Nie wiem czemu ale podczas aktualizacji oprogramowania pojawia się taki błąd:
Nieudane pobranie informacji z repozytoriów.
Proszę sprawdzić połączenie internetowe.
W:GPG error: http://packages.medibuntu.org quantal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783, W:GPG error: http://mirrors.dotsrc.org quantal-getdeb Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8A515F046D7E7CF, W:GPG error: http://ppa.launchpad.net quantal Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6AF0E1940624A220, W:GPG error: http://ppa.launchpad.net quantal Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5A9A06AEF9CB8DB0, W:Failed to fetch http://securit.ubuntu.com/ubuntu/dists/quantal-security/Release.gpg Something wicked happened resolving 'securit.ubuntu.com:http' (-5 - No address associated with hostname)
, W:Failed to fetch http://securit.ubuntu.com/ubuntu/dists/quantal-security/universe/source/Sources Something wicked happened resolving 'securit.ubuntu.com:http' (-5 - No address associated with hostname)
, E:Some index files failed to download. They have been ignored, or old ones used instead.
W terminalu to da się jeszcze ominąć, ale normalnie to się zatrzymuje...
Problem ze sterownikami. (5)