一、错误

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
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 ED25519 key sent by the remote host is
SHA256:xFLX+tvm81QdqUaNBznqQYeHivJVuCCFlO2uVgAHDoM.
Please contact your system administrator.
Add correct host key in C:\\Users\\\347\245\201\346\234\211/.ssh/known_hosts to get rid of this message.
Offending ED25519 key in C:\\Users\\\347\245\201\346\234\211/.ssh/known_hosts:11
Host key for 116.204.104.204 has changed and you have requested strict checking.
Host key verification failed.

错误原因:
在第一次连接ssh时候会生成一个认证,存储电脑中的know_hosts,如果服务器刷新系统,就会出现以上错误打印信息。

二、解决办法

ssh-keygen -R ip

然后再尝试连接就没问题了

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