[mrtg] Re: cpu usage..

[Paul C. Williamson]

You need two OIDs, you've got one...

You have:
OID1:public at x.x.x.x

You need:
OID1&OID2:public at x.x.x.x

Rather than using the OID for CPU, try the tutorial for writing a custom script.  It computes the cpu load a lot more accurately.  I do this, and it also showed me indirectly how to use sed and awk as well as how to write an external script.

Paul

>>> Arif Rudiana <arudiana at telkom.co.id> 11/02/01 03:51 AM >>>
Dear Alex ...

Thank so much for answer my last question... I've changed with linux 
OID's...  Please see the following configuration

WorkDir:/var/www/html/mrtg/cpu
Target[10.14.130.59_cpu]: .1.3.6.1.4.1.2021.11.9.0:public at 10.14.130.59
MaxBytes[10.14.130.59_cpu]: 100
Options[10.14.130.59_cpu]: gauge
Unscaled[10.14.130.59_cpu]: ymwd
ShortLegend[10.14.130.59_cpu]: %
YLegend[10.14.130.59_cpu]: CPU Utilitation
Title[10.14.130.59_cpu]: CPU usage

After I issued the following command:

# ./mrtg /var/www/mrtg/cpulinux.cfg

I've got error like this
 
WARNING: Could not match host: 'public at 10.14.130.59'  ref: ' ' key: ' ' 
Rateup ERROR:.....

I didn't know what the errors mean, i 'm absolutely sure that my ip 
address is 10.14.130.59  with public community

could tell me what's wrong with my configuration..

By the way . .. my machine running with Mandrake 8.0 (Traktopel) kernel 
2.4.3-20mdk

Thank so much

ARIF



Alex van den Bogaerdt wrote:

>Arif Rudiana wrote:
>
>>Right now i'd like to monitor CPU usage . so ... i try to make 
>>configuration like this
>>
>>Target[10.14.130.59_cpu]: 
>>1.3.6.1.4.1.9.2.1.57&1.3.6.1.4.1.9.2.1.57.0:public at 10.14.130.59
>>
>>and so on....
>>
>>and.. i get some :
>>CFG error unknown option 
>>"1.3.6.1.4.1.9.2.1.57&1.3.6.1.4.1.9..1.57.0:public at 10.14.130.59 ....
>>
>
>This is probably caused by putting the OID on a line of its own. You
>shouldn't do that, just put the Target[x]:y at z on one line.
>
>When you've solved that problem you will encounter another problem:
>You use 1.3.6.1.4.1.9.2.1.57 and 1.3.6.1.4.1.9.2.1.57.0
>This cannot work.  If 1.3.6.1.4.1.9.2.1.57 is the OID then you need
>to specify the instance.  So:  OID.0&OID.0:public at ip
>
>When you've solved that problem you may get another error.  This is
>because .1.3.6.1.4.1.9 is the cisco private mib and since you wrote
>you're monitoring your linux box this isn't going to work.
>




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