUsers=</varname>
- defaults to <literal>root</literal> and takes precedence over
- <varname>KillOnlyUsers=</varname>, which defaults to the empty
- list.</para></listitem>
+ <listitem><para>These settings take space-separated lists of usernames that override
+ the <varname>KillUserProcesses=</varname> setting. A user name may be added to
+ <varname>KillExcludeUsers=</varname> to exclude the processes in the session scopes of
+ that user from being killed even if <varname>KillUserProcesses=yes</varname> is set. If
+ <varname>KillExcludeUsers=</varname> is not set, the <literal>root</literal> user is
+ excluded by default. <varname>KillExcludeUsers=</varname> may be set to an empty value
+ to override this default. If a user is not excluded, <varname>KillOnlyUsers=</varname>
+ is checked next. If this setting is specified, only the session scopes of those users
+ will be killed. Otherwise, users are subject to the
+ <varname>KillUserProcesses=yes</varname> setting.</para></listitem>
</varlistentry>
<varlistentry>
<literal>kexec</literal>,
<literal>suspend</literal>,
<literal>hibernate</literal>,
- <literal>hybrid-sleep</literal>, and
+ <literal>hybrid-sleep</literal>,
+ <literal>suspend-then-hibernate</literal>, and
<literal>lock</literal>.
Defaults to <literal>ignore</literal>.</para>
<term><varname>HandleSuspendKey=</varname></term>
<term><varname>HandleHibernateKey=</varname></term>
<term><varname>HandleLidSwitch=</varname></term>
+ <term><varname>HandleLidSwitchExternalPower=</varname></term>
<term><varname>HandleLidSwitchDocked=</varname></term>
- <listitem><para>Controls whether logind shall handle the
+ <listitem><para>Controls how logind shall handle the
system power and sleep keys and the lid switch to trigger
actions such as system power-off or suspend. Can be one of
<literal>ignore</literal>,
<literal>kexec</literal>,
<literal>suspend</literal>,
<literal>hibernate</literal>,
- <literal>hybrid-sleep</literal>, and
+ <literal>hybrid-sleep</literal>,
+ <literal>suspend-then-hibernate</literal>, and
<literal>lock</literal>.
If <literal>ignore</literal>, logind will never handle these
keys. If <literal>lock</literal>, all running sessions will be
<varname>HandleSuspendKey=</varname> and
<varname>HandleLidSwitch=</varname> default to
<literal>suspend</literal>.
- <varname>HandleLidSwitchDocked=</varname> defaults to
- <literal>ignore</literal>.
+ <varname>HandleLidSwitchExternalPower=</varname> is completely
+ ignored by default (for backwards compatibility) — an explicit
+ value must be set before it will be used to determine
+ behaviour. <varname>HandleLidSwitchDocked=</varname> defaults
+ to <literal>ignore</literal>.
<varname>HandleHibernateKey=</varname> defaults to
<literal>hibernate</literal>. If the system is inserted in a
docking station, or if more than one display is connected, the
action specified by <varname>HandleLidSwitchDocked=</varname>
+ occurs; if the system is on external power the action (if any)
+ specified by <varname>HandleLidSwitchExternalPower=</varname>
occurs; otherwise the <varname>HandleLidSwitch=</varname>
- action occurs.</para></listitem>
+ action occurs.</para>
+
+ <para>A different application may disable logind's handling of system power and
+ sleep keys and the lid switch by taking a low-level inhibitor lock
+ (<literal>handle-power-key</literal>, <literal>handle-suspend-key</literal>,
+ <literal>handle-hibernate-key</literal>, <literal>handle-lid-switch</literal>).
+ This is most commonly used by graphical desktop environments
+ to take over suspend and hibernation handling, and to use their own configuration
+ mechanisms. If a low-level inhibitor lock is taken, logind will not take any
+ action when that key or switch is triggered and the <varname>Handle*=</varname>
+ settings are irrelevant.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>HibernateKeyIgnoreInhibited=</varname></term>
<term><varname>LidSwitchIgnoreInhibited=</varname></term>
- <listitem><para>Controls whether actions triggered by the
- power and sleep keys and the lid switch are subject to
- inhibitor locks. These settings take boolean arguments. If
- <literal>no</literal>, the inhibitor locks taken by
- applications in order to block the requested operation are
- respected. If <literal>yes</literal>, the requested operation
- is executed in any case.
+ <listitem><para>Controls whether actions that <command>elogind</command>
+ takes when the power and sleep keys and the lid switch are triggered are subject
+ to high-level inhibitor locks ("shutdown", "sleep", "idle"). Low level inhibitor
+ locks (<literal>handle-power-key</literal>, <literal>handle-suspend-key</literal>,
+ <literal>handle-hibernate-key</literal>, <literal>handle-lid-switch</literal>),
+ are always honored, irrespective of this setting.</para>
+
+ <para>These settings take boolean arguments. If <literal>no</literal>, the
+ inhibitor locks taken by applications are respected. If <literal>yes</literal>,
+ "shutdown", "sleep", and "idle" inhibitor locks are ignored.
<varname>PowerKeyIgnoreInhibited=</varname>,
- <varname>SuspendKeyIgnoreInhibited=</varname> and
- <varname>HibernateKeyIgnoreInhibited=</varname> default to
- <literal>no</literal>.
