======Network Monitoring======

=====Free / Open Source=====
[[http://www.nagios.org/|Nagios]] \\

[[http://www.mikrotik.com/thedude.php|The Dude]] network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment. It will automatically scan all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems. See [[https://forum.mikrotik.com/viewtopic.php?t=78464|MikroTik Forum - The Dude download is dead.]] for download links. \\

[[http://ganglia.sourceforge.net/|Ganglia]] is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. \\

====Zabbix====

[[http://www.zabbix.com/|Zabbix]] \\

[[https://support.zabbix.com/browse/ZBX-2285|ZABBIX BUGS AND ISSUES - ZBX-2285 - active checks may be sent multiple times]] fixed in/from Zabbix 1.8.3. \\

[[https://www.zabbix.com/documentation/1.8/manual/escalations_and_repeated_notifications#delayed_notifications|Zabbix Documentation 1.8 - 21 Escalations and repeated notifications]] \\
[[https://www.zabbix.com/documentation/2.4/manual/config/items/itemtypes/log_items|Zabbix Documentation 2.4 - 6 Log file monitoring]] \\