Icinga is a modular monitoring framework for hosts, services, and networks, based on the nagios project. it is designed to be easy to understand and modify to fit any need.

features include:
* monitoring of network services via ping, smtp, pop3, http, nntp, or
tcp port
* plugin interface to allow for user-developed service checks
* contact notifications when problems occur and get resolved (via
email, pager, or user-defined method)
* support for proactive problem resolution (handlers can be defined to
be run during service or host events)
* web output: current status, notifications, problem history, log
file, etc.
this package contains the common files for all icinga packages.