每当我编写 sudo apt-get update 时，它都无法正常工作并显示以下内容：
tusharmakkar08@tusharmakkar08-Satellite-C660 ~ $ sudo apt-get update Ign http://archive.ubuntu.com nadia Release.gpg Ign http://packages.medibuntu.org nadia Release.gpg Ign http://archive.canonical.com nadia Release.gpg 获取：1 http://packages.linuxmint.com nadia Release.gpg [197 B] Ign http://security.ubuntu.com nadia-security Release.gpg 点击 http://dl.google.com stable Release.gpg 点击 http://ppa.launchpad.net Quantal Release.gpg Ign http://archive.ubuntu.com nadia-updates Release.gpg 点击 http://archive.canonical.com Quantal Release.gpg 获取：2 http://packages.linuxmint.com nadia 版本 [17.6 kB] 获取：3 http://security.ubuntu.com quantal-security Release.gpg [933 B] 点击 http://dl.google.com stable Release.gpg 点击 http://ppa.launchpad.net Quantal Release 点击 http://packages.medibuntu.org Quantal Release.gpg 点击 http://archive.ubuntu.com Quantal Release.gpg Ign http://archive.canonical.com nadia 发布 Ign http://security.ubuntu.com nadia-security 版本 点击 http://dl.google.com 稳定版本 点击 http://ppa.launchpad.net quantal/main 来源 点击 http://archive.canonical.com Quantal 发布 获取：4 http://security.ubuntu.com Quantal-security 版本 [49.6 kB] 点击 http://dl.google.com 稳定版本 获取：5 http://archive.ubuntu.com quantal-updates Release.gpg [933 B] 点击 http://ppa.launchpad.net quantal/main i386 包 Ign http://packages.medibuntu.org nadia 发布 获取：6 http://packages.linuxmint.com nadia/main i386 软件包 [22.6 kB] 点击 http://dl.google.com stable/main i386 Packages 点击 http://packages.medibuntu.org Quantal 发布 获取：7 http://packages.linuxmint.com nadia/upstream i386 软件包 [11.3 kB] 点击 http://archive.canonical.com quantal/partner i386 软件包 获取：8 http://packages.linuxmint.com nadia/import i386 软件包 [44.0 kB] 点击 http://dl.google.com stable/main i386 Packages Ign http://archive.ubuntu.com nadia 发布 Ign http://archive.ubuntu.com nadia-updates 发布 点击 http://archive.ubuntu.com Quantal Release 获取：9 http://archive.ubuntu.com Quantal-updates 版本 [49.6 kB] Ign http://ppa.launchpad.net quantal/main Translation-en_IN Ign http://ppa.launchpad.net quantal/main Translation-en 获取：10 http://security.ubuntu.com quantal-security/main i386 软件包 [104 kB] 点击 http://packages.medibuntu.org quantal/free i386 Packages 点击 http://packages.medibuntu.org quantal/non-free i386 Packages Ign http://dl.google.com stable/main Translation-en_IN 错误 http://archive.canonical.com nadia/partner i386 软件包 404 未找到 [IP: 91.189.92.191 80] Ign http://dl.google.com stable/main Translation-en Ign http://archive.canonical.com nadia/partner Translation-en_IN Ign http://dl.google.com stable/main Translation-en_IN Ign http://archive.canonical.com nadia/partner Translation-en Ign http://dl.google.com stable/main Translation-en Ign http://archive.canonical.com quantal/partner Translation-en_IN 获取：11 http://security.ubuntu.com quantal-security/restricted i386 软件包 [3,531 B] Ign http://archive.canonical.com quantal/partner Translation-en 获取：12 http://security.ubuntu.com quantal-security/universe i386 软件包 [45.8 kB] 获取：13 http://security.ubuntu.com quantal-security/multiverse i386 软件包 [1,402 B] 点击 http://security.ubuntu.com Quantal-security/main 翻译-en 点击 http://security.ubuntu.com quantal-security/multiverse Translation-en 点击 http://archive.ubuntu.com quantal/main i386 软件包 Ign http://packages.linuxmint.com nadia/import Translation-en_IN 点击 http://archive.ubuntu.com quantal/restricted i386 Packages 点击 http://security.ubuntu.com quantal-security/restricted 翻译-en 点击 http://archive.ubuntu.com quantal/universe i386 软件包 点击 http://archive.ubuntu.com quantal/multiverse i386 软件包 Ign http://packages.linuxmint.com nadia/import 翻译-en 点击 http://security.ubuntu.com Quantal-security/universe 翻译-en Ign http://packages.linuxmint.com nadia/main Translation-en_IN 点击 http://archive.ubuntu.com Quantal/main 翻译-en Ign http://packages.linuxmint.com nadia/main Translation-en Ign