http://blog.csdn.net/aqw123456fdg/article/details/48135477
http://www.cnblogs.com/enjoycode/p/zabbix_3_installation_on_centos_7.html
http://www.jianshu.com/p/28c650f92fde
http://www.linuxidc.com/Linux/2016-06/132243.htm