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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
8e:6e:7c:b0:9a:2e:7f:18:2b:9c:5d:7c:4d:5a:83:a9.
Please contact your system administrator.
Add correct host key in /Users/ivonet/.ssh/known_hosts to get rid of this message.
Offending RSA key in /Users/ivonet/.ssh/known_hosts:26
RSA host key for 192.168.2.100 has changed and you have requested strict checking.
Host key verification failed.
맥에서 리셋을 해줘야함!
ssh-keygen -R <remembered ip of your pi>