Εχω αυτο το προβλημα με το update.Πηγαινει μεχρι το 98% και μετα μου βγαζει αυτο .
- Κώδικας: Επιλογή όλων
W: The repository 'cdrom://Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412) zesty Release' does not have a Release file.
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: GPG error: https://repo.skype.com/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1F3045A5DF7587C3
W: The repository 'https://repo.skype.com/deb stable 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: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu artful Release' does not have a Release file.
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: The repository 'http://ppa.launchpad.net/ubuntu-desktop/daily/ubuntu artful Release' does not have a Release file.
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: The repository 'http://ppa.launchpad.net/ubuntu-desktop/gtk-mir/ubuntu artful Release' does not have a Release file.
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: The repository 'http://ppa.launchpad.net/ubuntu-desktop/ppa/ubuntu artful Release' does not have a Release file.
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: The repository 'http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu artful Release' does not have a Release file.
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: The repository 'http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make-builddeps/ubuntu artful Release' does not have a Release file.
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.
E: Failed to fetch cdrom://Ubuntu 17.04 _Zesty Zapus_ - Release amd64 (20170412)/dists/zesty/main/binary-amd64/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
E: Failed to fetch http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/artful/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/daily/ubuntu/dists/artful/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/gtk-mir/ubuntu/dists/artful/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/ppa/ubuntu/dists/artful/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make/ubuntu/dists/artful/main/binary-i386/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/ubuntu-make-builddeps/ubuntu/dists/artful/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
. Με τον τρόπο αυτό βοηθάμε κάποιον να βρει εύκολα τη λύση σε παρόμοιο θέμα απλά πατώντας πάνω στο πράσινο τικ.