Linux重装系统后SSH登录失败

#Linux重装系统后SHH登录服务器报错

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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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
3e:86:11:a0:94:46:85:32:fb:82:8f:a3:fd:21:18:2e.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:23
RSA host key for 172.27.10.69 has changed and you have requested strict checking.
Host key verification failed.

#编辑/root/.ssh/known_hosts

vim /root/.ssh/known_hosts

#删除你重装过系统的IP地址

#172.27.10.69