在Ubuntu 14.04上进行错误的apt-get更新
当我尝试在Ubuntu 14.04机器上进行更新时，我注意到以下错误。 我记得上次我试过的时候工作正常。
sudo apt-get update Err http://extras.ubuntu.com trusty InRelease Err http://extras.ubuntu.com trusty Release.gpg Cannot initiate the connection to extras.ubuntu.com:80 (2001:67c:1360:8c01::23). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::23 80] Err http://us.archive.ubuntu.com trusty InRelease Err http://us.archive.ubuntu.com trusty-updates InRelease Err http://us.archive.ubuntu.com trusty-backports InRelease Err http://us.archive.ubuntu.com trusty-proposed InRelease Err http://us.archive.ubuntu.com trusty Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] Err http://us.archive.ubuntu.com trusty-updates Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] Err http://us.archive.ubuntu.com trusty-backports Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] Err http://us.archive.ubuntu.com trusty-proposed Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] Err http://security.ubuntu.com trusty-security InRelease Err http://security.ubuntu.com trusty-security Release.gpg Cannot initiate the connection to security.ubuntu.com:80 (2001:67c:1562::17). - connect (101: Network is unreachable) [IP: 2001:67c:1562::17 80] Reading package lists... Done W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/InRelease W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/InRelease W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/InRelease W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg Cannot initiate the connection to extras.ubuntu.com:80 (2001:67c:1360:8c01::23). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::23 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/Release.gpg Cannot initiate the connection to us.archive.ubuntu.com:80 (2001:67c:1562::15). - connect (101: Network is unreachable) [IP: 2001:67c:1562::15 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg Cannot initiate the connection to security.ubuntu.com:80 (2001:67c:1562::17). - connect (101: Network is unreachable) [IP: 2001:67c:1562::17 80] W: Some index files failed to download. They have been ignored, or old ones used instead. 有些人可以帮我解决这个问题！
@TungTran：在您建议的更改后，有一些进展，但仍然面临一些问题，如下所示：
sudo apt-get update Ign http://us.archive.ubuntu.com trusty InRelease Ign http://security.ubuntu.com trusty-security InRelease Ign http://extras.ubuntu.com trusty InRelease Ign http://security.ubuntu.com trusty-security Release.gpg Ign http://us.archive.ubuntu.com trusty-updates InRelease Ign http://extras.ubuntu.com trusty Release.gpg Ign http://security.ubuntu.com trusty-security Release Ign http://us.archive.ubuntu.com trusty-backports InRelease Ign http://extras.ubuntu.com trusty Release Ign http://us.archive.ubuntu.com trusty-proposed InRelease Ign http://us.archive.ubuntu.com trusty Release.gpg Ign http://us.archive.ubuntu.com trusty-updates Release.gpg Ign http://us.archive.ubuntu.com trusty-backports Release.gpg Ign http://us.archive.ubuntu.com trusty-proposed Release.gpg Ign http://us.archive.ubuntu.com trusty Release Ign http://us.archive.ubuntu.com trusty-updates Release Ign http://us.archive.ubuntu.com trusty-backports Release Ign http://us.archive.ubuntu.com trusty-proposed Release Err http://extras.ubuntu.com trusty/main Sources 404 Not Found [IP: 199.168.148.24 80] Err http://extras.ubuntu.com trusty/main i386 Packages 404 Not Found [IP: 199.168.148.24 80] Ign http://extras.ubuntu.com trusty/main Translation-en_US Ign http://extras.ubuntu.com trusty/main Translation-en Err http://security.ubuntu.com trusty-security/main Sources 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/restricted Sources 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/universe Sources 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/multiverse Sources 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/main i386 Packages 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/restricted i386 Packages 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/universe i386 Packages 404 Not Found [IP: 199.168.151.24 80] Err http://security.ubuntu.com trusty-security/multiverse i386 Packages 404 Not Found [IP: 199.168.151.24 80] Ign http://security.ubuntu.com trusty-security/main Translation-en_US Ign http://security.ubuntu.com trusty-security/main Translation-en Ign http://security.ubuntu.com trusty-security/multiverse Translation-en_US Ign http://security.ubuntu.com trusty-security/multiverse Translation-en Ign http://security.ubuntu.com trusty-security/restricted Translation-en_US Ign http://security.ubuntu.com trusty-security/restricted Translation-en Ign http://security.ubuntu.com trusty-security/universe Translation-en_US Ign http://security.ubuntu.com trusty-security/universe Translation-en Err http://us.archive.ubuntu.com trusty/main Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/restricted Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/universe Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/multiverse Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/main i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/restricted i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/universe i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty/multiverse i386 Packages 404 Not Found [IP: 199.168.148.24 80] Ign http://us.archive.ubuntu.com trusty/main Translation-en_US Ign http://us.archive.ubuntu.com trusty/main Translation-en Ign http://us.archive.ubuntu.com trusty/multiverse Translation-en_US Ign http://us.archive.ubuntu.com trusty/multiverse Translation-en Ign http://us.archive.ubuntu.com trusty/restricted Translation-en_US Ign http://us.archive.ubuntu.com