systemd/units/emergency.service

#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.

# See systemd.special(7) for details

[Unit]
Description=Emergency Shell
DefaultDependencies=no
Conflicts=shutdown.target
Before=shutdown.target

[Service]
Environment=HOME=/root
WorkingDirectory=/root
ExecStartPre=-/bin/plymouth quit
ExecStartPre=-/bin/echo 'Welcome to emergency mode. Use "systemctl default" or ^D to enter default mode.'
ExecStart=-/sbin/sulogin
ExecStopPost=/bin/systemctl --fail --no-block default
StandardInput=tty-force
StandardOutput=inherit
StandardError=inherit
KillMode=process
IgnoreSIGPIPE=no

# Bash ignores SIGTERM, so we send SIGHUP instead, to ensure that bash
# terminates cleanly.
KillSignal=SIGHUP
units: move a number of units into the tarball 2010-05-16 22:49:41 +04:00			`# This file is part of systemd.`
			`#`
			`# systemd is free software; you can redistribute it and/or modify it`
			`# under the terms of the GNU General Public License as published by`
			`# the Free Software Foundation; either version 2 of the License, or`
			`# (at your option) any later version.`

man: document a few special units 2010-05-17 00:45:11 +04:00			`# See systemd.special(7) for details`

units: rename [Meta] section to [Unit] 2010-04-16 01:20:17 +04:00			`[Unit]`
units: install a few basic units by default 2010-04-13 07:18:12 +04:00			`Description=Emergency Shell`
units: update shipped unit files for DefaultDependencies= 2010-07-03 21:53:37 +04:00			`DefaultDependencies=no`
units: make fedora/single.service standard and rename it to rescue.service 2010-10-29 06:09:36 +04:00			`Conflicts=shutdown.target`
			`Before=shutdown.target`
units: install a few basic units by default 2010-04-13 07:18:12 +04:00
			`[Service]`
units: set HOME=/root when running shells 2010-09-10 18:53:53 +04:00			`Environment=HOME=/root`
units: set working directory to /root for sulogin, since sulogin is crazy 2010-09-10 19:11:29 +04:00			`WorkingDirectory=/root`
rescue: terminate plymouth entirely when going into rescue mode 2011-02-23 20:42:08 +03:00			`ExecStartPre=-/bin/plymouth quit`
units: reword rescue/emergency mode message to fit in 80chars 2012-02-15 23:06:14 +04:00			`ExecStartPre=-/bin/echo 'Welcome to emergency mode. Use "systemctl default" or ^D to enter default mode.'`
units: invoke sulogin instead of /bin/sh 2010-08-25 05:15:12 +04:00			`ExecStart=-/sbin/sulogin`
units: add --no-block when starting normal service after shell exited 2011-04-14 01:29:51 +04:00			`ExecStopPost=/bin/systemctl --fail --no-block default`
units: introduce emergency.target 2010-07-13 01:49:20 +04:00			`StandardInput=tty-force`
units: direct stdout/stderr of rescue shells to tty With output of services going to syslog by default now, the rescue shell units need to direct their output to tty explicitly. Specify stderr too, just in case. 2011-09-20 14:11:04 +04:00			`StandardOutput=inherit`
			`StandardError=inherit`
exec: drop process group kill mode since it has little use and confuses the user 2011-03-30 01:31:38 +04:00			`KillMode=process`
service: ignore SIGPIPE by default 2012-02-09 06:18:04 +04:00			`IgnoreSIGPIPE=no`
units: kill the emergency shell with SIGHUP 2010-07-08 06:21:53 +04:00
units: always send HUP when dealing with shells/gettys/logins 2010-08-05 22:29:11 +04:00			`# Bash ignores SIGTERM, so we send SIGHUP instead, to ensure that bash`
units: kill the emergency shell with SIGHUP 2010-07-08 06:21:53 +04:00			`# terminates cleanly.`
units: always send HUP when dealing with shells/gettys/logins 2010-08-05 22:29:11 +04:00			`KillSignal=SIGHUP`