我刚开始使用亚马逊 EC2,我通过 Windows 上的 cygwin 使用它来运行 ubuntu。我最近尝试通过 ssh 登录我的 EC2 实例并收到此错误消息
@ 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...
Host key verification failed.
这是什么,我该如何解决这个问题?