WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Last Updated on Monday, 06 September 2010 16:52 Monday, 06 September 2010 16:41
One solution to this problem is to add a correct key for a particular server manually. If you feel 100% that this warring can be ingnored simply remove a line with a incorrect key. In this particular case below an offending key is on line 21. To remove a line 21 ( use your line number )use a following command:
sed -i '21d' ~/.ssh/known_hosts
error message:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ 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 is
a2:ef:d6:da:26:f0:9b:5f:d8:2a:f1:e5:1a:5b:39:2f.
Please contact your system administrator.
Add correct host key in /home/user_name/.ssh/known_hosts to get rid of this message.
Offending key in /home/user_name/.ssh/known_hosts:21
RSA host key for 10.1.1.4 has changed and you have requested strict checking.
Host key verification failed.
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