tommy90@tommy90-P53SJ:~$ sudo apt-get update
Scaricamento di:1 http://download.virtualbox.org/virtualbox/debian xenial InRelease [7.882 B]
Trovato:2 http://archive.canonical.com/ubuntu xenial InRelease
Trovato:3 http://security.ubuntu.com/ubuntu xenial-security InRelease
Trovato:4 http://archive.ubuntu.com/ubuntu xenial InRelease
Scaricamento di:5 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [93,3 kB]
Ign:1 http://download.virtualbox.org/virtualbox/debian xenial InRelease
Recuperati 101 kB in 1s (84,1 kB/s)
Lettura elenco dei pacchetti... Fatto
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Errore GPG: http://download.virtualbox.org/virtualbox/debian xenial InRelease: Le seguenti firme non sono state verificate perché la chiave pubblica non è disponibile: NO_PUBKEY A2F683C52980AECF
W: The repository 'http://download.virtualbox.org/virtualbox/debian xenial InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Non è disponibile alcuna chiave pubblica per i seguenti ID di chiavi:
A2F683C52980AECF
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-it_IT) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-it) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:5 and /etc/apt/sources.list:15