- <varname>LidSwitchIgnoreInhibited=</varname> defaults to
- <literal>yes</literal>. This means that the lid switch does
- not respect suspend blockers by default, but the power and
- sleep keys do. </para></listitem>
+ <varname>SuspendKeyIgnoreInhibited=</varname>, and
+ <varname>HibernateKeyIgnoreInhibited=</varname> default to <literal>no</literal>.
+ <varname>LidSwitchIgnoreInhibited=</varname> defaults to <literal>yes</literal>.
+ This means that when <command>elogind</command> is handling events by
+ itself (no low level inhibitor locks are taken by another application), the lid
+ switch does not respect suspend blockers by default, but the power and sleep keys
+ do.</para></listitem>
</varlistentry>
<varlistentry>
<listitem><para>Specifies the timeout after system startup or
system resume in which systemd will hold off on reacting to
- LID events. This is required for the system to properly
- detect any hotplugged devices so systemd can ignore LID events
+ lid events. This is required for the system to properly
+ detect any hotplugged devices so systemd can ignore lid events
if external monitors, or docks, are connected. If set to 0,
systemd will always react immediately, possibly before the
kernel fully probed all hotplugged devices. This is safe, as
limit relative to the amount of physical RAM. Defaults to 10%.
Note that this size is a safety limit only. As each runtime
directory is a tmpfs file system, it will only consume as much
- memory as is needed. </para></listitem>
+ memory as is needed.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>InhibitorsMax=</varname></term>
+
+ <listitem><para>Controls the maximum number of concurrent inhibitors to permit. Defaults to 8192
+ (8K).</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>SessionsMax=</varname></term>
+
+ <listitem><para>Controls the maximum number of concurrent user sessions to manage. Defaults to 8192
+ (8K). Depending on how the <filename>pam_systemd.so</filename> module is included in the PAM stack
+ configuration, further login sessions will either be refused, or permitted but not tracked by
+ <filename>elogind</filename>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>RemoveIPC=</varname></term>
- <listitem><para>Controls whether System V and POSIX IPC
- objects belonging to the user shall be removed when the user
- fully logs out. Takes a boolean argument. If enabled, the user
- may not consume IPC resources after the last of the user's
- sessions terminated. This covers System V semaphores, shared
- memory and message queues, as well as POSIX shared memory and
- message queues. Note that IPC objects of the root user are
- excluded from the effect of this setting. Defaults to
- <literal>yes</literal>.</para></listitem>
+ <listitem><para>Controls whether System V and POSIX IPC objects belonging to the user shall be removed when the
+ user fully logs out. Takes a boolean argument. If enabled, the user may not consume IPC resources after the
+ last of the user's sessions terminated. This covers System V semaphores, shared memory and message queues, as
+ well as POSIX shared memory and message queues. Note that IPC objects of the root user and other system users
+ are excluded from the effect of this setting. Defaults to <literal>yes</literal>.</para></listitem>
</varlistentry>
</variablelist>
+ <!-- 1 /// elogind has an additional section for system commands. -->
+ </refsect2>
+
+ <refsect2><title>[Sleep] section:</title>
+ <para><command>elogind</command> supports three general
+ power-saving modes:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term>suspend</term>
+
+ <listitem><para>a low-power state
+ where execution of the OS is paused,
+ and complete power loss might result
+ in lost data, and which is fast to
+ enter and exit. This corresponds to
+ suspend, standby, or freeze states as
+ understood by the kernel.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>hibernate</term>
+
+ <listitem><para>a low-power state
+ where execution of the OS is paused,
+ and complete power loss does not
+ result in lost data, and which might
+ be slow to enter and exit. This
+ corresponds to the hibernation as
+ understood by the kernel.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>hybrid-sleep</term>
+
+ <listitem><para>a low-power state
+ where execution of the OS is paused,
+ which might be slow to enter, and on
+ complete power loss does not result in
+ lost data but might be slower to exit
+ in that case. This mode is called
+ suspend-to-both by the kernel.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>SuspendMode=</varname></term>
+ <term><varname>HibernateMode=</varname></term>
+ <term><varname>HybridSleepMode=</varname></term>
+
+ <listitem><para>The string to be written to
+ <filename>/sys/power/disk</filename> by elogind.
+ More than one value can be specified by separating
+ multiple values with whitespace. They will be tried
+ in turn, until one is written without error. If
+ neither succeeds, the operation will be aborted.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>SuspendState=</varname></term>
+ <term><varname>HibernateState=</varname></term>
+ <term><varname>HybridSleepState=</varname></term>
+
+ <listitem><para>The string to be written to
+ <filename>/sys/power/state</filename> by elogind.
+ More than one value can be specified by separating
+ multiple values with whitespace. They will be tried
+ in turn, until one is written without error. If
+ neither succeeds, the operation will be aborted.
+ </para></listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect2>
+ <!-- // 1 -->
</refsect1>
<refsect1>
<title>See Also</title>
<para>
+ <!-- 0 /// elogind is in section 8
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ --><!-- else -->
+ <citerefentry><refentrytitle>elogind</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <!-- // 0 -->
<citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <!-- 0 /// UNNEEDED by elogind
<citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ // 0 -->
</para>
</refsect1>
~ianmdlvl / elogind.git / blobdiff