cannot update from 13.10 to 14.04

[Luca Ferrari]

On Tue, Sep 30, 2014 at 8:33 AM, Clay Weber <clay at claydoh.com> wrote:
> Have you tried running do-release-upgrade *without* sudo, as one of the
> answers suggested? Using sudo for this is unnecessary, as the tool will ask
> for your password when it needs to, to proceed with the upgrade.  This is the
> method that solved the problem for the user in the askubuntu entry.

Yes, I've tried doing it directly from root as well as via sudo, and
nothing changed.

Luca