Date: Thu, 26 Apr 2001 12:14:06 +1000 (EST) From: "Aaron Hill" <fbsdlist@futureuse.net> To: darryl@osborne-ind.com Cc: freebsd-questions@freebsd.org Subject: RE: dmesg buffer between reboots Message-ID: <49675.165.228.131.12.988251246.squirrel@www.futureuse.net> In-Reply-To: <001b01c0d952$246e54d0$0701a8c0@darryl> References: <001b01c0d952$246e54d0$0701a8c0@darryl>
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> dmesg > dmesg_sav. Puts the contents into a file name for
> preservation. The question then becomes, how to automate
> it so that it is done everytime before shutdown.
>
> -Darryl
Remember that any scripts in /usr/local/etc/rc.d are executed with the
argument stop when the system shuts down. So if you wanted to save dmesg on
each shutdown/reboot you could create a file called savedmesg.sh in that
directory with the following contents ...
#!/bin/sh
# This script saves the dmesg on shutdown
# only run on system shutdown
if [ "$1" = "stop" ]; then
dmesg > /var/log/dmesg.`date '+%d%m%y.%H%M'`
fi
You would get dmesg saved to a file reflecting the date and time everytime
you shutdown the machine. The filename would look
like /var/log/dmesg.110501.1210 for the 11th day of the 5th month in the
year 01, time 12:10. Obviously reverse the day and month around to suit
your standards.
Don't forget to make the file executable:
chmod 750 /usr/local/etc/rc.d/savedmesg.sh
Yeah I know it's rough. :-)
Aaron
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