Nagios Monitoring Remote Location/ Site in a single point of view

Hi,

We have several Nagios installs at different sites.

Can we consolidate it under a single point of view ?

Is there any simple way to do it or an Add-On product can do this ?

Only thing, we want something free or not expensive.

Thanks
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bmdgiAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
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Daniel HelgenbergerCommented:
You can, it is called distributed monitoring.
Nagios can do so out of the box or using plugins. You need network access to the sites, of course.

Basically you have your monitors submit passive service checks, depending on the solution you use. The impact of deploying this is relative to the number of sites:
Methods of achieving an distributed monitoring solution can sometimes be complicated. Before you embark on designing and deploying an distributed monitoring solution you should outline the goals you wish to achieve with the solution you are proposing. No single solution is the "right" solution for every environment. The method you choose to implement should be based on your end-goals, as well as the time and effort required to deploy and maintain the chosen solution.

Please see also:
http://library.nagios.com/library/specialtopics/distributedmonitoring

I think the best way to start is to implement MNTOS (MultiNagiosTactical OverviewSystem), it needs no extra plugins on the existing Nagios instances:
http://exchange.nagios.org/directory/Addons/Frontends-%28GUIs-and-CLIs%29/Web-Interfaces/MNTOS/details

Installation can be tricky though; read the comments.
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bmdgiAuthor Commented:
Do you think Centreon might be easier to deploy to have a centralize monitoring solution ?
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Daniel HelgenbergerCommented:
Sorry I had first to look up Centreon. This is - it seems to me - a web configuration utility? Like Nconf, I assume it generates nagios configs and can handle multiple 'collector' servers.
If you do not use it on your sites right now, then the work in migrating your configs will be considerable (often it is better to start from the scratch because of the more powerful way these systems handle configs; but this is my experience with Nconf).

Since I suppose you do not want to do that, go for one of the methods suggested earlier witch work ontop your current setup.
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