Dual boot problem

[Phil Meyer]

Grumpy_Penguin wrote:
> I have Kubuntu 6.06.1 amd 64 version installed on HDa 80 GB
> I installed Fedora Core 6 64 bit version on HDb 300 Gb
> when I rebooted grub could not find FC 6
> Any idea what I did wrong?
>   
The only thing you did 'wrong' was not to decide in advance who gets to 
control grub. :)

Here is how you 'fix' it.
Boot into KUbuntu.
Mount your FC6 boot partition on /mnt
# mount /dev/hdb1 /mnt
# cd /mnt/grub
# cat grub.conf

examine the indicated default boot record.
copy that boot record (4 lines) into /etc/grub.conf

all done!

Next time you boot, your option for Fedora will show.

Problem:
The MBR is set to read grub options from the primary source, hd0,0.  It 
doesn't know about your Fedora install.  Tell it about Fedora by 
modifying /etc/grub.conf on the primary.