https://help.ubuntu.com/community/UpgradeNotes explicitly says that you can only upgrade from feisty (7.04) to hardy (8.04) by way of gutsy (7.10), not directly.
https:/ /help.ubuntu. com/community/ UpgradeNotes explicitly says that you can only upgrade from feisty (7.04) to hardy (8.04) by way of gutsy (7.10), not directly.