dizzysaurus
n00b
Joined: 31 Jul 2003
Posts: 38
Location: MI, US
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 Posted: Tue Nov 25, 2003 7:17 pm Post subject: FIXED -- Using MRTG for memory monitoring only works locally |
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Hi Guys/Gals,
From https://forums.gentoo.org/viewtopic.php?t=105865 I set up mrtg monitoring on my admin box. Now I want to do the same on my other boxes.
On each box I added an snmpd.conf that allows access from my admin box: | Code: | | com2sec local machine's IP Address public |
and on my admin box I created a new set of mrtg config scripts, with the details changed to point to the remote machines.
While CPU and traffic monitoring work OK (as far as I can tell - these new boxes have multiple processors). I can't get any details of free memory or used swap. The local machine's mrtg log file for memory has entries like: | Code: | 1069787704 494680 494680 494680 494680
1069787404 503520 503520 503520 503520
1069787400 503362 503362 503520 503520
1069787100 491744 491744 494720 494720
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The log files for the remote machines contain | Code: | 1069787704 0 0 0 0
1069787403 0 0 0 0
1069787400 0 0 0 0
1069787100 0 0 0 0
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Is there any way to tell where along the line things are going wrong? I used console output for the snmpd on the remote boxes and it certainly seems like the requests are getting through. How can I tell if the information is correct or not? How can I find out what mrtg thinks is happening?
Thanks!
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D'oh! 
It seems that my remote boxes have too much swap and memory for this to work with the default mrtg config files. I had to modify the line: | Code: | | MaxBytes[hostnamegoeshere.mem]: 1000000 |
to | Code: | | MaxBytes[hostnamegoeshere.swap]: 100000000 |
This allows mrtg to deal with the vast swathes of swap my boxes have (yes, I'm boasting)
Yet another case of asking for help and solving it oneself  |
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