Re: [Trisquel-users] I got this messsage when I connected a BBB to the X60s

[xliang9550]

This is because you once accessed another system with same IP/domain name.  
When ssh detects that the same IP/domain name has different key fingerprint  
(some hash value), it reports an "attack".

The solution is easy: just follow the instructions to remove the old  
credentials. Or else simply delete the ~/.ssh/known_hosts file.