ssh登录的一个小问题

IT IS NOT POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY  
someone could  be  eavesdropping on your right now (man-in-the-middle attack !)
it is also possible that  the RSA host  key has been changed

 

解决方法:

 

进入 ~/.ssh目录，编辑known_host文件，删除其中包括你想连接的主机的那一行，存盘再连接.ok.