http://packages.linuxmint.com nadia/upstream Translation-en_IN 点击 http://archive.ubuntu.com quantal/multiverse Translation-en Ign http://packages.linuxmint.com nadia/upstream Translation-en 点击 http://archive.ubuntu.com quantal/restricted 翻译-en 点击 http://archive.ubuntu.com quantal/universe 翻译-en 获取：14 http://archive.ubuntu.com quantal-updates/main i386 软件包 [225 kB] 获取：15 http://archive.ubuntu.com quantal-updates/restricted i386 软件包 [4,841 B] 获取：16 http://archive.ubuntu.com quantal-updates/universe i386 软件包 [179 kB] 获取：17 http://archive.ubuntu.com quantal-updates/multiverse i386 软件包 [10.8 kB] 点击 http://archive.ubuntu.com quantal-updates/main Translation-en 点击 http://archive.ubuntu.com quantal-updates/multiverse Translation-en 点击 http://archive.ubuntu.com quantal-updates/restricted Translation-en 点击 http://archive.ubuntu.com quantal-updates/universe Translation-en 错误 http://packages.medibuntu.org nadia/free i386 软件包 404 未找到 错误 http://packages.medibuntu.org nadia/non-free i386 软件包 404 未找到 错误 http://security.ubuntu.com nadia-security/main i386 软件包 404 未找到 [IP: 91.189.92.200 80] Ign http://packages.medibuntu.org nadia/free Translation-en_IN 错误 http://security.ubuntu.com nadia-security/restricted i386 软件包 404 未找到 [IP: 91.189.92.200 80] 错误 http://security.ubuntu.com nadia-security/universe i386 软件包 404 未找到 [IP: 91.189.92.200 80] Ign http://packages.medibuntu.org nadia/free Translation-en 错误 http://security.ubuntu.com nadia-security/multiverse i386 软件包 404 未找到 [IP: 91.189.92.200 80] Ign http://security.ubuntu.com nadia-security/main Translation-en_IN Ign http://packages.medibuntu.org nadia/non-free Translation-en_IN Ign http://security.ubuntu.com nadia-security/main 翻译-en Ign http://security.ubuntu.com nadia-security/multiverse Translation-en_IN Ign http://packages.medibuntu.org nadia/non-free Translation-en Ign http://security.ubuntu.com nadia-security/multiverse Translation-en Ign http://security.ubuntu.com nadia-security/restricted Translation-en_IN Ign http://packages.medibuntu.org quantal/free Translation-en_IN Ign http://security.ubuntu.com nadia-security/restricted 翻译-en Ign http://security.ubuntu.com nadia-security/universe Translation-en_IN Ign http://security.ubuntu.com nadia-security/universe Translation-en Ign http://security.ubuntu.com quantal-security/main Translation-en_IN Ign http://security.ubuntu.com quantal-security/multiverse Translation-en_IN Ign http://security.ubuntu.com quantal-security/restricted Translation-en_IN Ign http://security.ubuntu.com quantal-security/universe Translation-en_IN Ign http://packages.medibuntu.org quantal/free Translation-en Ign http://packages.medibuntu.org quantal/non-free Translation-en_IN Ign http://packages.medibuntu.org quantal/non-free Translation-en 错误 http://archive.ubuntu.com nadia/main i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia/restricted i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia/universe i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia/multiverse i386 软件包 404 未找到 [IP: 91.189.92.202 80] Ign http://archive.ubuntu.com nadia/main Translation-en_IN Ign http://archive.ubuntu.com nadia/main Translation-en Ign http://archive.ubuntu.com nadia/multiverse Translation-en_IN Ign http://archive.ubuntu.com nadia/multiverse Translation-en Ign http://archive.ubuntu.com nadia/restricted Translation-en_IN Ign http://archive.ubuntu.com nadia/restricted Translation-en Ign http://archive.ubuntu.com nadia/universe Translation-en_IN Ign http://archive.ubuntu.com nadia/universe Translation-en 错误 http://archive.ubuntu.com nadia-updates/main i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia-updates/restricted i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia-updates/universe i386 软件包 404 未找到 [IP: 91.189.92.202 80] 错误 http://archive.ubuntu.com nadia-updates/multiverse i386 软件包 404 