On Sun, May 6, 2012 at 8:30 AM, antonio <antonio.montagnani@xxxxxxxxx> wrote: > Guido Grazioli ha scritto / said the following il giorno/on 06/05/2012 >> Open your $HOME/.ssh/known_hosts and delete the line corrisponding >> to the new server ip address. (you can find the line number in the >> error message you get when trying to connect with ssh) >> >> > Guido, tnx a lot..it worked!!!! can you explain why this deletion is > necessary?? a bug?? The host key is generated when sshd is first run on a new installation. Since you did a fresh install a new key was generated. This new key will obviously be different to the old one you have listed for that machine on the client in ~/.ssh/known_hosts. Therefore it quite rightly complained that the key had changed and refused to connect. Normally a key change could mean a man-in-the-middle attack or similar but in this case it is a genuine and expected change. The deletion was necessary because the host key on your newly installed machine had changed. It's not a bug because the official way to delete the entry is "ssh-keygen -R hostname" where hostname is the host you want to remove the entry for. It's just often easier to delete it by hand. -- There are 10 kinds of people in the world: Those who understand binary and those who don't... -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test