Time-Wasting Tricks

[Dirk Westfal]

Marc Powell schrieb:
...
> 
>>to implement a single service for all hosts in a hostgroup. This would
>>indeed save me a lot of time. However, I get the following error when
>>starting Nagios:
>>
>>        Error: Host name 'prod.aidworld.org www1.loband.org
>>        mail.aidworld.org www3.loband.org www4.loband.org
>>        www5.loband.org www6.loband.org' for service 'ssh' exceeds
>>        maximum length of 63 characters
>>
>>Is there some way to increase the limit of 63 characters, or make this
>>"trick" useful in some way, apart from splitting my hostgroups which
>>will break all of my configuration?
> 
....
> On the off chance that doesn't work for you, you could try increasing
> 'common/objects.h:#define MAX_HOSTNAME_LENGTH' but I am not personally
> aware of anyone that's done that so I can't say what the consequences
> would be. The preferred solution would then be to use the hostgroup_name
> directive as follows --


I`ve done exactly this to autocreate all required nagios config files 
via a perl parser from an csv file.
This way i can easely put 10 or more hosts into one service check.
(I`m monitoring 96 systems and 180 services)

This works very well in 1.x and 2.x versions (nagios-2.0b2 actually).


It also helps to use shorter symbolic names, eg. prod-1 instead of 
prod.aidworld.org.  (or fvvpn-xxx instead of the fqdn)


Best Regards,
Dirk Westfal



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