~~#88 叫我沈同学 大神，我遇到了个麻烦，求救：
起因： 昨天小鸡重建成功，我部署了服务，结果遇到了点问题想重制系统。
然后： 然后我重建，并重新建了一个密钥 (第一次登录成攻的密钥我删除了）
结果：我再也无法登录了（ssh -i 密钥 -p xx ip)，一直报下名这个错
我尝试删除了本地的~/.ssh/known_hosts, 也不行。我该怎么办
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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 ED25519 key sent by the remote host is
SHA256:XXXXXXXXXXXXXXXXXXXXXXXX
Please contact your system administrator.
Add correct host key in /var/root/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /var/root/.ssh/known_hosts:12
Host key for [ip]:port has changed and you have requested strict checking.
Host key verification failed.~~
已解决。请忽略该消息。
