How to rip a dvd (probably also works with cds, etc) on gnu/linux (probably also works on other *nix systems such as macos and openbsd)

1. Plug in the dvd

2. Run lsblk to see if it got detected

3. Run dd if=/dev/cdrom of=dvd.dvd status=progress

4. You can now play the ripped dvd using mpv: mpv dvd://0/dvd.dvd

If you need to get rid of digital restrictions management, you can try this guide