[wellylug] How to monitor CPU/Memory/Disk usage

[Cliff Pratt]

Jamie Dobbs wrote:
> I'm a little worried that my 'mail server' PC is getting overloaded and I
> am losing emails etc., or that I am having delays in outgoing mail.
> How can I set up some sort of monitoring to look at CPU, memory and disk
> usage - preferably in a graphical format.
> I seem to recall that cricket and/or mrtg might be able to do this but
> searching around has not shown me any way to monitor a local PC's stats -
> can anyone point me in the right direction?
> I'd like to be able to do this on Debian and Gentoo as there are a couple
> of other PCs I'd like to be able to monitor as well.
> 
Step back a bit. SMTP is designed for situation where the 
server may be unable to complete the acceptance of a 
message. If an SMTP server cannot complete the delivery of 
mail, it will wait and try again. Unless the server is busy 
*all* the time, you should not lose mail.

That doesn't mean that you shouldn't monitor of course.

Cheers,

Cliff