9. Appendix B. - Sample SHUTDOWN scripts
9.1 Slackware - /etc/rc.d/rc.6
#! /bin/sh
#
# rc.6 This file is executed by init when it goes into runlevel
# 0 (halt) or runlevel 6 (reboot). It kills all processes,
# unmounts file systems and then either halts or reboots.
#
# Version: @(#)/etc/rc.d/rc.6 1.50 1994-01-15
#
# Author: Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
# Modified by: Patrick J. Volkerding, <volkerdi@ftp.cdrom.com>
#
# Modified by: Michael A. Robinton < michael@bizsystems.com >
# to add call to rc.raidown
# Set the path.
PATH=/sbin:/etc:/bin:/usr/bin
# Set linefeed mode to avoid staircase effect.
stty onlcr
echo "Running shutdown script $0:"
# Find out how we were called.
case "$0" in
*0)
message="The system is halted."
command="halt"
;;
*6)
message="Rebooting."
command=reboot
;;
*)
echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
exit 1
;;
esac
############ Save raid boot and status info ##############
#
if [ -x /etc/rc.d/rc.raidown ]; then
/etc/rc.d/rc.raidown
fi
################## end raid boot #########################
# Kill all processes.
# INIT is supposed to handle this entirely now, but this didn't always
# work correctly without this second pass at killing off the processes.
# Since INIT already notified the user that processes were being killed,
# we'll avoid echoing this info this time around.
if [ "$1" != "fast" ]; then # shutdown did not already kill all processes
killall5 -15
killall5 -9
fi
# Try to turn off quota and accounting.
if [ -x /usr/sbin/quotaoff ]
then
echo "Turning off quota."
/usr/sbin/quotaoff -a
fi
if [ -x /sbin/accton ]
then
echo "Turning off accounting."
/sbin/accton
fi
# Before unmounting file systems write a reboot or halt record to wtmp.
$command -w
# Save localtime
[ -e /usr/lib/zoneinfo/localtime ] && cp /usr/lib/zoneinfo/localtime /etc
# Asynchronously unmount any remote filesystems:
echo "Unmounting remote filesystems."
umount -a -tnfs &
# Turn off swap, then unmount local file systems.
echo "Turning off swap."
swapoff -a
echo "Unmounting local file systems."
umount -a -tnonfs
# Don't remount UMSDOS root volumes:
if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
mount -n -o remount,ro /
fi
################ for raid arrays #########################
# Stop all known raid arrays (except root which won't stop)
if [ -x /sbin/mdstop ]; then
echo "Stopping raid"
/sbin/mdstop -a
fi
##########################################################
# See if this is a powerfail situation.
if [ -f /etc/powerstatus ]; then
echo "Turning off UPS, bye."
/sbin/powerd -q
exit 1
fi
# Now halt or reboot.
echo "$message"
[ ! -f /etc/fastboot ] && echo "On the next boot fsck will be FORCED."
$command -f
############### end rc.6 #################################
9.2 Debian bo - /etc/init.d/halt and /etc/init.d/reboot
The modifications shown here for Debian bo halt and reboot files are NOT TESTED. When you test this, please e-mail me so I can remove this comment.
/etc/init.d/halt
#! /bin/sh
#
# halt The commands in this script are executed as the last
# step in runlevel 0, ie halt.
#
# Version: @(#)halt 1.10 26-Apr-1997 miquels@cistron.nl
#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
############ Save raid boot and status info ##############
#
if [ -x /etc/rc.d/rc.raidown ]; then
/etc/rc.d/rc.raidown
fi
################## end raid boot #########################
# Kill all processes.
echo -n "Sending all processes the TERM signal... "
killall5 -15
echo "done."
sleep 5
echo -n "Sending all processes the KILL signal... "
killall5 -9
echo "done."
# Write a reboot record to /var/log/wtmp.
halt -w
# Save the random seed between reboots.
/etc/init.d/urandom stop
echo -n "Deactivating swap... "
swapoff -a
echo "done."
echo -n "Unmounting file systems... "
umount -a
echo "done."
mount -n -o remount,ro /
################ for raid arrays #########################
# Stop all known raid arrays (except root which won't stop)
if [ -x /sbin/mdstop ]; then
echo "Stopping raid"
/sbin/mdstop -a
fi
##########################################################
# See if we need to cut the power.
if [ -x /etc/init.d/ups-monitor ]
then
/etc/init.d/ups-monitor poweroff
fi
halt -d -f
############# end halt ####################
/etc/init.d/reboot
#! /bin/sh # # reboot The commands in this script are executed as the last # step in runlevel 6, ie reboot. # # Version: @(#)reboot 1.9 02-Feb-1997 miquels@cistron.nl # PATH=/sbin:/bin:/usr/sbin:/usr/bin ############ Save raid boot and status info ############## # if [ -x /etc/rc.d/rc.raidown ]; then /etc/rc.d/rc.raidown fi ################## end raid boot ######################### # Kill all processes. echo -n "Sending all processes the TERM signal... " killall5 -15 echo "done." sleep 5 echo -n "Sending all processes the KILL signal... " killall5 -9 echo "done." # Write a reboot record to /var/log/wtmp. halt -w # Save the random seed between reboots. /etc/init.d/urandom stop echo -n "Deactivating swap... " swapoff -a echo "done." echo -n "Unmounting file systems... " umount -a echo "done." mount -n -o remount,ro / ################ for raid arrays ######################### # Stop all known raid arrays (except root which won't stop) if [ -x /sbin/mdstop ]; then echo "Stopping raid" /sbin/mdstop -a fi ########################################################## echo -n "Rebooting... " reboot -d -f -i
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