http://www.cnblogs.com/mchina/archive/2013/02/20/2883404.html
http://www.ibm.com/developerworks/cn/linux/1309_luojun_nagios/
http://www.cnblogs.com/mchina/archive/2013/02/20/2883404.html
http://www.ibm.com/developerworks/cn/linux/1309_luojun_nagios/