Code for the first lesson in lezione-os OSDev tutorial series.
Install python3, fuse, rsync, qemu-system-x86_64 and build-essential packages.
Install xbstrap from pip: pip3 install xbstrap.
Run make build-release/make build-debug in root directory to build release image (OS image with kernel built in release mode) and image for debugging respectively.
Run make run-release to run release image in QEMU
Run make run-debug to run debug image in QEMU. QEMU will wait for debugger to be attached. Run make gdb-attach in a separate terminal to start GDB and attach it to QEMU. Now you can debug lezione kernel!