Actually, you can do (as root)
apt-get update
apt-get dist-upgrade
Although, I would first change all the references to "potato" to refer
to woody. Woody isn't unstable anymore, it's "testing" and pretty
stable. Then you can do your update and dist-upgrade.
--
Buddy Brannan, KB5ELV | I choose you to take up all of my time.
Email: davros at ycardz.com | I choose you because you're funny and kind
Phone: (972) 276-6360 | I want easy people from now on.
| --the Nields
