[mrtg] How to monitor non SNMP Device using MRTG

ashok kumar g.ashok1988 at gmail.com
Mon Apr 26 10:33:11 CEST 2010

Hi again Dumani,
Thanks for your reply. In my previous reply I was more concerned about the
remote system monitoring rather than my sytem. But you just mentioned about
that in your last line like "Remember you can execute commands remotely via
ssh or rsh so you can make load average graphs of other systems as well" which
means that we can have mrtg to be running on remote machine and if you want
to get that graphs you have to use httpd service. Isn't it?
But my concern is about having all those data on my system(server) so that I
can view the graphs at anytime and maintain log files on my system rather
than running mrtg and maintining all the data in respective systems.
Is it possible without snmp enabled on my client machines?

On Mon, Apr 26, 2010 at 1:01 PM, Fehmi Dumani <albadino at hotmail.com> wrote:

>  Greetings Ashok
> On your script you are showing the VAL1 of a system running mrtg uptime for
> 1 min, the second VAL2 is showing your uptime and the and the system load
> averages for the past 1, 5. Since mrtg on his own creates a graph for
> periodic use in your cause every 5 minutes you don't have to give bouth
> values showing the same thing
> VAL1=`echo "$SECOND*100" | bc | cut -f1 -d"."`
> and for
> VAL2=100
> your solid green will show the system load averages for the past 5 minutes
> of the system which will be periodically obtained. and the second line blue
> 100% that might be used.
> If I can make some modifications on your mrtg.cfg I would make it like
> this:
> EnableIPv6: no
> WorkDir: /home/Ashok/mrtg2/Station21/
> Interval: 5
> Title[load_avg]: Average Load on Station21
> PageTop[load_avg]: <H1>( Average Load on Station21 ) * 100</H1>
> Options[load_avg]: nobanner,gauge,growright
> Target[load_avg]: `/home/Ashok/mrtg2/cfg/load_avg.sh`
> MaxBytes[load_avg]: 100
> YLegend[load_avg]: LoadAvg * 100
> Unscaled[load_avg]: ymwd
> LegendI[load_avg]: Load Average
> LegendO[load_avg]: Max Load Average
> Suppress[load_avg]: y
> RunAsDaemon: Yes
> Refresh: 600
> I don't use mrtg as a daemon so it is up to you if you wana use it or do
> the job with crontab. All I add was LegendI and LegendO to put Max Average
> and Current show values and removed noinfo,nopercent, at options. Remember
> in order to view it on your page you have to configure httpd to set a dir
> /home/Ashok/mrtg2/Station21/ to be used, also if you have SELinux enabled
> you will have to run it on permisive mode or to create your own policies,
> otherwise it won't let you publish on httpd. Than all you have to do is get
> the indexmaker create the index.html and wait for some minutes to see your
> graphs. (Indexmaker usage command: indexmaker
> --output=/home/Ashok/mrtg2/Station21/index.html /etc/mrtg/mrtg.cfg
> Remember you can execute commands remotely via ssh or rsh so you can make
> load average graphs of other systems as well.
> Regards
> ------------------------------
> The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with
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G. Ashok Kumar
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