scp错误 WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

执行scp出现错误

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  
@    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  
5f:20:1a:77:96:99:4a:f2:5d:a1:1d:68:b6:91:5a:e7.  
Please contact your system administrator.  
Add correct host key in /home/jifeng/.ssh/known_hosts to get rid of this message.  
Offending key in /home/jifeng/.ssh/known_hosts:2  
RSA host key for jifeng03 has changed and you have requested strict checking.  
Host key verification failed.  

解决方法：
参考传送门
修改.ssh下的known_hosts文件

[jifeng@jifeng01 ~]$ cd .ssh  
[jifeng@jifeng01 .ssh]$ vi known_hosts  

把下面这段代码删除（对应的ip字段）

jifeng03,10.3.7.178 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA7tNeVty1bbDiPlCNJoOAriFsa+OXh08mpRvItCoo6OmgbGfnXyOZMJJq5zOx3SKdhnGXzQ1UdCHVRz3zoQVwE6OaQc/xzJnkZ24T3wW6p1w68Y38M16S72UuEWHTA69imFAdq1EczgR14E6e3Sesr2Pnv9x0JRJMcYljbvP7o+TH4BjXoUqT/i4xsF0Nsu4Ki70J/2AwQHDFiKZhJSuMoWLMgyOZ7glAuqXWAQmJ/oYZRj16T7P7o4i+li8HY0wQYkW4Clwxqsszn7Gq1WhaarX8MFjPjxfxOQuf9YstY9FJDjhM3ziMA4/hClePKi6AlUxcnC9rpq8ocUUxQRlIlw==