Therefore, installation from the source code is not covered here (if interested, the source package is available at, and is installed with the usual.
This description is intended for users with only a basic knowledge of the GNU/Linux operating system. Further objects for escalating issues and specifying dependencies exceed the scope of this article (for more details, see the Nagios Core Documentation, chapter Object Configuration Overview, available at ). The actual plugins are defined using the command objects. The timeperiod objects define when to monitor hosts/services and when to notify contact persons.
These objects can be grouped ( group) in order to simplify configuration and get a clearer overview of related objects in the web interface. contact - people who receive status notifications about services and hosts (admins, technicians, operators.host - the devices (hosts) where the monitored services are running (e.g.CPU load, toner level in a printer, temperature in the monitored room) service - services to be monitored (e.g.Nagios works with 3 primary objects ( object): Nagios is configured with text configuration files and controlled over a web interface. The most common scenarios involve monitoring devices over SNMP or monitoring servers using NRPE (Nagios Remote Plugin Executor). Using plugins, it can monitor any devices (called “hosts”) and services using any protocol.
Nagios is the most popular open-source monitoring tool.
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