[mrtg] Re: changing y minimum

[alex at ergens.op.Het.Net]

Saulo de Araujo Pereira wrote:

> My problem now is that I want to monitor things that have small variation
> around 20 (say from 18 -  22, in a year). So if I could change the
> y-axis to show 15 as its lowest value it would be great, because
> the graph would be more meaningful.

Yes, that would be great.

> I have read all documentation and looked for the answer in newsgroups.
> Where would I change the mrtg perl file to get this feature?

If you want to hack this yourself, you need to change rateup.
Only after you've modified this you can think about adding an option
to MRTG which will use that modification.

IMHO you're better of by using rrdtool.  You can then write a script
that does exactly what you want.  Start using rrdtool by using 14all,
then write your own graph-script.

regards,
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