用ssh登入一個機器（換過ip地址），提示輸入yes後，螢幕不斷出現y，只有按ctrl + c結束

錯誤是：The authenticity of host 192.168.0.xxx can't be established.

以前和同事碰到過這個問題，解決了，沒有記錄，這次又碰到了不知道怎麼處理，還好有QQ聊天記錄，查詢到一下，找到解決方案：

執行ssh  -o StrictHostKeyChecking=no  192.168.0.xxx　就OK

網址是：

記一下，防止又忘記了，又快到3點了，無數個不眠之夜啊。

2011/10/11

某天機器又改IP了，ssh後，報：

[email protected]

:~$ ssh  -o StrictHostKeyChecking=no  192.168.0.130
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    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 the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
fe:d6:f8:59:03:a5:de:e8:29:ef:3b:26:6e:3d:1d:4b.
Please contact your system administrator.
Add correct host key in /home/mmt/.ssh/known_hosts to get rid of this message.
Offending key in /home/mmt/.ssh/known_hosts:38
Password authentication is disabled to avoid man-in-the-middle attacks.
Keyboard-interactive authentication is disabled to avoid man-in-the-middle attacks.
Permission denied (publickey,password).

 注意這句

Add correct host key in /home/mmt/.ssh/known_hosts to get rid of this message.

執行：

mv  /home/mmt/.ssh/known_hosts known_hosts.bak

再連：

ssh  -o StrictHostKeyChecking=no  192.168.0.130

OK了!