ssh串連報錯解決

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今天從一台伺服器ssh遠端連線另一台伺服器時報錯，如下:

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 RSA key sent by the remote host is
SHA256:**.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending RSA key in /root/.ssh/known_hosts:34
RSA host key for x.x.x.x has changed and you have requested strict checking.
Host key verification failed.

串連失敗的原因，報錯中說得很清楚，遠程主機的key改變了，注釋掉本機“/root/.ssh/known_hosts”中第34行的內容即可，重新串連會擷取新的key，建立串連。

ssh串連報錯解決