Hacking the Seagate Dockstar is so easy, it cannot even be considered hacking. Here you go:
The outstanding thing here is not the "hack" itself but the replacement of the bootloader! The new bootloader can boot from a variety of locations, including attached USB drives! So, how did Jeff manage to create the replacement bootloader?
After "hacking" and replacing the bootloader, you can install Debian very conveniently with the help of
The installation of OpenWrt is a little bit less convenient, but can be managed: