"BackerUpper is a tool similar to Apple's TimeMachine. It is
intended to create snapshot-backups of selected directories or even
your full hard drive. From the BackerUpper project page:
'Backerupper is a simple program for backing up selected
directories over a local network. Its main intended purpose is
backing up a user's personal data.' This article shows how to
install and use BackerUpper on Ubuntu 7.10 (Gutsy Gibbon)..."