[CentOS] Migrating away from Nagios
Les Mikesell
lesmikesell at gmail.com
Fri Jun 18 18:39:53 UTC 2010
On 6/18/2010 12:06 PM, Joseph L. Casale wrote:
>> It depends on what you are doing, but if it is mostly snmp data
>> collection and icmp/tcp application monitoring, OpenNMS will probably do
>> it out of the box with autodiscovery and no client setup. If you have
>> lots of custom nagios client code, you'll probably have to twiddle some
>> ugly XML config files to get that data collected. The mail list support
>> is fairly good if you have problems.
>
> Les,
> Compared to Nagios, how difficult was it to get OpenNMS running in your
> environment? I found Nagios trivial but have never really rolled my sleeves
> up with OpenNMS, I have just sort of kicked the tires over the years...
I've never done Nagios - I don't want to think about anything that needs
per-host configuration and I want to get router/switch/link details in
the same tool. 'Getting it running' should be a yum install these
days plus configuring a discovery range which you can now do through the
web interface. If you have a server for a test install and the same
snmp community string everywhere it should be painless to test.
The one thing I find a bit cumbersome is building pages with the graph
groupings that I want to see together. It's not a difficult process,
just several steps to pick and position each one on a page. But that's
just for convenience - you can go to the node page and pick graphs
individually without this.
> I have to say the WMI capability of Zenoss is a real plus for me and the
> documentation for Zenoss looks way better than OpenNMS which even they
> admit on the wiki isn't very good:)
I tried WMI on opennms a while back and couldn't make it work, but I'm
sure it is much better now. As for documentation in general, you
shouldn't need much to get started and the mail list is pretty good if
you have specific questions. In fact I usually look at mail list
archives before making choices like this. If people are asking about
problems with the basic application functionality I'm less likely to try
it than if the discussions are about adding new stuff or extensions.
--
Les Mikesell
lesmikesell at gmail.com
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