How to get reboot messages

Max Hetrick btmanmeh at verizon.net
Thu Nov 29 19:38:02 CET 2007


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chris serafin wrote:
> I have a bunch of devices which alert me fine up/down, but I'm looking
> to find how to get messages when they reboot. Solarwinds does this for
> me now, but I'm trying to move off this solution, but my boss want
> reboot messages as well as up/downs for the devices...
> 
> Any ideas?

Are you talking Linux? If not, ignore the rest of this message. :)

If so, what about some type of script to write a flag file when the host
reboots. Then a script which checks to see if that flag file exists. If
it exists, exit with an OK status and delete the flag file.

I set something similar to this up yesterday with an AS400 backup. My
boss was tired of getting a page off of a completed backup. He set
things up to write to an NFS share with a simple touch flag file.

I then check to see if that files exists. If the backup completed
successfully the night before it sees the file, says ok, deletes the
file and exits normally. If the file isn't there, then it exits with an
error to which we get notified.

#!/bin/bash

FILE=/var/flags/AS400_DAILY

if [ -f $FILE ]; then
        echo "OK: AS400 backup completed normally."
        rm -f $FILE
        exit 0
        else
        echo "CRIT: AS400 backup error."
        exit 2
fi

A simple script of some sort linked to /etc/init.d could write the flag
file after the system boots and disks are mounted. Once that's there,
then you can check if the file exists.

It's not elegant, but would work. If anyone has a better idea, please
chime in.

Regards,
Max
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