[mrtg] Editing a .cfg creating the cgi etc

Steve Shipway s.shipway at auckland.ac.nz
Thu Oct 14 22:57:48 CEST 2010

If you are running MRTG in Native mode (no RRDTool) then each run of MRTG will update the .log files, and produce the .html and .png/.gif image files.

If you are running MRTG in RRDTool mode, then each run will update the .rrd files ONLY.  You then need to obtain a CGI script from somewhere (either Routers2.cgi, 14all.cgi or mrtg-rrd.cgi) and install it, and then this CGI will generate the graph images on demand.  MRTG does not create the CGI scripts itself.

Obtain Routers2 from www.steveshipway.org/software<http://www.steveshipway.org/software> unpack it and run the install.pl script to install and configure (but I'm a bit biased in recommending it...)


Steve Shipway
ITS Unix Services Design Lead
University of Auckland, New Zealand
Floor 1, 58 Symonds Street, Auckland
Phone: +64 (0)9 3737599 ext 86487
DDI: +64 (0)9 924 6487
Mobile: +64 (0)21 753 189
Email: s.shipway at auckland.ac.nz<mailto:s.shipway at auckland.ac.nz>
P Please consider the environment before printing this e-mail

From: mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch [mailto:mrtg-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch] On Behalf Of Jensen, Mark
Sent: Friday, 15 October 2010 6:42 a.m.
To: mrtg
Subject: [mrtg] Editing a .cfg creating the cgi etc

Hello all, I am using mrtg to monitor a couple switch ports on different switches in my network. I have a .cfg file already made and working for this but I need to edit it and change a couple interfaces. If I edit the cfg how do I get these changes to propagate into the cgi and png files?  I tried to do a perl mrtg necsystem.cfg  this hangs and no output is seen.  Is there any type of doc for doing this?

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