for kids educational purpose, I've made a "modified" version of Raspbian for PC. Pratically speaking, I've simply installed and configured some software (mainly minetest and its python api) and taken a backup from USB key. The backup is a .iso file containing original system partition and custom persistence partition. Now I want to distribute my image (at no cost) so kids at home can write it on their usb key and use the learning environment. Since all the pieces are under the (l)gpl license, I'm allowed to freely redistribute it? I have to put the gpl license file somewhere alongside the downloadable image?
Thanks in advance.