[zloy_XaKER]

Хорошо. Напишите заведомо рабочие репозитории, чтобы убедиться что проблема точно на моей стороне.

Вот что получаю при выборе украинского репозитория (из Software Sources)

Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...rce/Sources.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://mirror.mirohost.net/ubuntu/di...64/Packages.gz 404 Not Found Failed to fetch http://extras.ubuntu.com/ubuntu/dist...rce/Sources.gz 404 Not Found Failed to fetch http://extras.ubuntu.com/ubuntu/dist...64/Packages.gz 404 Not Found Some index files failed to download, they have been ignored, or old ones used instead.

И тоже самое если подключаюсь к ftp.corbina.net, как понял популярный репозиторий. Но на корбину я могу попасть из браузера