次のエラーが発生します:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/main/binary-amd64/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/restricted/binary-amd64/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/universe/binary-amd64/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/multiverse/binary-amd64/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/main/binary-i386/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/restricted/binary-i386/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/universe/binary-i386/Packages 404 Not Found [IP: 91.189.91.14 80]
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/raring/multiverse/binary-i386/Packages 404 Not Found [IP: 91.189.91.14 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
daniele@daniele-XPS-13-9343:~$
と入力すると、sudo apt-get updateこの問題を解決するにはどうすればよいですか?
答え1
サポートされなくなった Ubuntu 12.10 を使用しています。
Ubuntu 14.04 をインストールすることをお勧めします。これは 2019 年 4 月までサポートされます。