[mrtg] Re: Dumb Question about user-written scripts.

[Stieers, Ken]

One more addition:  depeding upon what you are reading and how the data is
presented, you may need to use 'gauge' or 'absolute' on the Options[target]:
line. 

Ken 


> -----Original Message-----
> From: Ted Bruyere [mailto:tbruyere at bombshelter.ca]
> Sent: Tuesday, July 06, 1999 10:02 PM
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Dumb Question about user-written scripts.
> 
> 
> I've been reading docs and trying to get something to work, here's my
> trouble, and I'd greatly appreciate it if anyone can tell me 
> the answers
> to my questions.
> 
> One: I have seen from my journey through the contrib dir, that the
> apparent output that is required from a script is either text 
> to stdout in
> the form
> 
> low_number
> high_number
> name
> 
> or 
> 
> low_number
> avg_number
> high_number
> name
> 
> I can't find anywhere that tells me this explicitly, but I 
> believe I've
> seen scripts that do each. 
> 
> Question 2 is that I have written a script, it returns 
> low/avg/high/name
> to sdout (and I've also tried low/high/name) and also logs to
> /usr/local/log/ dir, so I can see what happens.
> 
> Well I can run the script fine by hand, but when I give the target
> 
> Target[bombshelter.ca.cpuload]: '/usr/local/bin/perl 
> /usr/local/bin/cpuload'
> 
> or 
> 
> Target[bombshelter.ca.cpuload]: '/usr/local/bin/cpuload'
> 
> (the file is world-runnable and has #!/usr/local/bin/perl as 
> the top line,
> so it should run)
> 
> nevertheless, the mrtg runs, it does so without any error 
> messages and yet
> I never see the log file update. This might make sense if 
> there was some
> bizarre redirection going on, but the output from my script is never
> reflected in the graphs (yes, I've deleted them and rebuilt). 
> 
> Any light anyone can shed on this problem would be greatly 
> appreciated,
> even if only to point me towards some obvious piece of docco 
> I'm missing.
> 
> Thanks.
> 
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