On Tue, Dec 9, 2014 at 9:44 AM, Fabian Greffrath <fab...@greffrath.com> wrote: > Am Dienstag, den 09.12.2014, 10:28 +0100 schrieb Kevin Wolf: >> Syslinux is relatively easy as well. Just avoid GRUB 2 if you want to >> set up disk images from the host. I've done it before, but it's ugly... > > Yep, I was talking about GRUB 2. However, in the meantime I have figured > out what to do in order to create a "minimal" booting image. After all > the image creation, partitioning, formatting, device mapping and finally > mounting you only have to call "grub-install" with the right parameters > (!), copy the actual kernel into the image and create a minimal grub.cfg > file. > > By "right parameters" I meant that grub-install per default copies GRUB > 2 in its entirety onto the image, including the whole menu system, > graphical support, file system drivers and localization, etc. This will > take up about 10MB, which is why I put the "minimal" word in quotation > marks. You can, of course, manually select which modules you want to > install, but this must be a perfect guess. In my simple case it worked > with '--install-modules="part_msdos ext2 multiboot normal" --locales=""' > passed to grub-install on the command line. > > Anyway, it's easier to just boot the multiboot kernel image and be done > with it. ;)
The multiboot image is fine. 10 MB for a boot loader? Just wow, at some point it's better to slap a boot sector onto the Linux kernel and be done with it, kexec already exists. Stefan