chiark / gitweb /
nspawn: allow access to device nodes listed in --bind= and --bind-ro= switches
[elogind.git] / man / logind.conf.xml
index 54cc3790486d8498eb0067c86ed45d122e2ca953..9332e80756a6adc77a9fbff050b5952ecfa621ec 100644 (file)
@@ -1,7 +1,6 @@
 <?xml version='1.0'?> <!--*-nxml-*-->
-<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
 <!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">
 
 <!--
   This file is part of systemd.
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
-<refentry id="logind.conf" conditional='ENABLE_LOGIND'>
-        <refentryinfo>
-                <title>logind.conf</title>
-                <productname>systemd</productname>
-
-                <authorgroup>
-                        <author>
-                                <contrib>Developer</contrib>
-                                <firstname>Lennart</firstname>
-                                <surname>Poettering</surname>
-                                <email>lennart@poettering.net</email>
-                        </author>
-                </authorgroup>
-        </refentryinfo>
-
-        <refmeta>
-                <refentrytitle>logind.conf</refentrytitle>
-                <manvolnum>5</manvolnum>
-        </refmeta>
-
-        <refnamediv>
-                <refname>logind.conf</refname>
-                <refpurpose>Login manager configuration file</refpurpose>
-        </refnamediv>
-
-        <refsynopsisdiv>
-                <para><filename>/etc/systemd/logind.conf</filename></para>
-        </refsynopsisdiv>
-
-        <refsect1>
-                <title>Description</title>
-
-                <para>This file configures various parameters of the systemd login manager, <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
-
-        </refsect1>
-
-        <refsect1>
-                <title>Options</title>
-
-                <para>All options are configured in the
-                <literal>[Login]</literal> section:</para>
-
-                <variablelist>
-
-                        <varlistentry>
-                                <term><varname>NAutoVTs=</varname></term>
-
-                                <listitem><para>Takes a positive
-                                integer. Configures how many virtual
-                                terminals (VTs) to allocate by default
-                                that, when switched to and are
-                                previously unused,
-                                <literal>autovt</literal> services are
-                                automatically spawned on. These
-                                services are instantiated from the
-                                template unit
-                                <filename>autovt@.service</filename>
-                                for the respective VT TTY name,
-                                e.g. <filename>autovt@tty4.service</filename>. By
-                                default,
-                                <filename>autovt@.service</filename>
-                                is linked to
-                                <filename>getty@.service</filename>,
-                                i.e. login prompts are started
-                                dynamically as the user switches to
-                                unused virtual terminals. Hence, this
-                                parameter controls how many login
-                                <literal>gettys</literal> are
-                                available on the VTs. If a VT is
-                                already used by some other subsystem
-                                (for example a graphical login), this
-                                kind of activation will not be
-                                attempted. Note that the VT configured
-                                in <varname>ReserveVT=</varname> is
-                                always subject to this kind of
-                                activation, even if it is not one of
-                                VTs configured with the
-                                <varname>NAutoVTs=</varname>
-                                directive. Defaults to 6. When set to
-                                0, automatic spawning of
-                                <literal>autovt</literal> services is
-                                disabled.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>ReserveVT=</varname></term>
-
-                                <listitem><para>Takes a positive
-                                integer. Configures the number of one
-                                virtual terminal that shall
-                                unconditionally be reserved for
-                                <filename>autovt@.service</filename>
-                                activation (see above). The VT
-                                selected with this option will be
-                                marked busy unconditionally, so that no
-                                other subsystem will allocate it. This
-                                functionality is useful to ensure that
-                                regardless of how many VTs are allocated
-                                by other subsystems, one login
-                                <literal>getty</literal> is always
-                                available. Defaults to 6 (in other
-                                words, there will always be a
-                                <literal>getty</literal> available on
-                                Alt-F6.). When set to 0, VT
-                                reservation is
-                                disabled.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>KillUserProcesses=</varname></term>
-
-                                <listitem><para>Takes a boolean
-                                argument. Configures whether the
-                                processes of a user should be killed
-                                when she or he completely logs out (i.e. after
-                                her/his last session ended). Defaults to
-                                <literal>no</literal>.</para>
-
-                                <para>Note that setting
-                                <varname>KillUserProcesses=1</varname>
-                                will break tools like
-                                <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</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>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>IdleAction=</varname></term>
-
-                                <listitem><para>Configures the action
-                                to take when the system is idle. Takes
-                                one of <literal>ignore</literal>,
-                                <literal>poweroff</literal>,
-                                <literal>reboot</literal>,
-                                <literal>halt</literal>,
-                                <literal>kexec</literal>,
-                                <literal>suspend</literal>,
-                                <literal>hibernate</literal>,
-                                <literal>hybrid-sleep</literal>,
-                                <literal>lock</literal>. Defaults to
-                                <literal>ignore</literal>.</para>
-
-                                <para>Note that this requires that
-                                user sessions correctly report the
