SSH 登陆报错远程主机标识已更改原因及解决办法

SSH 登陆报错 WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! 原因及解决办法

问题

SSH 无法登录服务器，遇到如下提示：

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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:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.

Please contact your system administrator.

Add correct host key in /Users/<UserName>/.ssh/known_hosts to get rid of this message.

Offending ED25519 key in /Users/<UserName>/.ssh/known_hosts:3

ECDSA host key for xxx.xxx.xxx.xxx has changed and you have requested strict checking.

Host key verification failed.