14.04 ubuntuをアップデートしようとすると、
A problem occurred during the update.
This is usually some sort of network problem,
please check your network connection and retry.
W:Failed to fetch http://it.archive.ubuntu.com/ubuntu/dists/natty-backports/main/source/Sources 404 Not Found [IP: 193.206.139.34 80]
, W:Failed to fetch http://it.archive.ubuntu.com/ubuntu/dists/natty-backports/restricted/source/Sources 404 Not Found [IP: 193.206.139.34 80]
, W:Failed to fetch http://it.archive.ubuntu.com/ubuntu/dists/natty-backports/universe/source/Sources 404 Not Found [IP: 193.206.139.34 80]
, W:Failed to fetch http://it.archive.ubuntu.com/ubuntu/dists/natty-backports/multiverse/source/Sources 404 Not Found [IP: 193.206.139.34 80]
, E:Some index files failed to download. They have been ignored, or old ones used instead.
何年も前に 11.04 ディスクでインストールしましたが、EOL アップデートでいくつか問題があると思います... 修正方法をご存知の方はいませんか?
ありがとう!!
答え1
まず古いaptを削除する必要がありますリストこのパスからのファイル:
/var/lib/apt/lists/
次にaptを更新します:
sudo apt-get update