我正在尝试在 ubuntu 13.04 上安装 vsftp，但出现以下错误：
nhudson@axum:~$ sudo apt-get install vsftpd
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
vsftpd
0 upgraded, 1 newly installed, 0 to remove and 3 not upgraded.
Need to get 112 kB of archives.
After this operation, 370 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
vsftpd
Install these packages without verification [y/N]? y
Err http://us.archive.ubuntu.com/ubuntu/ raring-updates/main vsftpd amd64 3.0.2-1ubuntu1.1
404 Not Found
Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/v/vsftpd/vsftpd_3.0.2-1ubuntu1.1_amd64.deb 404 Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
我尝试使用 --fix-missing 进行 apt-get update，但产生的输出与简单的 atp-get update 相同：
nhudson@axum:~$ sudo apt-get update
Ign http://security.ubuntu.com raring-security Release.gpg
Ign http://us.archive.ubuntu.com raring Release.gpg
Ign http://us.archive.ubuntu.com raring-updates Release.gpg
Ign http://security.ubuntu.com raring-security Release
Ign http://us.archive.ubuntu.com raring-backports Release.gpg
Ign http://us.archive.ubuntu.com raring Release
Ign http://security.ubuntu.com raring-security/main Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates Release
Ign http://security.ubuntu.com raring-security/restricted Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports Release
Ign http://us.archive.ubuntu.com raring/main Sources/DiffIndex
Ign http://security.ubuntu.com raring-security/universe Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring/restricted Sources/DiffIndex
Ign http://security.ubuntu.com raring-security/multiverse Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring/universe Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring/multiverse Sources/DiffIndex
Ign http://security.ubuntu.com raring-security/main amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/main amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/restricted amd64 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/restricted amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/universe amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/multiverse amd64 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/universe amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/main i386 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/multiverse amd64 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/main i386 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/restricted i386 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/universe i386 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/multiverse i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/restricted i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/universe i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring/multiverse i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/main Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/restricted Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/universe Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/multiverse Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/main amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/restricted amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/universe amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/multiverse amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/main i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/restricted i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/universe i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-updates/multiverse i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/main Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/restricted Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/universe Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/multiverse Sources/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/main amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/restricted amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/universe amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/multiverse amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/main i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/restricted i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/universe i386 Packages/DiffIndex
Ign http://us.archive.ubuntu.com raring-backports/multiverse i386 Packages/DiffIndex
Ign http://security.ubuntu.com raring-security/main Translation-en_US
Ign http://security.ubuntu.com raring-security/main Translation-en
Ign http://security.ubuntu.com raring-security/multiverse Translation-en_US
Ign http://security.ubuntu.com raring-security/multiverse Translation-en
Ign http://security.ubuntu.com raring-security/restricted Translation-en_US
Ign http://security.ubuntu.com raring-security/restricted Translation-en
Ign http://security.ubuntu.com raring-security/universe Translation-en_US
Ign http://security.ubuntu.com raring-security/universe Translation-en
Err http://security.ubuntu.com raring-security/main Sources
404 Not Found
Err http://security.ubuntu.com raring-security/restricted Sources
404 Not Found
Err http://security.ubuntu.com raring-security/universe Sources
404 Not Found
Err http://security.ubuntu.com raring-security/multiverse Sources
404 Not Found
Err http://security.ubuntu.com raring-security/main amd64 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/restricted amd64 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/universe amd64 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/multiverse amd64 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/main i386 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/restricted i386 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/universe i386 Packages
404 Not Found
Err http://security.ubuntu.com raring-security/multiverse i386 Packages
404 Not Found
Ign http://us.archive.ubuntu.com raring/main Translation-en_US
Ign http://us.archive.ubuntu.com raring/main Translation-en
Ign http://us.archive.ubuntu.com raring/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com raring/multiverse Translation-en
Ign http://us.archive.ubuntu.com raring/restricted Translation-en_US
Ign http://us.archive.ubuntu.com raring/restricted Translation-en
Ign http://us.archive.ubuntu.com raring/universe Translation-en_US
Ign http://us.archive.ubuntu.com raring/universe Translation-en
Ign http://us.archive.ubuntu.com raring-updates/main Translation-en_US
Ign http://us.archive.ubuntu.com raring-updates/main Translation-en
Ign http://us.archive.ubuntu.com raring-updates/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com raring-updates/multiverse Translation-en
Ign http://us.archive.ubuntu.com raring-updates/restricted Translation-en_US
Ign http://us.archive.ubuntu.com raring-updates/restricted Translation-en
Ign http://us.archive.ubuntu.com raring-updates/universe Translation-en_US
Ign http://us.archive.ubuntu.com raring-updates/universe Translation-en
Ign http://us.archive.ubuntu.com raring-backports/main Translation-en_US
Ign http://us.archive.ubuntu.com raring-backports/main Translation-en
Ign http://us.archive.ubuntu.com raring-backports/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com raring-backports/multiverse Translation-en
Ign http://us.archive.ubuntu.com raring-backports/restricted Translation-en_US
Ign http://us.archive.ubuntu.com raring-backports/restricted Translation-en
Ign http://us.archive.ubuntu.com raring-backports/universe Translation-en_US
Ign http://us.archive.ubuntu.com raring-backports/universe Translation-en
Err http://us.archive.ubuntu.com raring/main Sources
404 Not Found
Err http://us.archive.ubuntu.com raring/restricted Sources
404 Not Found
Err http://us.archive.ubuntu.com raring/universe Sources
404 Not Found
Err http://us.archive.ubuntu.com raring/multiverse Sources
404 Not Found
Err http://us.archive.ubuntu.com raring/main amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/restricted amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/universe amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/multiverse amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/main i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/restricted i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/universe i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring/multiverse i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/main Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/restricted Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/universe Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/multiverse Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/main amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/restricted amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/universe amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/multiverse amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/main i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/restricted i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/universe i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-updates/multiverse i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/main Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/restricted Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/universe Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/multiverse Sources
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/main amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/restricted amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/universe amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/multiverse amd64 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/main i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/restricted i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/universe i386 Packages
404 Not Found
Err http://us.archive.ubuntu.com raring-backports/multiverse i386 Packages
404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/main/source/Sources 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/restricted/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/main/source/Sources 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/universe/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/restricted/source/Sources 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/multiverse/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/universe/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/multiverse/source/Sources 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/restricted/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/restricted/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/universe/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/multiverse/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/universe/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/main/binary-i386/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/multiverse/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/main/binary-i386/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/restricted/binary-i386/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/universe/binary-i386/Packages 404 Not Found
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/raring-security/multiverse/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/restricted/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/universe/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring/multiverse/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/main/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/restricted/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/universe/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/multiverse/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/restricted/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/universe/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/multiverse/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/main/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/restricted/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/universe/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-updates/multiverse/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/main/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/restricted/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/universe/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/multiverse/source/Sources 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/restricted/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/universe/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/multiverse/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/main/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/restricted/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/universe/binary-i386/Packages 404 Not Found
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/raring-backports/multiverse/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
如何在我的系统上安装 vsftp？
答案1
应用 Mikewhatever 在如何安装软件或从不受支持的旧版本升级解决了该问题（该主题中的早期帖子没有解决）。