Re: Installing GRUB on a separate partition?
Are you trying to do it from a Live CD or something?
grub-mkconfig grub probe error cannot find device for /
Try mounting the file system that contains the GRUB you're trying to install somewhere, and then do,
Where: 'media/KARMIC' is the name of the mount point.
sudo grub-install --root-directory=/media/KARMIC/boot/grub /dev/sda
Usually the mount point will be named after the file system label if you have set one (recommended).
If you haven't set a file system label you may do so with GParted in the Ubuntu Live CD anytime you like. Just right-click on the partition and select 'Label', and type in a name of your choice. Mine is 'KARMIC', but you may call yours something else.
Ubuntu user since 2004 (Warty Warthog)