chiark / gitweb /
backlight: let udev properties override clamping
[elogind.git] / man / systemd.xml
index bf7a7a6f67209c7dc4384d1e3c9af46ef1b191b4..d020582b539cb1ea38f2d4a2e493b208fa3d142b 100644 (file)
                 <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>
                                 <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
                                 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>