Scp error: Host key verification failed. remote host identification has changed!

1 scp error: remote host identification has changed!

[root@xx ~]# scp yum-3.4.3.tar.gz 10.xx.xx.12:/root@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@    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 isxxxxxxxxx.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:20RSA host key for 10.xx.xx.12 has changed and you have requested strict checking.Host key verification failed.lost connection[root@cache-2 ~]# 

2. An error is reported for google and RSA. If you do not need to re-create the RSA Key, or delete the corresponding ip information record in known_hosts of the Client, select the latter one.


3. First find the known_hosts path.
[Root @ xx tmp] # find/-name known_hosts
/Root/. ssh/known_hosts

4. Back up the system file and modify
[Root @ cache-2 tmp] #
[Root @ cache-2 tmp] #
[Root @ cache-2 tmp] # cp/root/. ssh/known_hosts/root/. ssh/bak.20140526.known _ hosts
[Root @ cache-2 tmp] #
[Root @ cache-2 tmp] # vim/root/. ssh/known_hosts

Find
10. xx. xx.12 ssh-rsa keys + 1 GFnFv + c + keys/keys + m6OW7fzUdZnqfQaF/keys/NfqL1GozShiKF4 + keys // keys/046laeIX1DGw =
Delete it.


5. Run the scp command and enter the password. The transfer is successful.
[Root @ xx ~] # Scp yum-3.4.3.tar.gz 10. xx. xx.12:/root
Root@10.xx.1x.12's password:
Yum-3.4.3.tar.gz 100% 1114KB 1.1 MB/s
[Root @ xx ~] #