Lo ottengo dopo l'aggiornamento in Synaptic Manager
Recentemente ho fatto un'installazione pulita di Ubuntu 17.04 dal 16.10.
messaggio di errore:-
W: Download is performed unsandboxed as root as file '/var/cache/apt/archives/partial/samba-libs_2%3a4.5.8+dfsg-0ubuntu0.17.04.1_i386.deb' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)