along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
-<refentry id="logind.conf">
+<refentry id="logind.conf" conditional='ENABLE_LOGIND'>
<refentryinfo>
<title>logind.conf</title>
<productname>systemd</productname>
</refnamediv>
<refsynopsisdiv>
- <para><filename>logind.conf</filename></para>
+ <para><filename>/etc/systemd/logind.conf</filename></para>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
- <para>This files configures various parameters of the systemd login manager.</para>
+ <para>This file configures various parameters of the systemd login manager, <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</refsect1>
<term><varname>NAutoVTs=</varname></term>
<listitem><para>Takes a positive
- integer. How many virtual terminals to
- allocate by default and when switched
- to autospawn <literal>autovt</literal>
- services on (if they are otherwise
- unused). These services are
- instantiated from a template of
+ 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>
- with the virtual terminal TTY name,
+ for the respective VT TTY name,
e.g. <filename>autovt@tty4.service</filename>. By
- default
+ 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, and this
- parameter hence controls how many
- gettys are available on the virtual
- terminals. Defaults to 6. When set 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>
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></listitem>
+ <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>KillExcludeUsers=</varname></term>
<listitem><para>These settings take
- space separated lists of user names
+ space-separated lists of usernames
that influence the effect of
<varname>KillUserProcesses=</varname>. If
- not empty only processes of users
+ not empty, only processes of users
listed in
- <varname>KillOnlyUsers</varname> will
+ <varname>KillOnlyUsers=</varname> will
be killed when they log out
entirely. Processes of users listed in
<varname>KillExcludeUsers=</varname>
killed. <varname>KillExcludeUsers=</varname>
defaults to <literal>root</literal>
and takes precedence over
- <varname>KillOnlyUsers=</varname>
+ <varname>KillOnlyUsers=</varname>,
which defaults to the empty list.</para></listitem>
</varlistentry>
<varlistentry>
- <term><varname>Controllers=</varname></term>
- <term><varname>ResetControllers=</varname></term>
-
- <listitem><para>These settings control
- the default control group hierarchies
- users logging are added to. When
- logging in users will get private
- control groups in all hierarchies
- listed in
- <varname>Controllers=</varname> and be
- reset to the root control group in all
- hierarchies listed in
- <varname>ResetControllers=</varname>. <varname>Controllers=</varname>
- defaults to the empty list,
- <varname>ResetControllers=</varname>
- defaults to
- <literal>cpu</literal>.</para></listitem>
+ <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>
time a system shutdown or sleep
request is delayed due to an inhibitor
lock of type <literal>delay</literal>
- being taken before it is ignored and
- the operation executed
+ 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>. Note
+ that the lid switch is ignored if the
+ system is inserted in a docking
+ station, or if more than one display
+ is connected.</para></listitem>
</varlistentry>
- </variablelist>
+ <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>
- <para>Note that setting
- <varname>KillUserProcesses=1</varname> will break tools
- like
- <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
-
- <para>Note that <varname>KillUserProcesses=1</varname>
- is a weaker version of
- <varname>kill-session-processes=1</varname> which may
- be configured per-service for
- <citerefentry><refentrytitle>pam_systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>. The
- latter kills processes of a session as soon as it
- ends, the former kills processes as soon as the last
- session of the user ends.</para>
+ <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,
+ possibly suffixed with the usual K, G,
+ M, T suffixes, to the base 1024
+ (IEC). Alternatively, a 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 it is filled up
+ to.</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 she or he fully logs out. Takes a
+ boolean argument. If enabled, the user
+ may not consume IPC resources after
+ the last of his 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
+ on.</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.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>
</refsect1>
~ianmdlvl / elogind.git / blobdiff