Check_MK - comprehensive IT monitoring solution in the tradition of Nagios


Components of the Check_MK Project

Configuration & Check Engine

What makes Check_MK CCE new is its elegant method for configuring Nagios. Instead of the normal Nagios configuration data, an automatic service recognition and configuration generator is activated. Likewise as Checks are operating Check_MK functions in its own efficient way. Each Host ist contacted only once per Check Interval. Check-Results are sent to Nagios as passive Checks. This saves substantial resources on the server and client. More...

Livestatus

Livestatus is a Nagios-Broker-Module that provides a direct connection to Status Data on Hosts and Services via a UNIX-Socket. This enables Addons such as NagVis to have quick and efficient access to Status Data and makes the NDO-Database unnecessary. The access is made via its own simple protocol and is possible from all programming languages with no need for a special library - even from the Shell. Livestatus also supports Icinga-Core. More...

Multisite

The Web-GUI Multisite replaces the classical Nagios-GUI and is also usable without Check_MK's Configuration & Check Engine. Longside a modern-looking and rapid page loading it offers a user-definable interface, distributed monitoring by integrating multiple Monitoring-entities via Livestatus, integration of NagVis and PNP4Nagios, an integrated LDAP-connection, an access to Status Data via Webservice and much more. Multisite utilises Livestatus for access to the Status Data. More...

WATO

Check_MK's Web Administration Tool makes the complete administration of a Check_MK-based system possible over a Browser. This is not restricted to the management of Hosts and Services and the typical Check_MK-rules, but also includes the management of users, roles, groups, time periods, classical Nagios-Checks and much more. With a modern roles concept authorisations can be assigned so that tasks can be reliably given to colleagues. More...

Notify

Check_MK's new Notifications System makes the configuration of notifications simple and flexible. Multiple channels can be defined and differently configured per user. In this way for example, a full day's emails, but SMS only for serious problems during oncall hours can be generated - without needing to define multiple artificial users. The users can additionally configure their notifications themselves. More...

Business Intelligence

The BI-Module is integrated in the Multisite-GUI. It aggregates Status Data from numerous hosts and services to provide a complete status of complex applications and similar processes. This provides a quick overview for managers and user helpdesks. Likewise questions about how concrete problems are affecting applications can be quickly answered. The integrated "What if?"-Analysis simplifies the downtime planning. More...

Mobile

The Mobile-Version of the Multisite-GUI is optimised for Smartphones and enables access to all Status Data while underway. Likewise commands such as Acknowledge and Set for Downtimes can be executed. The Mobile-GUI is automatically available when Multisite is installed. Mobile devices are automatically recognised.

Event Console

The Check_MK Event Console integrates the processing of log messages and SNMP-Traps into the monitoring. Its own Daemon - the mkeventd - is configured through a flexible Rule Set and determines which and how incoming messages are classified. In this way messages can be counted, correlated, anticipated, transcribed and much more. The Event Console even utilises an inbuilt Syslog-Daemon that receives messages directly from Port 514. More...

Download the tool here checkout a more comprehensive list of tools here.

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