ubuntu下ssh远程登录ubuntu服务器错误，如何纠正

[wangzc2009]

root@sikao-laptop:~# ssh root@IP地址
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
da:ed:0f:40:d8:ea:10:c2:95:31:6e:71:99:60:42:6d.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:1
RSA host key for IP地址 has changed and you have requested strict checking.
Host key verification failed.

我在服务器上装了SSHD,windows下用putty_PConline输入用户名密码可以登录。但是我Ubuntu下却不能登录，上面为错误提示。要怎么纠正呢？

不好意思，把IP地址都隐藏用"IP地址"来代替

[boxid]

把.ssh 目录里的 know_hosts 删掉

[wangzc2009]

谢谢了，原来是这个原因啊。我看了半天都没搞懂，