kernel img & initrd
./qemu-system-x86_64 -kernel vmlinuz-6.6.0-Danger+ -initrd initrd.img-6.6.0-Danger+ -append "root=/dev/ram0 console=ttyS0" -m 512M -serial stdio
./qemu-system-x86_64 -kernel vmlinuz-6.6.0-Danger+ -initrd initrd.img-6.6.0-Danger+ -append "root=/dev/ram0 console=ttyS0" -m 512M -serial stdio