problems upgrading from 14.04 to 16.04

[Ralf Mardorf]

On Fri, 30 Sep 2016 15:36:00 +0200, J.L. Blom wrote:
>Tom, your last suggestion "dpkg -P --force-all gcc-5-base" did the
>trick. Not in the first try but then it was suggested to try "dpkg -f "
>and that suddenly removed many - apparently old - packages and
>installed new ones.

Is 'dpkg -f' a typo? Should it read 'apt -f install' or
'apt-get -f install'?

Regards,
Ralf