centos升级openssh之后 连接报错Add correct host key in /root/.ssh/known_hosts to get rid of this message

报错提示

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

解决办法：

rm ~/.ssh/known_hosts

或

vim /etc/ssh/ssh_config:

StrictHostKeyChecking no

UserKnownHostsFile /dev/null