解决： WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

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1. 问题描述：阿里云服务器 磁盘初始化之后用 git-bash  ssh [email protected] 方式登陆服务器，报错如下。

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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 a host key has just been changed.
The fingerprint for the ECDSA key sent by the remote host is
SHA256:V7h2Fdvk1Mc941+Bt6vJW8LpOGFDWVfFiQ3ezF/yzXo.
Please contact your system administrator.
Add correct host key in /c/Users/LYSM/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /c/Users/LYSM/.ssh/known_hosts:7
ECDSA host key for xxx.xx.xxx.xx has changed and you have requested strict checking.
Host key verification failed.

2. 解决：清除之前连接过的信息记录。执行命令：

ssh-keygen -R  XX.XX.XX.XX （这是服务器 IP）

例如：ssh-keygen -R 172.168.2.59

3.重新 shh 登陆，一切正常。