[mrtg] Re: script question

[Albinati, Luis Martin]

does your script return a counter-like (incremental) integer value? or an
absolute (current status) integer value of the modem usage? because mrtg by
default assumes that returned values are incremental, so if your script
returns a current status value you need to add the options 'gauge' and
'absolute' in your cfg file. This way mrtg will treat your values as current
status values and not counter.
Check: http://people.ee.ethz.ch/~oetiker/webtools/mrtg/reference.html for
more detailed information, sections: External Monitoring Scripts and Options

Greetings,
Luis

Luis Martin Albinati
N.O.C.
Prima S.A. - Argentina
Ciudad Internet / Datamarkets
Phone #: (54)11-4370-0024
E-Mail: albo at prima.com.ar <mailto:albo at prima.com.ar> 


-----Original Message-----
From: Jerl [mailto:jerl.simpson at joplin.com]
Sent: Jueves, 12 de Julio de 2001 09:47 AM
To: Mrtg
Subject: [mrtg] script question



I was wondering if someone could help me with a problem using an
external script.

I have put together a bash script that uses snmpwalk to gather some info
on a USRTotal Control System.  And a perl script that actually uses the
bash file.  The perl outputs an integer that I want to keep track of in
an MRTG graph.
I have set up the mrtg.cfg file to look like this:

Target[mdm-use]: '/pathto/mrtgconfigs/usage.pl'
Title[mdm-use]: Modems in Use
MaxBytes[mdm-use]: 529
PageTop[mdm-use]: <H1> Modem Usage
 </H1>
 <TABLE>
   <TR><TD>System:</TD><TD>USR Rack</TD></TR>
   <TR><TD>Maintainer:</TD><TD></TD></TR>
   <TR><TD>Interface:</TD><TD>All modems</TD></TR>
   <TR><TD>Max Users:</TD>
       <TD>529</TD></TR>
  </TABLE>


When I run usage.pl it gives the output I want (which is a single
integer ie. 273), but the log files never change when I run it in MRTG.

Any help is greatly appreciated.

Jerl

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