-                                idle status to the system. The system
-                                will execute the action after all
-                                sessions report that they are idle,
-                                no idle inhibitor lock is active,
-                                and subsequently, the time configured
-                                with <varname>IdleActionSec=</varname>
-                                (see below) has expired.</para>
-                                </listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>IdleActionSec=</varname></term>
-
-                                <listitem><para>Configures the delay
-                                after which the action configured in
-                                <varname>IdleAction=</varname> (see
-                                above) is taken after the system is
-                                idle.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>InhibitDelayMaxSec=</varname></term>
-
-                                <listitem><para>Specifies the maximum
-                                time a system shutdown or sleep
-                                request is delayed due to an inhibitor
-                                lock of type <literal>delay</literal>
-                                being active before the inhibitor is
-                                ignored and the operation executes
-                                anyway. Defaults to
-                                5s.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>HandlePowerKey=</varname></term>
-                                <term><varname>HandleSuspendKey=</varname></term>
-                                <term><varname>HandleHibernateKey=</varname></term>
-                                <term><varname>HandleLidSwitch=</varname></term>
-
-                                <listitem><para>Controls whether
-                                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>poweroff</literal>,
-                                <literal>reboot</literal>,
-                                <literal>halt</literal>,
-                                <literal>kexec</literal>,
-                                <literal>suspend</literal>,
-                                <literal>hibernate</literal>,
-                                <literal>hybrid-sleep</literal> and
-                                <literal>lock</literal>. If
-                                <literal>ignore</literal>, logind will
-                                never handle these keys. If
-                                <literal>lock</literal>, all running
-                                sessions will be screen-locked; otherwise,
-                                the specified action
-                                will be taken in the respective
-                                event. Only input devices with the
-                                <literal>power-switch</literal> udev
-                                tag will be watched for key/lid switch
-                                events. <varname>HandlePowerKey=</varname>
-                                defaults to
-                                <literal>poweroff</literal>.
-                                <varname>HandleSuspendKey=</varname>
-                                and
-                                <varname>HandleLidSwitch=</varname>
-                                default to <literal>suspend</literal>.
-                                <varname>HandleHibernateKey=</varname>
-                                defaults to
-                                <literal>hibernate</literal>.</para></listitem>
-                        </varlistentry>
-
-                        <varlistentry>
-                                <term><varname>PowerKeyIgnoreInhibited=</varname></term>
-                                <term><varname>SuspendKeyIgnoreInhibited=</varname></term>
-                                <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>off</literal>, the inhibitor
-                                locks taken by applications in order
-                                to block the requested operation are
-                                respected. If <literal>on</literal>,
-                                the requested operation is executed in
-                                any
-                                case. <varname>PowerKeyIgnoreInhibited=</varname>,
-                                <varname>SuspendKeyIgnoreInhibited=</varname>
-                                and
-                                <varname>HibernateKeyIgnoreInhibited=</varname>
-                                default to <literal>off</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>
-                        </varlistentry>
-
-                </variablelist>
-        </refsect1>
-
-        <refsect1>
-                  <title>See Also</title>
-                  <para>
-                          <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                          <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-                          <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                          <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
-                  </para>
-        </refsect1>
+<refentry id="logind.conf" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <refentryinfo>
+    <title>logind.conf</title>
+    <productname>systemd</productname>
+
+    <authorgroup>
+      <author>
+        <contrib>Developer</contrib>
+        <firstname>Lennart</firstname>
+        <surname>Poettering</surname>
+        <email>lennart@poettering.net</email>
+      </author>
+    </authorgroup>
+  </refentryinfo>
+
+  <refmeta>
+    <refentrytitle>logind.conf</refentrytitle>
+    <manvolnum>5</manvolnum>
+  </refmeta>
+
+  <refnamediv>
+    <refname>logind.conf</refname>
+    <refname>logind.conf.d</refname>
+    <refpurpose>Login manager configuration files</refpurpose>
+  </refnamediv>
+
+  <refsynopsisdiv>
+    <para><filename>/etc/systemd/logind.conf</filename></para>
+    <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>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title>Description</title>
+
+    <para>These files configure various parameters of the systemd
+    login manager,
+    <citerefentry><refentrytitle>logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
+    </para>
+  </refsect1>
+
+  <xi:include href="standard-conf.xml" xpointer="main-conf" />
+
+  <refsect1>
+    <title>Options</title>
+
+    <para>All options are configured in the
+    <literal>[Login]</literal> section:</para>
+
+    <variablelist>
+
+      <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>
+        will break tools like
+        <citerefentry project='die-net'><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</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>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>IdleAction=</varname></term>
+
+        <listitem><para>Configures the action to take when the system
+        is idle. Takes one of
+        <literal>ignore</literal>,
+        <literal>poweroff</literal>,
+        <literal>reboot</literal>,
+        <literal>halt</literal>,
+        <literal>kexec</literal>,
+        <literal>suspend</literal>,
+        <literal>hibernate</literal>,
+        <literal>hybrid-sleep</literal>, and
+        <literal>lock</literal>.
