zapped boot info

[blind Pete]

Wes James wrote:

> I have a mac pro (2010?) that is set up with xubuntu 12.04.  The first
> disk in the system has windows, the second has os X and xubuntu / and swap
> partitions.  The user upgraded to maveriks, but now when the system start
> you can see Windows, Xubuntu and OS X in the refit boot menu.  When you
> select Xubuntu, it boots in to windows.  

Disappointing.  

> I booted from the super grub disk
> ( http://www.supergrubdisk.org/ ) and can select the Xubuntu option and it
> boots fine.  I've looked in gparted to see where the boot loader might
> have been for xubuntu, but I can't tell.  

Can you tell how many partitions there are?  Look for a "fat" partition, 
on either disk.  Also, "sudo blkid" will list your partitions.  
Do you have anything under </boot/efi/> ?

> There is a /boot folder so I think the
> system was partitioned in to / and swap only.  Any suggestions on getting
> xubuntu booting again.  I've tried update-grub2, but that doesn't help.
>  I've looked at using the grub-install, but I'm not sure what parameters
> I'd use to run it.  I tried:
> 
> sudo grub-install /dev/sda
> 
> but it says it can't do that on a GPT partition. Same with /dev/sdb.
> 
> Thanks,
> 
> -wes

One way to get the right answer on usenet is to start by posting 
the wrong answer...  

Re-install from scratch, just like Windows.  

;-) 

-- 
blind Pete
Sig goes here...