http://www.linuxdiyf.com/linux/13662.html

http://blog.csdn.net/wangnan537/article/details/47868659

http://blog.csdn.net/wang_shuai_ww/article/details/50440198

http://www.cnblogs.com/xiaoit/p/3990635.html

http://www.discuz.net/thread-2230414-1-1.html