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 changedssh
解決方法:it
進入 ~/.ssh目錄,編輯known_host文件,刪除其中包括你想鏈接的主機的那一行,存盤再鏈接.ok.方法