“无法连接到 80.112.143.217:80”，为什么？
安装从 ubuntu.com 下载的 ubuntu 14.04 的新副本后，我尝试安装一些软件包，无论是 nodejs 还是 apache2，它总是说找不到名称。我搜索了一下，在这里找到了一些答案
http://ubuntuforums.org/showthread.php?t=2204637
http://ubuntuforums.org/showthread.php?t=2225203
但没有解决方案对我有用。我已经启用了所有来源 -
此外，尝试了sudo apt-get update很多次但它返回
像这样的一些输出说无法下载或找到包或类似的东西 -
Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty/universe Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Sources
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main i386 Packages
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Translation-en_IN
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Translation-en
Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty/main Sources
Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-proposed/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/thefanclub/ubuntu-after-install/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-i386/Packages Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/main/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en_IN Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/restricted/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/universe/source/Sources Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/source/Sources Unable to connect to 80.112.143.217:80:
sudo: unable to resolve host unknown-GG003AA-ACJ-SR5160IL
Err http://in.archive.ubuntu.com trusty InRelease
Err http://in.archive.ubuntu.com trusty-updates InRelease
Err http://in.archive.ubuntu.com trusty-backports InRelease
Err http://in.archive.ubuntu.com trusty-proposed InRelease
Err http://ppa.launchpad.net trusty InRelease
Err http://ppa.launchpad.net trusty InRelease
Err http://ppa.launchpad.net trusty InRelease
Err http://ppa.launchpad.net trusty InRelease
Err http://dl.google.com stable InRelease
Err http://ppa.launchpad.net trusty Release.gpg
Unable to connect to 80.112.143.217:80:
Err http://archive.ubuntu.com trusty InRelease
Err http://security.ubuntu.com trusty-security InRelease
Err http://archive.ubuntu.com trusty Release.gpg
Unable to connect to 80.112.143.217:80:
Err http://security.ubuntu.com trusty-security Release.gpg
Unable to connect to 80.112.143.217:80:
Err http://archive.canonical.com trusty InRelease
Err http://archive.canonical.com trusty Release.gpg
Unable to connect to 80.112.143.217:80:
Err http://extras.ubuntu.com trusty InRelease
Err http://extras.ubuntu.com trusty Release.gpg
Unable to connect to 80.112.143.217:80:
Reading package lists... Done
W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/InRelease
W: Failed to fetch http://ppa.launchpad.net/thefanclub/ubuntu-after-install/ubuntu/dists/trusty/InRelease
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-proposed/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/Release.gpg Unable to connect to 80.112.143.217:80
由于在每个与提供 Ubuntu 软件包的服务器的暂定连接中都出现具有相同 IP 地址的错误，我认为您已经使用 IP 80.112.143.217 和端口 80 配置了 Web 代理。
在 Google 中的快速搜索向我显示该 IP 确实与公共网络代理相关联。
目前它没有响应任何查询，所以我现在可能没有运行。尝试删除代理设置：System settings-> Network-> Network proxy。删除代理地址或将其更改为有效的代理地址，然后单击Apply system wide。
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