好记心不如烂笔头，ssh登录　The authenticity of host 192.168.0.xxx can't be established.　的问题

http://blog.csdn.net/kimsoft/article/details/5865418

用ssh登录一个机器（换过ip地址），提示输入yes后，屏幕不断出现y，只有按ctrl + c结束

错误是：The authenticity of host 192.168.0.xxx can't be established.

以前和同事碰到过这个问题，解决了，没有记录，这次又碰到了不知道怎么处理，还好有QQ聊天记录，查找到一下，找到解决方案：

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

网址是：

http://blog.ossxp.com/2010/04/1026/

记一下，防止又忘记了，又快到3点了，无数个不眠之夜啊。

2011/10/11

某天机器又改IP了，ssh后，报：

mmt@FS01:~$ 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).

注意这句

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

执行：

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

再连：

ssh -o StrictHostKeyChecking=no 192.168.0.130

OK了!

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