Ubuntu / Debian Linux Regenerate SSH Host Keys
Simon | March 25, 2011If you need to regenerate your SSH Host Keys do the following.
1. delete your old keys
rm /etc/ssh/ssh_host_*
2. reconfigure the ssh server
dpkg-reconfigure openssh-server
That’s it now you can update you known_hosts file when you connect next time. If you use strict checking which you should you will need to delete the key from you known_hosts file in you home directory. Or you will not be able to connect.
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