sharing /boot among multible Linux distros

[Tom H]

On Wed, Nov 27, 2013 at 3:36 AM, Javier Perez <pepebuho at gmail.com> wrote:
>
> For some reason, Fedora seems to find the kernels of the Ubuntu partitions
> each time I update the Fedora Kernel. I do not have them explicitly mounted
> as far as I remember. I'd have to check next time I boot in Fedora. Probably
> they are on /media

It's os-prober that finds them, mounted or unmounted, and they're
added to grub.cfg via the 30_os-prober script.