<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>