ssh登陆提示 REMOTE HOST IDENTIFICATION HAS CHANGED

找到known_hosts文件把里面相应的主机那行删除即可

MAC/Linux
vi ~/.ssh/known_hosts

Windows
C:\Users\用户登陆名\.ssh\known_hosts

报错信息：

➜  ssh root@mongo.top
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    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 ECDSA key sent by the remote host is
SHA256:JqlKtQzSrgYOb5Jm0BcNSAoyPjvz57srOKOfbUgvpeY.
Please contact your system administrator.
Add correct host key in /Users/zhan/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/zhan/.ssh/known_hosts:3
ECDSA host key for mongo.top has changed and you have requested strict checking.
Host key verification failed.
➜ vi /Users/zhan/.ssh/known_hosts

重新登陆即可

来源：https://www.cnblogs.com/v5captain/p/12630278.html