可能重复：
我怎样才能使用靠近我的镜像，或者选择更快的镜像？
我有 Ubuntu 12.04 unity，当我尝试执行操作时，sudo apt-get update它无法连接，archive.ubuntu.com也无法通过浏览器连接，这是我在终端中得到的结果：
moqane@home:~$ sudo apt-get update
[sudo] password for moqane:
Ign http://security.ubuntu.com precise-security InRelease
Ign http://extras.ubuntu.com precise InRelease
Hit http://security.ubuntu.com precise-security Release.gpg
Hit http://extras.ubuntu.com precise Release.gpg
Hit http://security.ubuntu.com precise-security Release
Hit http://extras.ubuntu.com precise Release
Hit http://security.ubuntu.com precise-security/main Sources
Hit http://extras.ubuntu.com precise/main Sources
Hit http://security.ubuntu.com precise-security/restricted Sources
Hit http://security.ubuntu.com precise-security/universe Sources
Hit http://security.ubuntu.com precise-security/multiverse Sources
Hit http://security.ubuntu.com precise-security/main i386 Packages
Hit http://security.ubuntu.com precise-security/restricted i386 Packages
Hit http://extras.ubuntu.com precise/main i386 Packages
Ign http://extras.ubuntu.com precise/main TranslationIndex
Hit http://security.ubuntu.com precise-security/universe i386 Packages
Hit http://security.ubuntu.com precise-security/multiverse i386 Packages
Hit http://security.ubuntu.com precise-security/main TranslationIndex
Hit http://security.ubuntu.com precise-security/multiverse TranslationIndex
Hit http://security.ubuntu.com precise-security/restricted TranslationIndex
Hit http://security.ubuntu.com precise-security/universe TranslationIndex
Hit http://security.ubuntu.com precise-security/main Translation-en
Hit http://security.ubuntu.com precise-security/multiverse Translation-en
Hit http://security.ubuntu.com precise-security/restricted Translation-en
Hit http://security.ubuntu.com precise-security/universe Translation-en
Ign http://extras.ubuntu.com precise/main Translation-en_US
Ign http://extras.ubuntu.com precise/main Translation-en
Ign http://archive.ubuntu.com precise InRelease
Ign http://archive.ubuntu.com precise-updates InRelease
Ign http://archive.ubuntu.com precise-backports InRelease
88% [Connecting to archive.ubuntu.com]
我认为有些地方出了问题，该网站仅对我而言瘫痪了，如果您有任何想法，请随时提供帮助......
谢谢。
答案1
这里有 7 个步骤的包管理器故障排除程序Ubuntu 文档 看一下，如果有效的话告诉我。