Linux服务器SSH登录失败

ssh登录服务器时发生错误

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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:pGssPb/mG4ShC+TwMf+BzeTCs46T+XEfjz4j2Zaz7W8.
Please contact your system administrator.
Add correct host key in /Users/jiangwenbin/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/jiangwenbin/.ssh/known_hosts:3
ECDSA host key for  (${IP})  has changed and you have requested strict checking.
Host key verification failed.

解决办法：
cd ~/.ssh
vi konwn_hosts
删除服务器IP相关信息