Nagios 2.6 review

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Nagios (formerly Netsaint) is a daemon written in C that is designed to monitor networked hosts and services. Nagios project has t

License: GPL (GNU General Public License)
File size: 0K
Developer: Ethan Galstad
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Nagios (formerly Netsaint) is a daemon written in C that is designed to monitor networked hosts and services.

Nagios project has the ability to notify contacts (via email, pager or other methods) when problems arise and are resolved. Host and service checks are performed by external "plugins", making it easy to write custom checks in your language of choice.

Several CGIs are included in order to allow you to view the current and historical status via a Web browser, and a WAP interface is also provided to allow you to acknowlege problems and disable notifications from an internet-ready cellphone.

Here are some key features of "Nagios":
Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.)
Monitoring of host resources (processor load, disk and memory usage, running processes, log files, etc.)
Monitoring of environmental factors such as temperature
Simple plugin design that allows users to easily develop their own host and service checks
Ability to define network host hierarchy, allowing detection of and distinction between hosts that are down and those that are unreachable
Contact notifications when service or host problems occur and get resolved (via email, pager, or other user-defined method)
Optional escalation of host and service notifications to different contact groups
Ability to define event handlers to be run during service or host events for proactive problem resolution
Support for implementing redundant and distributed monitoring servers
External command interface that allows on-the-fly modifications to be made to the monitoring and notification behavior through the use of event handlers, the web interface, and third-party applications
Retention of host and service status across program restarts
Scheduled downtime for suppressing host and service notifications during periods of planned outages
Ability to acknowledge problems via the web interface
Web interface for viewing current network status, notification and problem history, log file, etc.
Simple authorization scheme that allows you restrict what users can see and do from the web interface

What's New in This Release:
The sample configuration files were simplified.
Cleanups were made for compiler warnings.
Bugfixes were made for documentation, scheduled downtime, reading of zero-byte config files, non-standard CGI config locations, and nagiostats reporting.

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