Warning:remote HOST Identification has changed!

[email protected] bak]# SCP gwsyj.sql.gz [email protected]:/data/dbdata/

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ warning:remote HOST Identification has changed! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT is POSSIBLE this SOMEONE is DOING SOMETHING nasty!
Someone could is eavesdropping on your right now (Man-in-the-middle attack)!
It is also possible, the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
Ca:f3:fa:94:3f:49:e4:1b:58:2d:b1:61:27:1e:a7:88.
Please contact your system administrator.
Add correct host key in/root/.ssh/known_hosts to get rid of the this message.
Offending key in/root/.ssh/known_hosts:15
RSA host key for 192.168.21.65 had changed and you have requested strict checking.
Host Key verification failed.
Lost connection

Online search information, the solution steps are as follows:

[email protected]. ssh]# CD ~/.ssh
[email protected]. ssh]# LL
Total 88
-rw-r--r--. 1 root root 6368 Mar 10:24 known_hosts

[email protected]. ssh]# VI known_hosts
Delete known_hosts inside about the 192.168.21.65 server information, save exit.

192.168.21.65 Ssh-rsa aaaab3nzac1yc2eaaaabiwaaaqea67asgxjwnzfdujicbyjqpqtcugsf+ssj79n/vaqgr5pweooexixoooibk/ euw8ok+/xa5s09f9ucj9bmwnjwrul29zupw6mw2+ovhe6hqywgc0emeedllvavbl5vqtb+ aqaiph5i7cdkzepya7liph5j3iaktjwgzjeem3h8l9c9pky9a9+xynzi+hy1ut7xvacf00/ca+ Jjkmr0lrd9ou9ark6oyuxbm70qcalpjqmdkkgwc5q7io6dbqukieq6cri4wk2dgna2bi6ptgjry9beu2joopquqbyii4pnz1aslznk94ds2cgegqs3n4y0muk imxcxjhhu7x4vdsyf/q==

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