Yes it is
You can run commands remotly on your machines via ssh or rsh the script is
almost the same except you use command
ssh u...@hostip uptime <------------
instead of
uptime <------------------
and first you have to configure ssh and install your public key via ssh-copy-id
ssh-copy-id [-i [identity_file]] [u...@]machine
and than everythink is the same.
Regards
Date: Mon, 26 Apr 2010 14:03:11 +0530
Subject: Re: [mrtg] How to monitor non SNMP Device using MRTG
From: [email protected]
To: [email protected]
CC: [email protected]
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 <[email protected]> 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
Hotmail. Get busy.
--
Thanks
G. Ashok Kumar
Softential
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