On Thursday 08 November 2001 00:48, Timo Benk wrote: > On Wed, Nov 07, 2001 at 01:38:30AM +0800, csj wrote: [...] > > Is there a way for me to install grub directly to "grub_boot.fdd" > > and have a file system on that file at the same time? [...]
> Try the following: > > this recipe is heavily based on information provided to me by > Petr Konecny. > > first make a 2.88MB zeroed image file. > dd if=/dev/zero of=/tmp/boot288.img bs=512 count=5760 > > then set up the loop device. > losetup /dev/loop0 /tmp/boot288.img This appears to be the missing link. I had assumed creating a filesystem (below) would be enough to do the trick. > then format it with the ext2 filesystem. > mke2fs /dev/loop0 > > mount it under /mnt. > mount /dev/loop0 /mnt > > create a directory named grub. > mkdir /mnt/grub > > copy the grub stage files onto the floppy image. > cp /usr/lib/grub/i386-pc/stage[12] /mnt/grub > > create a device map file. > echo "(fd0) /dev/loop4" > /tmp/dev.map A slight case of sticky keys? I made this one "(fd0) /dev/loop0" > install grub to the image. > /sbin/grub --device-map=/tmp/dev.map <<END > root (fd0) > setup (fd0) > END > > -----<snip>------ > # grub menu file menu.lst > > timeout 5 > title Rescue System > root (fd0) > kernel /vmlinuz root=/dev/ram0 ramdisk_size=4096 init=/linuxrc rw > -----<snap>------ > > now copy the initrdfs.gz and the kernel to /mnt and unmount /mnt. > finally detach the loop device: > losetup -d /dev/loop0 > > voila, that's it. Except for the above note, no complaints from the patient thus far. I omitted the initrd stuff because I don't seem to have it. I'm still waiting to (not "waiting for a" ;-) reboot, however, to see the results of the surgery. Vielen dank -- Sir Isaac Newton: "If I have seen further, it is by standing on the shoulders of giants."
