Grub booting from CD

Niklaus niklaus at gmail.com
Mon Apr 17 15:47:25 UTC 2006


On 4/17/06, David Timms <dtimms at bigpond.net.au> wrote:
> Niklaus wrote:
> > Hi,
> >  I have a bootable CD and normal ISO9660 data CD , both has linux on it.
> >  I don't have the BIOS password and hence cannot change the bios
> > startup options.
> >
> > 1) Is there any way to boot the CD from grub command line ?
> >
> > 2) Can i access the data in ISO9660 from grub command line ?
> >
> > I can boot a floppy like root(fd0)
> > chainloader +1
> > boot
> >
> > simlarly windows partition like root(hd0,2)
> > chainloader +1
> > boot
> >
> > Is there anything for bootable CD .
> 1. I think I did it in the past by building a bootable dos floppy image
> that loads a cd driver, and then calls loadlin with the right parameters.
>
> 2. But if you can get you into a windows partition, maybe try the
> dosutils folder from an older FCore, from memory you can configure to
> boot the CD  (oh, but I think it might need to be a fat - not ntfs - drive).
>
> 3. grub option: (but you need to make the memdisk (14k) and img (1.4)
> accessible somehow?)
>
> title bootable_cd_loader.1.50z [ok]
>    kernel /memdisk/memdisk
>    initrd /memdisk/bootable_cd_loader.1.50z.img
>
But can grub access iso file systems like it does ext2.  What are the
ways of making it accessible ?



> DaveT.
>
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