远程连接报错信息
[root@localhost bin]# scp /root/all.sql 172.18.17.213:/root/
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@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
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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 a host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
SHA256:prk026PJY0Yq3kLbZnLvtyuwdoUm3aAYAsL1fH9wwRc.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending RSA key in /root/.ssh/known_hosts:2
RSA host key for 172.18.17.213 has changed and you have requested strict checking.
Host key verification failed.
lost connection
解决方式
1.在客户端执行下述指令
vi ~/.ssh/known_hosts
2.例如我的机子IP地址为：119.19.19.19
则把里面与所要连接IP(119.19.19.19)相关的内容删掉即可