Managed to get OpenWRT (Kamikaze) running. The OpenWRT build process were quite easy, but took me a bit of time to flash it so that I can boot it from NAND. The plan is to use it in a remote location (+-900km) from my home as a secondary backup server. It will be used to remotely backup 1TB of data on an external USB disk.
The second win was to compile OWFS and use it via a USB device. This I want to use to drive multiple 1-wire temperature sensors.