chiark / gitweb /
macro: document that DECIMAL_STR_MAX contains space for the trailing NUL byte
[elogind.git] / man / systemd.xml
index d776815414747d88ee1f40c04f87c8d845538e03..d020582b539cb1ea38f2d4a2e493b208fa3d142b 100644 (file)
                                 <listitem><para>Upon receiving this
                                 signal the systemd system manager will
                                 start the
                                 <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
                                 <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
 
                                 <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
                                 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>
 
                                 dump</command>.</para></listitem>
                         </varlistentry>