http://blog.sina.com.cn/s/blog_904dee7f0101gait.html
http://www.centoscn.com/image-text/install/2014/0514/2972.html
http://www.cnblogs.com/carsonzhu/p/5520297.html
windows git生成公钥：
http://www.cnblogs.com/my93/p/5873498.html
ssh东西
http://blog.csdn.net/yananwang/article/details/5684645