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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 RSA key sent by the remote host is

Please contact your system administrator.
Add correct host key in ~/.ssh/known_hosts to get rid of this message.
Offending RSA key in ~/.ssh/known_hosts:20

终端报错如此。应该是不同的设备都用相同的 ip 进行过 ssh 操作。第二次不认上一次的认证数据。

在 ~/.ssh/known_hosts 中把对应的记录删掉就可以重新触发信任问答。

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