[Xymon] network traffic monitoring

Jeremy Laidman jlaidman at rebel-it.com.au
Sun Dec 8 23:57:55 CET 2013

On 6 December 2013 18:58, Kris Springer <kspringer at innovateteam.com> wrote:

> Does anyone have an easy installation guide for devmon on Ubuntu?  I
> installed it and got the SNMP_Session perl stuff installed, but I'm not
> adept enough at linux or perl to get devmon to start for some reason.  It's
> got a start script prebuilt for RedHat but that doesn't work for me and I
> don't know which paths to edit to make it work.

Here's an upstart config that Asif put together:


> Even if I do get it running it looks like I'll need some advanced configs
> with OID's that I have no idea about.

The devmon templates has the OIDs for the most common devices, and even
some uncommon ones.  It's not too difficult to craft up new ones, or extend
existing ones.

>  Devmon was suggested by previous posts so I thought I'd give it a shot.
>  MRTG seems way easier than this and doesn't require OID's.  Should I just
> go back to that?

Having used both, I think that devmon is easier to get up and running,
unless you have experience with only MRTG.  If all you want is interface
in/out traffic and error rates, MRTG will do what you want.

But you might be surprised by how much devmon gives you out of the box -
once you have it up and running.  I had a situation where a faulty power
supply was detected immediately devmon started looking at it.  Xymon has
special code to handle devmon messages, so the Xymon/devmon integration is
superior to MRTG in many cases.

I'm happy to help if you want to persevere with devmon.

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