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This is slashdot, OF COURSE you should use Nagios!

And to increase your /. Kung-Fu, buy an EM01;
http://www.nagios.org/products/environmental

Learn Nagios the FAN way;
http://fannagioscd.sourceforge.net/drupal/

or play with GroundWork, they're awesome;
http://www.groundworkopensource.com/community/community-edition.html

(Yes, I actually run this in a real data center, we eat our own dog food.)

We are using http://www.groundworkopensource.com/ for our monitoring. It is working pretty well, and we can use existing Nagios scripts with it.

We use GroundWork. They provide a graphical front end for the nagios configuration that takes a lot of the pain out of it. I think they only support Nagios 2 currently but we've been happy with it and it's free. They have VMware appliances as well which gives you a zero install deploy option making it even easier.

For those of you that aren't particularly fond of the complexity of Nagios' configuration, check out GroundWork. It's basically Nagios + a fairly easy-to-use web interface. We've been using it up at my work for over a year and it works great.

Check out GroundWork. It's basically Nagios + a fairly easy-to-use web interface. We've been using it up at my work for over a year and it works great.

You might want to check out Groundwork OpenSource.

It's built on Nagios and several other projects. So basically Nagios with a really nice gui front-end to get things setup. I've been messing around with the free version to evaluate it as a replacement to big brother.

It took me a little while to get all the connections straight in my head but would probably be more intuitive to someone with more experience in the area.

Groundwork is a great unification of Nagios and other tools that provides the missing configuration interface Nagios lacks.

http://www.groundworkopensource.com/products/os-ov erview.html

There's a VMware appliance available if you want to take it for a quick spin around the block.

http://sourceforge.net/project/showfiles.php?group _id=160654&package_id=222764

Tread cautiously where Groundwork is concerned. There is an upsell the moment your boss starts asking for advanced reports or dashboards. Also, since it embeds Nagios, the scale limitations inherent in Nagios' fork()-happy design will bite you down the road.

Have you tried http://www.groundworkopensource.com/ ?

It makes Nagios configuration/backups very easy. My only gripe it's that it only comes packaged in rpm (well, it is open source, so I guess you could roll your own) but it's a self contained rpm. Every dependency is there except for Mysql 5 and it can import your current nagios config files.

It doesn't play nice with SELinux, tho.

I like Groundwork Monitor which is pretty much a front end for configuring Nagios.

http://www.groundworkopensource.com/downloads/full _download.html

It's not just no link in the summary, but none in the article, neither.

Bruce P. summarizes it below, and a poster above mentions Zabbix and Naggios.

There's been a bunch of interested work in monitoring and diagnostics with "Netsaint / Nagios for some time. SysAdmin has had a few *very* cool articles about not just network monitoring with it, but resource monitoring and preventative maintenance of all kinds.

IT Groundwork's done some very interesting things.
SpikeSource is doing similar stuff (presumably so "you don't have to").
Splunk is interesting (w/r/t checking log entries against know issues in an automated fashion.)
We've leveraged Nagios for "preventative diagnostics" of our Test, Dev and Prod environments. It's worked very well at our scale.

I'm less inclined to get excited about stress testing Java middleware as my hope is JBoss, IBM / Websphere, BEA and Oracle would already be doing that for me. If I'm using Tomcat or Resin, it probably means it's because I can and am less concerned.

I'm going to check out Zabbix now - thanks for the tip.

S
http://www.meanbusiness.com/