RADIUS Monitoring tool

Matthew Newton mcn4 at leicester.ac.uk
Thu Feb 26 00:12:02 CET 2015

On Wed, Feb 25, 2015 at 05:48:00PM -0500, Arran Cudbard-Bell wrote:
> You just scrape the logs from the NAS looking for "can't contact RADIUS server messages" :)

Heh. I call that a monitoring solution :)

> > OTOH, anything but monit. My experiences has been along the lines
> > of "is that service running? Oh great, let's restart it just in
> > case." Hence replaced by a very small shell script!
> Oh pfft. Monit works fine... ish.

Very much "ish". Maybe I just totally failed configuring it (for
both RADIUS and DHCP servers), but my shell script has been a)
much simpler and b) reliable. I'm all for that any day.

I wasn't joking about monit deciding to restart (actually, stop)
services just because it felt like it. I scrapped it when it
couldn't cope with simple logic.

> Munin is a fun one, i've had one hung RADIUS instance take down
> all monitoring for the box. I guess thats our fault though, for
> not implementing a read timeout in radmin.

Don't generally have a problem with munin itself. It's one of my
first turn-to things for checking what a system was doing, and
invariably useful. Always find the plugin collection a total mess,
though. Again, that could just be me.

> Suppose I should go and fix that *grumble*.

Maybe. A monitoring solution should be able to cope with that sort
of thing.


Matthew Newton, Ph.D. <mcn4 at le.ac.uk>

Systems Specialist, Infrastructure Services,
I.T. Services, University of Leicester, Leicester LE1 7RH, United Kingdom

For IT help contact helpdesk extn. 2253, <ithelp at le.ac.uk>

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