On Sun, 2007-10-28 at 17:29 +0900, John Summerfield wrote: > Michael Wiktowy wrote: > > On 10/27/07, Mikkel L. Ellertson <mikkel@xxxxxxxxxxxxxxxx> wrote: > >> If you have partition 1 as your /boot partition, and you have > >> wbiosboot.img as your image file, you can have an entry like this: > >> > >> title BIOS update > >> root (hd0,0) > >> chainloader /wbiosboot.img > > > > I didn't know that grub chainloader was capable of doing this. You > > mention doing this with a floppy image, is it possible to boot into > > bootable ISO images this way? > > > > /Mike > > > I think it's an option RH/F doesn't build (grub has a few features not > normally included), but properly constructed, grub can read from CD: > root (cd) > and even the LAN* > root (nb) > > > * Requires a driver for your NIC, and drivers take RAM and so it's not > normally built that way. > > > > -- > > Cheers > John > > -- spambait > 1aaaaaaa@xxxxxxxxxxxxxxxx Z1aaaaaaa@xxxxxxxxxxxxxxxx > -- Advice > http://webfoot.com/advice/email.top.php > http://www.catb.org/~esr/faqs/smart-questions.html > http://support.microsoft.com/kb/555375 > > Please do not reply off-list > I'm a bit late replying but the root (cd) option is available in F7 I put the kernel and initrd + grub bits on the CD ################################################### mount -o loop corsair_grub.iso /mnt/zip naxos ~ 999# ls -lR /mnt/zip /mnt/zip: total 4754 drwxr-xr-x 3 ja sysadmin 2048 2007-10-27 11:25 boot -r--r--r-- 1 root root 2048 2007-10-27 11:31 boot.catalog -rw------- 1 root root 2935352 2007-10-27 11:28 initrd-2.6.22.9-91.fc7.img -rw-r--r-- 1 root root 1927252 2007-10-27 11:28 vmlinuz-2.6.22.9-91.fc7 /mnt/zip/boot: total 2 drwxr-xr-x 2 ja sysadmin 2048 2007-10-27 11:28 grub /mnt/zip/boot/grub: total 126 -rw------- 1 root root 737 2007-10-27 11:28 grub.conf lrwxrwxrwx 1 root root 32 2007-10-27 11:28 menu.lst -> /home/ja/iso/boot/grub/grub.conf -rw-r--r-- 1 root root 22647 2007-10-27 11:28 splash.xpm.gz -rw-r--r-- 1 root root 104924 2007-10-27 11:28 stage2_eltorito ################################################### I used it last night to boot from a CD and hence to a USB stick where the laptop BIOS does not see the bootable stick. John
