Before diving into the technicalities, let’s understand the use cases for an ultra-compressed Ubuntu system:
mkdir initrd cd initrd cp /bin/busybox ./bin/ ln -s busybox ./bin/sh echo '#!/bin/sh' > init echo 'mount -t proc none /proc' >> init echo 'exec /bin/sh' >> init chmod +x init find . | cpio -o -H newc | xz --extreme > ../initrd.xz ubuntu highly compressed 10mb
If you want, I can:
Which would you like?