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Re: System Monitoring Tool

On Sat, 3 Mar 2007, Nilesh wrote:

I would like to monitor remote machine for system
performance ( CPU usage,Memory,Hard Disk Space),
network connectivity ( to and from ) and database
connection .. etc
we are facing some problems like connection timeout or
out of memory

It sounds like you're not looking for a general network monitoring
tool, which the other respondents have suggested, but something to
help you find out why one certain server is borking.  If that's the
case, then 'sar' will rock your face right off its hinges.

If you're looking for historical monitoring of these resources, for
upgrade planning, etc., then Cacti is very slick.

If you're looking for event-based monitoring -- i.e., something that
will page you when you run out of memory or Tomcat dies -- Nagios is
great.  The learning curve can be steep, but it's worth it in the
end.  It also has several plugins to do historical monitoring.

Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University
Never send mail to thobrux nebrwesleyan edu

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