+        Defaults to <literal>ignore</literal>.</para>
+
+        <para>Note that this requires that user sessions correctly
+        report the idle status to the system. The system will execute
+        the action after all sessions report that they are idle, no
+        idle inhibitor lock is active, and subsequently, the time
+        configured with <varname>IdleActionSec=</varname> (see below)
+        has expired.</para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>IdleActionSec=</varname></term>
+
+        <listitem><para>Configures the delay after which the action
+        configured in <varname>IdleAction=</varname> (see above) is
+        taken after the system is idle.</para></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>InhibitDelayMaxSec=</varname></term>
+
+        <listitem><para>Specifies the maximum time a system shutdown
+        or sleep request is delayed due to an inhibitor lock of type
+        <literal>delay</literal> being active before the inhibitor is
+        ignored and the operation executes anyway. Defaults to
+        5.</para></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>HandlePowerKey=</varname></term>
+        <term><varname>HandleSuspendKey=</varname></term>
+        <term><varname>HandleHibernateKey=</varname></term>
+        <term><varname>HandleLidSwitch=</varname></term>
+        <term><varname>HandleLidSwitchDocked=</varname></term>
+
+        <listitem><para>Controls whether 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>poweroff</literal>,
+        <literal>reboot</literal>,
+        <literal>halt</literal>,
+        <literal>kexec</literal>,
+        <literal>suspend</literal>,
+        <literal>hibernate</literal>,
+        <literal>hybrid-sleep</literal>, and
+        <literal>lock</literal>.
+        If <literal>ignore</literal>, logind will never handle these
+        keys. If <literal>lock</literal>, all running sessions will be
+        screen-locked; otherwise, the specified action will be taken
+        in the respective event. Only input devices with the
+        <literal>power-switch</literal> udev tag will be watched for
+        key/lid switch events. <varname>HandlePowerKey=</varname>
+        defaults to <literal>poweroff</literal>.
+        <varname>HandleSuspendKey=</varname> and
+        <varname>HandleLidSwitch=</varname> default to
+        <literal>suspend</literal>.
+        <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; otherwise the <varname>HandleLidSwitch=</varname>
+        action occurs.</para></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>PowerKeyIgnoreInhibited=</varname></term>
+        <term><varname>SuspendKeyIgnoreInhibited=</varname></term>
+        <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.
+        <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>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>HoldoffTimeoutSec=</varname></term>
+
+        <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
+        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
+        long as you do not care for systemd to account for devices
+        that have been plugged or unplugged while the system was off.
+        Defaults to 30s.</para></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><varname>RuntimeDirectorySize=</varname></term>
+
+        <listitem><para>Sets the size limit on the
+        <varname>$XDG_RUNTIME_DIR</varname> runtime directory for each
+        user who logs in. Takes a size in bytes, optionally suffixed
+        with the usual K, G, M, and T suffixes, to the base 1024
+        (IEC). Alternatively, a numerical percentage suffixed by
+        <literal>%</literal> may be specified, which sets the size
+        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>
+      </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>
+      </varlistentry>
+
+    </variablelist>
+  </refsect1>
+
+  <refsect1>
+      <title>See Also</title>
+      <para>
+        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+        <citerefentry><refentrytitle>logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+        <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+        <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+      </para>
+  </refsect1>
 
 </refentry>