Install slugimage by entering the following commands in the terminal:
sudo apt update sudo apt install slugimage
Description:
NSLU2 firmware image manipulation utility
This is the slugimage program, which can be used to manipulate NSLU2 firmware images.
Homepage: https://github.com/nslu2-linux/SlugImage
Version: 1:0.1+20160202.fe8b64a-2
Section: universe/admin