ssh 不通，出现下面的警告。

vionna

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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
bf:f5:57:92:64:ed:04:fc:74:b1:78:11:aa:2d:8f:7a.
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:1
RSA host key for 172.16.1.20 has changed and you have requested strict checking.
Host key verification failed.


新装的LINUX系统。
root下没有.ssh目录呀？
怎么解决这个问题。

zhangr

:>; /root/.ssh/*
or
ssh -1 (force to use protocol 1)

ralind

没错!将/root/.ssh/known_hosts 中的那行删除