[ssh] remove hash for an host
When connecting to a new host, the corresponding RSA fingerprint is showing up and you are prompted to add it
This hash is checked every time you connect to the host.
If this hash has changed (OS reinstall, servers upgrade/switching…), a warning is displayed and you are not able to connect to the host.
OK, you can delete the line by editing ~/.ssh/known_hosts file.
But the proper way is the following via ssh-keygen command :
[survietamine@mybox ]$ ssh-keygen -R remoteHost
/home/survietamine/.ssh/known_hosts updated.
Original contents retained as /home/survietamine/.ssh/known_hosts.old
