Hello community,   I have just been successful building my own image of Ubuntu focal + preempt_rt (kernel 5.15.76-rt53) for my Rock64 board for the first time (a bit of additional background at the end of my post). Exciting! I had a few hiccups along the way, and I need to figure out a few more things. So far I'm happy and impressed with the project.   However, given I want to share my work (and the resulting image(s)) I would like to ask for some pointers on what is the best