[mrtg] Re: Remote Linux/FreeBSD system monitoring... ucd-snmp vs. perl scripts in inetd

[Brendon B]

On linux, you should be able to query /proc instead of using sar also.  I
admit I use sar, but if I had a lot of machines, I would probably figure out
what I need in proc and just calculate it in my scripts.

I wrote a script that uses top instead of sar, but top won't work for a
scripted query.  I get values, but top gives the wrong values when it first
starts.

Brendon

 -----Original Message-----
From: 	mrtg-bounce at list.ee.ethz.ch [mailto:mrtg-bounce at list.ee.ethz.ch]  On
Behalf Of Max Clark
Sent:	Tuesday, January 16, 2001 2:15 PM
To:	mrtg at list.ee.ethz.ch
Subject:	[mrtg] Re: Remote Linux/FreeBSD system monitoring... ucd-snmp vs.
perl  scripts in inetd


This is so horribly complicated. I understand what you mean by using sar for
the CPU information on the Linux machines. Is there anything like this for
FreeBSD? I would like to try and use something unified for the entire
system.

Max

-----Original Message-----
From: Ashley M. Kirchner [mailto:ashley at pcraft.com]
Sent: Tuesday, January 16, 2001 1:37 PM
To: Max Clark
Cc: mrtg at list.ee.ethz.ch
Subject: Re: [mrtg] Remote Linux/FreeBSD system monitoring... ucd-snmp
vs. perl scripts in inetd


Max Clark wrote:

> 2) installing shell scripts on the remote machine
> and configuring inetd to listen on ports, 3) using an snmp package such as
> ucd-snmp.

    I use both those options.  Scripts to monitor CPU in percentages, and
snmp
to monitor disk and network.  I didn't use snmp to do PCU because SNMP only
reports average load over 1, 5 and 15 minute intervals.  I wanted a
percentage
of CPu usage over time, so I combined the 'sar' utility with a perl script
and
fed the info to MRTG.

    http://mrtg.yeehaw.net/ - follow the setup into for CPU load.

    AMK4

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