工具收集

国内常用NTP服务器地址及IP

http://www.douban.com/note/171309770/

Discuz!建站教程

http://www.zb7.com/discuz/ 

Permanently added (RSA) 

http://www.cnblogs.com/itcomputer/p/4838548.html

ip访问次数

http://blog.itpub.net/28916011/viewspace-1420284/

linux下查看iowait的进程

http://blog.sina.com.cn/s/blog_5d3855450100mons.html