The problem comes from a mistake of mine, not from a system bug.
Asking to install grub in /dev/sda instead of sd0 resulted in a correct installation of Ubuntu on an USB esternal drive and grub on it's boot sector.
thanks
francesco
The problem comes from a mistake of mine, not from a system bug.
Asking to install grub in /dev/sda instead of sd0 resulted in a correct installation of Ubuntu on an USB esternal drive and grub on it's boot sector.
thanks
francesco