FC18 install - doesn't offer other OS on the drive

[Carroll Grigsby]

On Fri, 25 Jan 2013 17:15:07 +0000
Jorge Martínez López <jorgeml at gmail.com> wrote:

> Hi!
> 
> 2013/1/25 Bill Davidsen <davidsen at tmr.com>
> 
> > I'll see if a different subject, devoid of anything but the
> > question, brings a response. When I installed FC18 on a drive with
> > FC17 and XP the installer didn't offer an option to boot those OS
> > as alternatives.
> >
> > Is this a bug or by design.
> 
> 
> I installed F18 in a Macbook Pro with Mac OS X in another partition
> and Mac OS X shows up in Grub.
> 
> I am not sure if it is the task of the installer to set up booting
> other operating systems. It is Grub that enables that. Grub2 looks
> for other operating systems when updating its config and it should
> add them to the menu "automagically".
> 
> To update Grub's config I run:
> 
> # grub2-mkconfig /boot/grub2/grub.cfg
> 
> (Note: I use Grub2 and BIOS, configuration for EFI is different)
> 
> Greetings,
> 

Try it this way:
grub2-mkconfig -o /boot/grub2/grub.cfg

-- cmg