καλησπερα σας.
οταν το λσ ubuntu 14.10 με ειδοποιει για ενημερωσεις και δινω εντολη να κατεβουν τοτε παιρνω ενα μυνημα που λεει οτι απαιτει την εγκατασταση πακετων απο μη ταυτοποιημενες πηγες
και δεν με αφηνει να κανω ενημερωσεις.τι κανω;
Συντονιστής: adem1

sudo apt-get update
Αγνόησε http://gr.archive.ubuntu.com utopic InRelease
Αγνόησε http://gr.archive.ubuntu.com utopic-updates InRelease
Αγνόησε http://gr.archive.ubuntu.com utopic-backports InRelease
Hit http://gr.archive.ubuntu.com utopic Release.gpg
Αγνόησε http://security.ubuntu.com utopic-security InRelease
Hit http://gr.archive.ubuntu.com utopic-updates Release.gpg
Αγνόησε http://archive.canonical.com utopic InRelease
Hit http://gr.archive.ubuntu.com utopic-backports Release.gpg
Hit http://gr.archive.ubuntu.com utopic Release
Αγνόησε http://extras.ubuntu.com utopic InRelease
Hit http://security.ubuntu.com utopic-security Release.gpg
Hit http://gr.archive.ubuntu.com utopic-updates Release
Hit http://archive.canonical.com utopic Release.gpg
Hit http://gr.archive.ubuntu.com utopic-backports Release
Hit http://gr.archive.ubuntu.com utopic/main Sources
Hit http://security.ubuntu.com utopic-security Release
Hit http://gr.archive.ubuntu.com utopic/restricted Sources
Hit http://archive.canonical.com utopic Release
Hit http://extras.ubuntu.com utopic Release.gpg
Hit http://gr.archive.ubuntu.com utopic/universe Sources
Hit http://gr.archive.ubuntu.com utopic/multiverse Sources
Hit http://gr.archive.ubuntu.com utopic/main amd64 Packages
Hit http://security.ubuntu.com utopic-security/main Sources
Hit http://archive.canonical.com utopic/partner Sources
Hit http://gr.archive.ubuntu.com utopic/restricted amd64 Packages
Hit http://extras.ubuntu.com utopic Release
Hit http://gr.archive.ubuntu.com utopic/universe amd64 Packages
Φέρε:1 http://download.virtualbox.org trusty InRelease [5637 B]
Hit http://gr.archive.ubuntu.com utopic/multiverse amd64 Packages
Hit http://security.ubuntu.com utopic-security/restricted Sources
Hit http://archive.canonical.com utopic/partner amd64 Packages
Hit http://gr.archive.ubuntu.com utopic/main i386 Packages
Hit http://gr.archive.ubuntu.com utopic/restricted i386 Packages
Hit http://extras.ubuntu.com utopic/main Sources
Hit http://security.ubuntu.com utopic-security/universe Sources
Hit http://archive.canonical.com utopic/partner i386 Packages
Hit http://gr.archive.ubuntu.com utopic/universe i386 Packages
Hit http://gr.archive.ubuntu.com utopic/multiverse i386 Packages
Hit http://security.ubuntu.com utopic-security/multiverse Sources
Hit http://extras.ubuntu.com utopic/main amd64 Packages
Hit http://gr.archive.ubuntu.com utopic/main Translation-el
Hit http://gr.archive.ubuntu.com utopic/main Translation-en
Hit http://gr.archive.ubuntu.com utopic/multiverse Translation-el
Hit http://security.ubuntu.com utopic-security/main amd64 Packages
Hit http://extras.ubuntu.com utopic/main i386 Packages
Hit http://gr.archive.ubuntu.com utopic/multiverse Translation-en
Hit http://security.ubuntu.com utopic-security/restricted amd64 Packages
Αγνόησε http://archive.canonical.com utopic/partner Translation-en
Hit http://gr.archive.ubuntu.com utopic/restricted Translation-el
Hit http://gr.archive.ubuntu.com utopic/restricted Translation-en
Hit http://gr.archive.ubuntu.com utopic/universe Translation-el
Hit http://security.ubuntu.com utopic-security/universe amd64 Packages
Hit http://gr.archive.ubuntu.com utopic/universe Translation-en
Αγνόησε http://download.virtualbox.org trusty InRelease
Hit http://gr.archive.ubuntu.com utopic-updates/main Sources
Hit http://gr.archive.ubuntu.com utopic-updates/restricted Sources
Hit http://security.ubuntu.com utopic-security/multiverse amd64 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/universe Sources
Hit http://gr.archive.ubuntu.com utopic-updates/multiverse Sources
Hit http://gr.archive.ubuntu.com utopic-updates/main amd64 Packages
Hit http://security.ubuntu.com utopic-security/main i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/restricted amd64 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/universe amd64 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/multiverse amd64 Packages
Hit http://security.ubuntu.com utopic-security/restricted i386 Packages
Αγνόησε http://download.virtualbox.org trusty/contrib amd64 Packages/DiffIndex
Hit http://security.ubuntu.com utopic-security/universe i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/main i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/restricted i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/universe i386 Packages
Hit http://security.ubuntu.com utopic-security/multiverse i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/multiverse i386 Packages
Hit http://gr.archive.ubuntu.com utopic-updates/main Translation-en
Hit http://gr.archive.ubuntu.com utopic-updates/multiverse Translation-en
Αγνόησε http://download.virtualbox.org trusty/contrib i386 Packages/DiffIndex
Hit http://security.ubuntu.com utopic-security/main Translation-en
Hit http://gr.archive.ubuntu.com utopic-updates/restricted Translation-en
Hit http://gr.archive.ubuntu.com utopic-updates/universe Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/restricted amd64 Packages
Hit http://security.ubuntu.com utopic-security/multiverse Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/multiverse amd64 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/main amd64 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/universe amd64 Packages
Hit http://security.ubuntu.com utopic-security/restricted Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/restricted i386 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/multiverse i386 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/main i386 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/universe i386 Packages
Hit http://gr.archive.ubuntu.com utopic-backports/main Translation-en
Hit http://security.ubuntu.com utopic-security/universe Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/multiverse Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/restricted Translation-en
Hit http://gr.archive.ubuntu.com utopic-backports/universe Translation-en
Αγνόησε http://extras.ubuntu.com utopic/main Translation-el_GR
Αγνόησε http://extras.ubuntu.com utopic/main Translation-el
Hit http://download.virtualbox.org trusty/contrib amd64 Packages
Αγνόησε http://extras.ubuntu.com utopic/main Translation-en
Hit http://download.virtualbox.org trusty/contrib i386 Packages
Αγνόησε http://download.virtualbox.org trusty/contrib Translation-el_GR
Αγνόησε http://download.virtualbox.org trusty/contrib Translation-el
Αγνόησε http://download.virtualbox.org trusty/contrib Translation-en
Μεταφορτώθηκαν 5637 B σε 5s (1054 B/s)
Ανάγνωση Λιστών Πακέτων...
Ανάγνωση Λιστών Πακέτων... Ολοκληρώθηκε
W: GPG error: http://download.virtualbox.org trusty InRelease: Οι παρακάτω υπογραφές δεν ήταν δυνατόν να επαληθευτούν επειδή δεν ήταν διαθέσιμο το δημόσιο κλειδί: NO_PUBKEY 54422A4B98AB5139

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 54422A4B98AB5139sudo apt-get updatesudo apt-get upgrade
