install. IMG production method

install.img( Used in some systems ) from grub2 Boot up , And complete the system disk mounting , Service loading and other work , Such as system installation program 、 The backup and restore program can be modified in this file .

install.img Make

1. mount install.img ( From what already exists iso Found in file install.img);
2. Copy out LiveOS/rootfs.img, Drop directory is build/LiveOS/roofs.img;
3. mount rootfs.img File and make changes , Such as replacing the system installation program ;
4. umount rootfs.img;
5. mksquashfs build/ install.img -comp xz;