未找到 [IP: 91.189.92.202 80] Ign http://archive.ubuntu.com nadia-updates/main Translation-en_IN Ign http://archive.ubuntu.com nadia-updates/main Translation-en Ign http://archive.ubuntu.com nadia-updates/multiverse Translation-en_IN Ign http://archive.ubuntu.com nadia-updates/multiverse Translation-en Ign http://archive.ubuntu.com nadia-updates/restricted Translation-en_IN Ign http://archive.ubuntu.com nadia-updates/restricted Translation-en Ign http://archive.ubuntu.com nadia-updates/universe Translation-en_IN Ign http://archive.ubuntu.com nadia-updates/universe Translation-en Ign http://archive.ubuntu.com quantal/main Translation-en_IN Ign http://archive.ubuntu.com quantal/multiverse Translation-en_IN Ign http://archive.ubuntu.com quantal/restricted Translation-en_IN Ign http://archive.ubuntu.com quantal/universe Translation-en_IN Ign http://archive.ubuntu.com quantal-updates/main Translation-en_IN Ign http://archive.ubuntu.com quantal-updates/multiverse Translation-en_IN Ign http://archive.ubuntu.com quantal-updates/restricted Translation-en_IN Ign http://archive.ubuntu.com quantal-updates/universe Translation-en_IN 在 1 分 19 秒内获取 771 kB (9,715 B/s) W：无法获取http://archive.canonical.com/ubuntu/dists/nadia/partner/binary-i386/Packages 404 Not Found [IP: 91.189.92.191 80] W：无法获取http://security.ubuntu.com/ubuntu/dists/nadia-security/main/binary-i386/Packages 404未找到[IP：91.189.92.200 80] W：无法获取http://security.ubuntu.com/ubuntu/dists/nadia-security/restricted/binary-i386/Packages 404未找到[IP：91.189.92.200 80] W：无法获取http://security.ubuntu.com/ubuntu/dists/nadia-security/universe/binary-i386/Packages 404未找到[IP：91.189.92.200 80] W：无法获取http://security.ubuntu.com/ubuntu/dists/nadia-security/multiverse/binary-i386/Packages 404未找到[IP：91.189.92.200 80] W：无法获取http://packages.medibuntu.org/dists/nadia/free/binary-i386/Packages 404 Not Found W：无法获取http://packages.medibuntu.org/dists/nadia/non-free/binary-i386/Packages 404 Not Found W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia/main/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取 http://archive.ubuntu.com/ubuntu/dists/nadia/restricted/binary-i386/Packages 404 未找到 [IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia/universe/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia/multiverse/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia-updates/main/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia-updates/restricted/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia-updates/universe/binary-i386/Packages 404未找到[IP：91.189.92.202 80] W：无法获取http://archive.ubuntu.com/ubuntu/dists/nadia-updates/multiverse/binary-i386/Packages 404未找到[IP：91.189.92.202 80] E: 部分索引文件下载失败。它们已被忽略，或使用旧的。
我的 Sources.list 看起来像：
deb http://packages.linuxmint.com/ nadia 主要上游导入 deb http://archive.ubuntu.com/ubuntu/ nadia 主要受限宇宙多元宇宙 deb http://archive.ubuntu.com/ubuntu/ nadia-updates 主要受限宇宙多元宇宙 deb http://security.ubuntu.com/ubuntu/ nadia-security 主要受限宇宙多元宇宙 deb http://archive.canonical.com/ubuntu/ nadia 合作伙伴 deb http://packages.medibuntu.org/ nadia 免费 非免费 # deb http://archive.getdeb.net/ubuntu Quantal-getdeb 应用程序 # deb http://archive.getdeb.net/ubuntu Quantal-getdeb 游戏 deb http://archive.ubuntu.com/ubuntu/ 量子主受限宇宙多元宇宙 deb http://archive.ubuntu.com/ubuntu/ Quantal-updates 主要受限宇宙多元宇宙 deb http://security.ubuntu.com/ubuntu/ Quantal-security 主要受限宇宙多元宇宙 deb http://archive.canonical.com/ubuntu/ 量子合作伙伴 deb http://packages.medibuntu.org/ Quantal 免费 非免费 # deb http://archive.getdeb.net/ubuntu Quantal-getdeb 应用程序 # deb http://archive.getdeb.net/ubuntu Quantal-getdeb 游戏
答案1
nadia仅适用于 LinuxMint。改成quantal。
例如：
deb http://archive.canonical.com/ubuntu/ nadia partner
# to
deb http://archive.canonical.com/ubuntu/ quantal partner
保留nadia用于：
deb http://packages.linuxmint.com
然后
sudo apt-get update
文件：
ls -la /etc/apt/sources.list.d/*
查看：
inxi -r