Ако напиша в терминала sudo apt-get update ми излиза:
root@debian:/home/dimitar# sudo apt-get update
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy Release.gpg
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy Release
Err cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/contrib i386 Packages
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Err cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/main i386 Packages
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/contrib Translation-en_US
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/contrib Translation-en
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/main Translation-en_US
Ign cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54] wheezy/main Translation-en
Ign
http://packages.mate-desktop.org wheezy Release.gpg
Hit
http://security.debian.org wheezy/updates Release.gpg
Hit
http://packages.mate-desktop.org precise Release.gpg
Hit
http://security.debian.org wheezy/updates Release
Ign
http://packages.mate-desktop.org wheezy Release
Hit
http://security.debian.org wheezy/updates/main Sources
Hit
http://packages.mate-desktop.org precise Release
Hit
http://http.us.debian.org wheezy Release.gpg
Hit
http://security.debian.org wheezy/updates/contrib Sources
Hit
http://security.debian.org wheezy/updates/main i386 Packages
Hit
http://security.debian.org wheezy/updates/contrib i386 Packages
Hit
http://http.us.debian.org wheezy Release
Hit
http://security.debian.org wheezy/updates/contrib Translation-en
Hit
http://security.debian.org wheezy/updates/main Translation-en
Hit
http://packages.mate-desktop.org precise/main Sources
Hit
http://packages.mate-desktop.org precise/main i386 Packages
Hit
http://http.us.debian.org wheezy/main i386 Packages
Hit
http://http.us.debian.org wheezy/main Translation-en
Err
http://packages.mate-desktop.org wheezy/main Sources
404 Not Found
Err
http://packages.mate-desktop.org wheezy/main i386 Packages
404 Not Found
Ign
http://packages.mate-desktop.org wheezy/main Translation-en_US
Ign
http://packages.mate-desktop.org wheezy/main Translation-en
Ign
http://packages.mate-desktop.org precise/main Translation-en_US
Ign
http://packages.mate-desktop.org precise/main Translation-en
W: Failed to fetch cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54]/dists/wheezy/contrib/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch cdrom://[Debian GNU/Linux 7.1.0 _Wheezy_ - Official i386 DVD Binary-1 20130615-21:54]/dists/wheezy/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
W: Failed to fetch
http://packages.mate-desktop.org/repo/ubuntu/dists/wheezy/main/source/Sources 404 Not Found
W: Failed to fetch
http://packages.mate-desktop.org/repo/ubuntu/dists/wheezy/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
root@debian:/home/dimitar#