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On Thu, 11 Mar 1999 [EMAIL PROTECTED] wrote:
> Hi David,
>
> >With the 2.0 series kernels (you should _really_ be using 2.0.36 for
> >security, 2.0.37 is due out in the near future) all you need to do is let
> >the system boot, have your setup scripts run the ipfwadm commands to setup
> >the filtering/masquerading rules and then run shutdown -h now. your system
> >shuts down but the kernel is still running.
>
> So, how do you shutdown/reboot the machine after it's in this mode with no
> userspace to login? Just cycle the power?
>
Yep, you are at the same point you would be after a normal shutdown
command
>
> >I have done this with
> >Slackware, with other distributions you will need to double check the
> >shutdown scripts to make sure they do not disable int interfaces. The easy
> >way to tell this is to start a ping on another machine, shutdown a test
> >machine and if the ping continues you should be set. I know that Redhat
> >specificly disables packet forwarding during shutdown and so I suspect
> >that it shuts down the interfaces as well.
>
> I only have a Redhat distribution. Could you post the shutdown script from
> slackware, please?
>
attached is the default slackware shutdown script, it is the rough
equivelant of the /etc/rc.d/rc6.d directory in redhat
David Lang
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#! /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 <[EMAIL PROTECTED]>
# Modified by: Patrick J. Volkerding, <[EMAIL PROTECTED]>
#
# 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
# 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.
$command -w
# Save localtime
[ -e /usr/lib/zoneinfo/localtime ] && cp /usr/lib/zoneinfo/localtime /etc
# Asynchronously unmount any remote filesystems:
echo "Unmounting remote filesystems."
umount -a -tnfs &
# Turn off swap, then unmount local file systems.
echo "Turning off swap."
swapoff -a
echo "Unmounting local file systems."
umount -a -tnonfs
# Don't remount UMSDOS root volumes:
if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
mount -n -o remount,ro /
fi
# See if this is a powerfail situation.
if [ -f /etc/power_is_failing ]; then
echo "Turning off UPS, bye."
/sbin/powerd -q
exit 1
fi
# Now halt or reboot.
echo "$message"
[ ! -f /etc/fastboot ] && echo "On the next boot fsck will be FORCED."
$command -f
