Byte.com: How To Monitor Networks With Linux

“Mixed Unix And NT Networks Need Watching”

“Let’s take an everyday situation. You manage a network of some
Unix servers and probably some Windows NT machines. There are Web
servers, file servers, and database servers. There will be days
when some of these services work less well or not at all. You
should know BEFORE your boss walks into your office that a service
is down and have an answer ready by the time he walks in.”

“In other words, you need tools that automate the supervision of
network resources and report problems quickly.”

“You might buy an expensive Network Management tool such as HP
OvenView (there are others as well). But if all you want is just a
simple supervision program, all you need is a Linux box somewhere
with a connection to the network and the tips in this article.”