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Using Nagios on ubuntu 8.04

Posted on 2009-05-07
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I recently followed a guide on installing the latest nagios on my ubuntu desktop.  is there a manual or an easy way to use it. what can i follow to get things setup.  
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Question by:scripttron75
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fmarzocca earned 500 total points
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What about "Getting Started with Nagios"?
http://www.scribd.com/doc/8766501/Getting-Started-With-Nagios
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by:Roachy1979
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Nagios is a little complicated to visualise where the config files do what...

I find it helps to draw a map of the /etc/nagios/conf.d folder and how services, hosts and hostgroups fit together.  

Also, I find it useful to create separate config files for internal and external hosts... so for example I have a hosts_internal.cfg and a hosts_external.cfg

I believe there are some example files on a Hardy install, copy these (in fact I printed them and drew lines between the criteria on my first install).  This will help you to understand the relationships.....

Also have a look though the manual online...http://nagios.sourceforge.net/docs/2_0/toc.html

Don't be dishearted if it seems complicated as Nagios is a really powerful tool that can be used very simply or can monitor in great detail :)

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by:scripttron75
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Thanks for that Roachy, I am only using this on my LAN home network, for studying and learning purposes.  i will follow the guide.  when you say though to create a config file is it from scratch?
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by:Roachy1979
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I'll confirm this when I get to the office this morning, but I think in /etc/nagiosx/conf.d you'll have a load of files already.  One of which will be the hosts.cfg - I tend to rename that to hosts_internal.cfg and create another identical file called hosts_external.cfg.  This isn't necessary though, I just find it helps if you're checking large numbers of hosts!

Basically, work with the default files while you learn, I think - seeing as this is for studying purposes, there's no harm in starting with an easy configuration and building on it.
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