<para><command>loginctl</command> may be used to introspect and
control the state of the
- <citerefentry><refentrytitle>elogind</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- login manager
- <citerefentry><refentrytitle>logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ <citerefentry><refentrytitle>elogind</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ login manager.</para>
</refsect1>
<refsect1>
shown.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--value</option></term>
+
+ <listitem>
+ <para>When printing properties with <command>show</command>,
+ only print the value, and skip the property name and
+ <literal>=</literal>.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>-a</option></term>
<term><option>--all</option></term>
<constant>SIGTERM</constant>.</para></listitem>
</varlistentry>
- <varlistentry>
- <term><option>-n</option></term>
- <term><option>--lines=</option></term>
-
- <listitem><para>When used with <command>user-status</command>
- and <command>session-status</command>, controls the number of
- journal lines to show, counting from the most recent ones.
- Takes a positive integer argument. Defaults to 10.</para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>-o</option></term>
- <term><option>--output=</option></term>
-
- <listitem><para>When used with <command>user-status</command>
- and <command>session-status</command>, controls the formatting
- of the journal entries that are shown. For the available
- choices, see
- <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
- Defaults to <literal>short</literal>.</para></listitem>
- </varlistentry>
-
<xi:include href="user-system-options.xml" xpointer="host" />
<xi:include href="user-system-options.xml" xpointer="machine" />
<term><command>session-status</command> <optional><replaceable>ID</replaceable>...</optional></term>
<listitem><para>Show terse runtime status information about
- one or more sessions, followed by the most recent log data
- from the journal. Takes one or more session identifiers as
+ one or more sessions. Takes one or more session identifiers as
parameters. If no session identifiers are passed the status of
the caller's session is shown. This function is intended to
generate human-readable output. If you are looking for
<term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term>
<listitem><para>Activate a session. This brings a session into
- the foreground, if another session is currently in the
+ the foreground if another session is currently in the
foreground on the respective seat. Takes a session identifier
- as argument. If no argument is specified the session of the
+ as argument. If no argument is specified, the session of the
caller is put into foreground.</para></listitem>
</varlistentry>
<listitem><para>Activates/deactivates the screen lock on one
or more sessions, if the session supports it. Takes one or
more session identifiers as arguments. If no argument is
- specified the session of the caller is locked/unlocked.
+ specified, the session of the caller is locked/unlocked.
</para></listitem>
</varlistentry>
<term><command>user-status</command> <optional><replaceable>USER</replaceable>...</optional></term>
<listitem><para>Show terse runtime status information about
- one or more logged in users, followed by the most recent log
- data from the journal. Takes one or more user names or numeric
+ one or more logged in users. Takes one or more user names or numeric
user IDs as parameters. If no parameters are passed the status
of the caller's user is shown. This function is intended to
generate human-readable output. If you are looking for
spawned for the user at boot and kept around after logouts.
This allows users who are not logged in to run long-running
services. Takes one or more user names or numeric UIDs as
- argument. If no argument is specified enables/disables
- lingering for the user of the session of the caller.
+ argument. If no argument is specified, enables/disables
+ lingering for the user of the session of the caller.</para>
+
+ <para>See also <varname>KillUserProcesses=</varname> setting in
+ <citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
seat. The devices should be specified via device paths in the
<filename>/sys</filename> file system. To create a new seat,
attach at least one graphics card to a previously unused seat
- name. Seat names may consist only of a-z, A-Z, 0-9,
+ name. Seat names may consist only of a–z, A–Z, 0–9,
<literal>-</literal> and <literal>_</literal> and must be
prefixed with <literal>seat</literal>. To drop assignment of a
device to a specific seat, just reassign it to a different
</varlistentry>
</variablelist></refsect2>
+ <refsect2><title>System Commands</title><variablelist>
+ </variablelist></refsect2>
+ <varlistentry>
+ <term><command>poweroff</command></term>
+
+ <listitem>
+ <para>Print a wall message to all users, shut down and
+ power-off the system.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><command>reboot <optional><replaceable>arg</replaceable></optional></command></term>
+
+ <listitem>
+ <para>Print a wall message to all users, shut down and
+ reboot the system.</para>
+
+ <para>If the optional argument
+ <replaceable>arg</replaceable> is given, it will be passed
+ as the optional argument to the
+ <citerefentry><refentrytitle>reboot</refentrytitle><manvolnum>2</manvolnum></citerefentry>
+ system call. The value is architecture and firmware
+ specific. As an example, <literal>recovery</literal> might
+ be used to trigger system recovery, and
+ <literal>fota</literal> might be used to trigger a
+ <quote>firmware over the air</quote> update.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>suspend</command></term>
+
+ <listitem>
+ <para>Suspend the system.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>hibernate</command></term>
+
+ <listitem>
+ <para>Hibernate the system.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><command>hybrid-sleep</command></term>
+
+ <listitem>
+ <para>Hibernate and suspend the system.</para>
+ </listitem>
+ </varlistentry>
</refsect1>
-
<refsect1>
<title>Exit status</title>
otherwise.</para>
</refsect1>
+ <refsect1>
+ <title>Examples</title>
+
+ <example>
+ <title>Querying user status</title>
+
+ <programlisting>$ loginctl user-status
+fatima (1005)
+ Since: Sat 2016-04-09 14:23:31 EDT; 54min ago
+ State: active
+ Sessions: 5 *3
+ Unit: user-1005.slice
+ ├─user@1005.service
+ ...
+ ├─session-3.scope
+ ...
+ └─session-5.scope
+ ├─3473 login -- fatima
+ └─3515 -zsh
+
+Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session):
+ session opened for user fatima by LOGIN(uid=0)
+Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima
+</programlisting>
+
+ <para>There are two sessions, 3 and 5. Session 3 is a graphical session,
+ marked with a star. The tree of processing including the two corresponding
+ scope units and the user manager unit are shown.</para>
+ </example>
+ </refsect1>
+
<xi:include href="less-variables.xml" />
<refsect1>
<title>See Also</title>
<para>
- <citerefentry><refentrytitle>elogind</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>elogind</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>logind.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>
</refsect1>
~ianmdlvl / elogind.git / blobdiff