Grub disk: something automatic?

Goh Lip g.lip at
Tue Jan 26 04:10:03 UTC 2010

On 01/26/2010 04:46 AM, Dotan Cohen wrote:
>> I'll send separately to your email an iso file about 1 Mb a grub2 live
>> cd.
> Thanks!
>> To boot, do one (out of 3) of the following
>> *1*
>> configfile (hd0,x)/boot/grub/grub.cfg
>> *2*
>> linux (hdy,x)/vmlinuz root=/dev/sdax     {sdbx  ?}
>> initrd (hdy,x)/initrd.img
>> boot
>> *3*
>> set root=(hdy,x)
>> chainloader +1
>> boot
>> note: 'x' and 'y' in (hdy,x) and sdax {sdbx ?}  is a real number of your
>> partition
>> do a search to confirm:
>> search -f /vmlinuz
>> search -f /boot/grub/grub.cfg
>> search -f /boot/grub/menu.lst    {?}
> I searched Google for this disk hoping to find info, but I found none.
>  From where did it come?

The search commands are at the grub2 prompt and will list the (boot) 
partitions having the files. For example, if you have hardy on sda2, 
karmic on sdb1 and windows on sda1, doing the following search at grub 
prompt will give......

(hd0) (hd0,1) (hd0,2) (hd1) (hd1,1)

grub>search -f /vmlinuz
(hd0,2) (hd1,1)

grub>search -f /boot/grub/grub.cfg

grub>search -f /boot/grub/menu.lst

To make a grub2.iso disk, when booted into karmic, open a terminal and 
type "grub-mkrescue grub2.iso". The iso file will be generated at the 
dir where this command is issue, namely ~/your-home. (Future version of 
grub2 need to specify --output ie., "grub-mkrescue --output=grub2.iso")

Some reading material on grub2....

regards- goh lip

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