scp verification failed

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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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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
……

RSA host key for x.x.x.xhas changed and you have requested strict checking.
Host key verification failed.
lost connection

 

解决办法：

在使用scp命令的主机上，vim ~/.ssh/known_hosts，把包含目标网络地址（x.x.x.x）的那一行删掉。