If running on amd64 get the qemu support for aarch64: ./qemu-setup-linux.sh
Next:
-
Run ./download-img.sh to pull the ubuntu image
-
Run ./run-docker-image-build.sh to prepare SPR to run
-
Run ./write-img.sh /dev/xyz (where xyz is your thumb drive/ sd card)
-
Optionally mount the image and modify /spr-environment.sh to change runtime behavior