backlight: let udev properties override clamping

[elogind.git] / man / systemd.xml

diff --git a/man/systemd.xml b/man/systemd.xml
index bcbfa02ba1fcc9a94cc12309994c4c5153c61cb2..d020582b539cb1ea38f2d4a2e493b208fa3d142b 100644 (file)
--- a/man/systemd.xml
+++ b/man/systemd.xml
@@ -75,10 +75,12 @@
                 <citerefentry><refentrytitle>telinit</refentrytitle><manvolnum>8</manvolnum></citerefentry>
                 for more information.</para>
 
-                <para>When run as system instance, systemd interprets
-                the configuration file
-                <filename>system.conf</filename>, otherwise
-                <filename>user.conf</filename>. See
+                <para>When run as a system instance, systemd interprets the
+                configuration file <filename>system.conf</filename> and the
+                files in <filename>system.conf.d</filename> directories; when
+                run as a user instance, systemd interprets the configuration
+                file <filename>user.conf</filename> and the files in
+                <filename>user.conf.d</filename> directories. See
                 <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for more information.</para>
         </refsect1>
@@ -180,10 +182,8 @@
                                 target. Argument must be one of
                                 <option>console</option>,
                                 <option>journal</option>,
-                                <option>syslog</option>,
                                 <option>kmsg</option>,
                                 <option>journal-or-kmsg</option>,
-                                <option>syslog-or-kmsg</option>,
                                 <option>null</option>.</para></listitem>
                         </varlistentry>
                         <varlistentry>
@@ -627,10 +627,19 @@
                                 <listitem><para>Upon receiving this
                                 signal the systemd system manager will
                                 start the
-                                <filename>ctrl-alt-del.target</filename> unit. This
-                                is mostly equivalent to
+                                <filename>ctrl-alt-del.target</filename>
+                                unit. This is mostly equivalent to
                                 <command>systemctl start
-                                ctl-alt-del.target</command>.</para>
+                                ctl-alt-del.target</command>. If this
+                                signal is received more often than 7
+                                times per 2s an immediate reboot is
+                                triggered. Note that pressing
+                                Ctrl-Alt-Del on the console will
+                                trigger this signal. Hence, if a
+                                reboot is hanging pressing
+                                Ctrl-Alt-Del more than 7 times in 2s
+                                is a relatively safe way to trigger an
+                                immediate reboot.</para>
 
                                 <para>systemd user managers
                                 treat this signal the same way as
@@ -681,7 +690,7 @@
                                 received the systemd manager will log
                                 its complete state in human readable
                                 form. The data logged is the same as
-                                printed by <command>systemctl
+                                printed by <command>systemd-analyze
                                 dump</command>.</para></listitem>
                         </varlistentry>
 
@@ -844,26 +853,21 @@
                                 <term><constant>SIGRTMIN+26</constant></term>
                                 <term><constant>SIGRTMIN+27</constant></term>
                                 <term><constant>SIGRTMIN+28</constant></term>
-                                <term><constant>SIGRTMIN+29</constant></term>
 
                                 <listitem><para>Sets the log level to
-                                <literal>journal-or-kmsg</literal>
-                                (or <literal>console</literal> on
+                                <literal>journal-or-kmsg</literal> (or
+                                <literal>console</literal> on
                                 <constant>SIGRTMIN+27</constant>,
                                 <literal>kmsg</literal> on
-                                <constant>SIGRTMIN+28</constant>,
-                                or <literal>syslog-or-kmsg</literal>
-                                on <constant>SIGRTMIN+29</constant>), as
+                                <constant>SIGRTMIN+28</constant>), as
                                 controlled via
                                 <varname>systemd.log_target=journal-or-kmsg</varname>
-                                (or <varname>systemd.log_target=console</varname>
-                                on <constant>SIGRTMIN+27</constant>,
+                                (or
+                                <varname>systemd.log_target=console</varname>
+                                on <constant>SIGRTMIN+27</constant> or
                                 <varname>systemd.log_target=kmsg</varname>
-                                on <constant>SIGRTMIN+28</constant>,
-                                or
-                                <varname>systemd.log_target=syslog-or-kmsg</varname>
-                                on <constant>SIGRTMIN+29</constant>) on
-                                the kernel command
+                                on <constant>SIGRTMIN+28</constant>)
+                                on the kernel command
                                 line.</para></listitem>
                         </varlistentry>
                 </variablelist>
@@ -1132,17 +1136,19 @@
                         </varlistentry>
 
                         <varlistentry>
-                                <term><varname>-b</varname></term>
                                 <term><varname>emergency</varname></term>
+                                <term><varname>-b</varname></term>
 
                                 <listitem><para>Boot into emergency
                                 mode. This is equivalent to
                                 <varname>systemd.unit=emergency.target</varname>
-                                and provided for compatibility
-                                reasons and to be easier to type.</para></listitem>
+                                and provided for compatibility reasons
+                                and to be easier to
+                                type.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
+                                <term><varname>rescue</varname></term>
                                 <term><varname>single</varname></term>
                                 <term><varname>s</varname></term>
                                 <term><varname>S</varname></term>