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I'm new to Nagios, so apologies for this question...
I'm running IBM WebSphere Application Server & MQ on Windows Server 2000 and want to monitor it using Nagios. I see there are Nagios plug-ins for these products.
However I'm not sure which Nagios I need to install as a poc; Nagios Core, Nagios XI or Nagwin?
I understand Nagwin is a windows installation and core & XI need a VM? But which VM?
Also I'm not convinced the WebSphere plugins will work with Nagwin.
Any advise on which route to take would be helpful.
Nagios Core is the fully free open-source version of Nagios XI. It is also the back end to Nagios XI. The following install documents will help you get up and running with either, as well as having a list of what Operating Systems are required.
What will be required for monitoring Windows is a plugin directed towards what you need to monitor and an Agent which will act as a go between for Nagios and the Windows Host, that agent in most cases will be NSClient++ in which case there are guides for installing and using that as well.
Nagwin is an adaptation of Nagios for Windows. I was not impressed when I experimented with it for some personal stuff. I'm not even sure it's actively developed at this time (someone can correct me if wrong).
Nagios Core-as mentioned above-is the free version of Nagios' backend. Great foundation.
Nagios XI is the backend and a web frontend. It has lots of nice features to it, and I think it's a great value for the cost. It is tough to integrate into an existing Nagios Core installation, though.
You do not need a VM for Nagios that I can tell, but life is much easier when using a VM-based infrastructure, so if you got it, use it.
Correct you can do a VM install which in most cases is quick and easy and will meet one's needs, the problem is when you start to do massive amounts of checks with no fully dedicated hardware it can bog your system down. In this case you can implement RAM disc, as well as offloading your database to a dedicated box. On the other end you can do a dedicated install of Nagios Core or XI.
Yes, they certainly do! XI's graphs are a bit more advanced than Core's including a whole bunch of user created add-on's. But core does have the same ability too:
