If you have some public SSH keys, you should really upload them to Launchpad.
This is one of the lesser-known but extremely useful features of
Launchpad. When I'm adding accounts for people to one of my many,
various machines, I always have to figure out a secure channel to
upload/download keys or deal with the temporary exposure of a plaintext
password. Since Launchpad takes great care to encrypt both upload and
download of sensitive data (including keys) it makes an ideal place to
So, if you think you are the sort of person who I might need to give an
account to for some reason one day, save us both some time and go upload
your keys right now.