RSA host key has changed 错误

RSA host key for mysharebook.cn has changed and you have requested strict checking.
Host key verification failed.
两个解决办法
1、这是Linux重装或则openssh-server重装引起的，执行以下命令即可
ssh-keygen -R IP  

把IP换成你要连的服务器就可以了。

2、vi ~/.ssh/known_hosts

删除IP为目标连接ip 的行即可。