monitoring and alerting software ????

[Duane Winner]

Hello,

This may not be FreeBSD specific, but since I'm running nearly a 100% 
FreeBSD shop, I figured this would be as good as place as any to ask a 
question. Also, it might just turn out that the solution for me might be 
software that runs on FreeBSD.

Does anybody have recommendations for a good solution to alert me while 
I am not at work if something goes wrong with my 
infrastucture/network/servers?
In other words, if I am at home, I need to be alerted if one of my 
FreeBSD servers go down, but also if the router, firewall or switches go 
haywire.

I'm thinking along the lines of getting a cell phone, and have a central 
server with a modem dial my cell and send a text message, either 
directly or via a 3rd party service, if anything goes wrong. I am the 
sole responsible admin for babysitting my network and server farm, and 
we're setting up critical systems that must be 24x7, so now I must be 
'on call' 24x7.

Is there anything out there that will assist me with this?

Thanks,
DW