On Sat, Jun 10, 2006 at 07:29:52PM +0100, Andy Shellam wrote: > I'm using a great little Linux program called "monit" to check that > there's something listening on the 5432 port. It also monitors > individual process memory and CPU usage etc. Quite good. A server can be quite broken yet still respond to transport- and network-layer probes like TCP connections and pings. Some NMSs support custom monitors, so whenever possible I like to do application-layer tests to ensure that the server not only accepts connections but is indeed behaving as expected. > Marc G. Fournier wrote: > > > > The subject kinda says it all ... I know there are SNMP patches > > available out there now, but without those ... ? MRTG can generate graphs of anything you can write a script to measure, as long as the script returns output in a certain format. Other packages of that ilk probably have similar capabilities. -- Michael Fuhr