FreeBSD Administration Question

Dominic Mitchell dom at happygiraffe.net
Thu Jun 13 14:48:11 BST 2002


On Wed, Jun 12, 2002 at 10:18:38PM +0100, rik wrote:
> On Wed, Jun 12, 2002 at 08:41:20PM +0100, Matthew Seaman wrote:
> > Another cool bit of monitoring software is MRTG --
> > http://people.ee.ethz.ch/~oetiker/webtools/mrtg/ and it's in ports.
> > MRTG works via SNMP, so you'll need to install net-snmp too.  It's
> 
> An alternative (and possibly preferred ) solution is RRDTool. It is
> available from:
>   http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/
> It's by the same person (Tobi Oetiker), and is more powerful, flexible,
> and quiker to run. It will log any data you give to it. From any source.
> It will also generate graphs on demand, rather than all the time. All
> you need to do is collect the data, and give it to RRDTool. This means
> you can avoid installing SNMP, if you don't like it, or are concerned
> about its security, or just don't like it.
> 
> I generate a bunch of graphs with RRDTool for each major kind of traffic
> in and out of my hosted machine, disk space, cpu usage, number of emails
> in and out of the machine, and number of port scans per day.
> 
> Literally, anything you can extract numbers for, it will graph. It does
> mean writing your own data gathering scripts though, but that's not
> hard. Just a few lines of perl will usually do.

    http://cricket.sourceforge.net/

is a good front end to rrdtool and it scales to many many machines
easily.  It's in the ports (net/cricket).

-Dom




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