主機的Hostkey值改變，ssh連接配接失敗

mac機器

bogon:~ mac$ ssh -p **22 root@**.*********.org

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

@    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:P73YH4G4Eedj7XrvYAmAst3/qtUS5E1WL8Dm8vUzDD8.

Please contact your system administrator.

Add correct host key in /Users/mac/.ssh/known_hosts to get rid of this message.

Offending RSA key in /Users/mac/.ssh/known_hosts:34

RSA host key for [**.*********.org]:**22 has changed and you have requested strict checking.

Host key verification failed.

根據提示的意思我們就可以知道在本地的known_hosts儲存的主機hostkey記錄改變了，該記錄的主鍵可以是所連主機的域名，也可以是所連主機的IP位址。 

我們可以進入到該文檔删除對應行，也可以直接用以下的指令直接把known_host

     本文轉自phpervip 51CTO部落格，原文連結：http://blog.51cto.com/phpervip/1972523，如需轉載請自行聯系原作者