[mrtg] Re: using RRD Tool

Rainer Bawidamann rb1 at mogwai.rz.uni-ulm.de
Tue Nov 23 13:21:14 MET 1999

In article <Pine.BSF.3.96.991122161931.29632A-100000 at localhost>,
	sugarat at thunderhold.sugarat.net (Tim Kennedy) writes:
> I am using rrdtool-1.0.4, and 14all.cgi v0.9, and the error I get, is 
> "Cannot create graph: unknown option '--alt-y-grid'"

rrdtool should know this option since 1.0.2. Please make sure that you
really use 1.0.4.

[Tobi: I thought it's possible to "use RRDs 1.0.4" but I can see no
effect (e.g. with "use RRDs 2.1.2")]

> If I remove that --alt-y-grid option, from the push line in 14all.cgi, I
> nolonger get the error, and I get graphics, though I am not sure if they
> are the proper size.

--alt-y-grid controls only how many horizontal grid lines you have.

> Also, I have 147 router config files, all in /usr/local/MRTG/cfg/.
> Each file is named like router.domain.com.cfg, and the workdir in the
> config file is set to "/var/www/htdocs/sites/domain/" where domain is a
> two-part sitecode.statecode entry.  As some of the configs are upwards of
> 100k, i don't want to add everything into one config file, using direcotry
> statements for each individual router, as that would give me a config over
> 1 megabyte in size. (probably not optimal)  :)
> Can I use 14all.cgi to read multiple config files and still give me a
> listing? or do I need a seperate 14all.cgi for each of them?

There is a somewhat uncomplete (and undocumented) feature in the actual
14all (0.9) - it supports multiple config files. In fact it supports
giving a config file on the command line, i.e. you can call 14all with
the parameter "cfg=<config file>", e.g.


The config file name can contain a full path and should if the cgi is
not in the workdir (next version will use 'workdir' for the cfg option).

The missing part: You have to create the page with a URL/link for every
config file yourself.


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