Zabbix is a distributed http://www.aliyun.com/zixun/aggregation/13446.html "> system monitoring tool for the enterprise that monitors and tracks the performance and availability of network servers, devices, and other IT resources. It supports distributed and web-based interface monitoring, automatic discovery, real-time monitoring, SLA insurance, trend analysis, and more. (More details: http://www.zabbix.com/)
Zabbix can monitor various network parameters, ensure the safe operation of the server system, and provide a soft notification mechanism for the system administrator to quickly locate/resolve the various problems. The Zabbix is composed of 2 parts, Zabbix server and optional component Zabbix Agent.
Zabbix server can provide monitoring of remote server/network status through Snmp,zabbix agent,ping, port monitoring,., which can run on Linux, Solaris, HP-UX, AIX, free BSD, Open BSD, OS x platform
ZABBIX version 1.8.6 Fixes bugs.
Download Address: http://sourceforge.net/projects/zabbix/files/ZABBIX%20Latest%20Stable/1.8.6/