trusty/restricted Translation-en Ign http://us.archive.ubuntu.com trusty/universe Translation-en_US Ign http://us.archive.ubuntu.com trusty/universe Translation-en Err http://us.archive.ubuntu.com trusty-updates/main Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/restricted Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/universe Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/multiverse Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/main i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/restricted i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/universe i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-updates/multiverse i386 Packages 404 Not Found [IP: 199.168.148.24 80] Ign http://us.archive.ubuntu.com trusty-updates/main Translation-en_US Ign http://us.archive.ubuntu.com trusty-updates/main Translation-en Ign http://us.archive.ubuntu.com trusty-updates/multiverse Translation-en_US Ign http://us.archive.ubuntu.com trusty-updates/multiverse Translation-en Ign http://us.archive.ubuntu.com trusty-updates/restricted Translation-en_US Ign http://us.archive.ubuntu.com trusty-updates/restricted Translation-en Ign http://us.archive.ubuntu.com trusty-updates/universe Translation-en_US Ign http://us.archive.ubuntu.com trusty-updates/universe Translation-en Err http://us.archive.ubuntu.com trusty-backports/main Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/restricted Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/universe Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/multiverse Sources 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/main i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/restricted i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/universe i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-backports/multiverse i386 Packages 404 Not Found [IP: 199.168.148.24 80] Ign http://us.archive.ubuntu.com trusty-backports/main Translation-en_US Ign http://us.archive.ubuntu.com trusty-backports/main Translation-en Ign http://us.archive.ubuntu.com trusty-backports/multiverse Translation-en_US Ign http://us.archive.ubuntu.com trusty-backports/multiverse Translation-en Ign http://us.archive.ubuntu.com trusty-backports/restricted Translation-en_US Ign http://us.archive.ubuntu.com trusty-backports/restricted Translation-en Ign http://us.archive.ubuntu.com trusty-backports/universe Translation-en_US Ign http://us.archive.ubuntu.com trusty-backports/universe Translation-en Err http://us.archive.ubuntu.com trusty-proposed/multiverse i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-proposed/main i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-proposed/universe i386 Packages 404 Not Found [IP: 199.168.148.24 80] Err http://us.archive.ubuntu.com trusty-proposed/restricted i386 Packages 404 Not Found [IP: 199.168.148.24 80] Ign http://us.archive.ubuntu.com trusty-proposed/main Translation-en_US Ign http://us.archive.ubuntu.com trusty-proposed/main Translation-en Ign http://us.archive.ubuntu.com trusty-proposed/multiverse Translation-en_US Ign http://us.archive.ubuntu.com trusty-proposed/multiverse Translation-en Ign http://us.archive.ubuntu.com trusty-proposed/restricted Translation-en_US Ign http://us.archive.ubuntu.com trusty-proposed/restricted Translation-en Ign http://us.archive.ubuntu.com trusty-proposed/universe Translation-en_US Ign http://us.archive.ubuntu.com trusty-proposed/universe Translation-en W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/source/Sources 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/source/Sources 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/source/Sources 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/source/Sources 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/binary-i386/Packages 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/binary-i386/Packages 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-i386/Packages 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/binary-i386/Packages 404 Not Found [IP: 199.168.151.24 80] W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/main/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/universe/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/restricted/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/universe/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/main/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/restricted/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/universe/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/source/Sources 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/main/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/restricted/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/universe/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/multiverse/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/main/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/universe/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-proposed/restricted/binary-i386/Packages 404 Not Found [IP: 199.168.148.24 80] E: Some index files failed to download. They have been ignored, or old ones used instead.
这是我的sources.list的内容
cat /etc/apt/sources.list # deb cdrom:[Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta i386 (20150805)]/ trusty main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://us.archive.ubuntu.com/ubuntu/ trusty main restricted deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted ## NB software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://us.archive.ubuntu.com/ubuntu/ trusty universe deb-src http://us.archive.ubuntu.com/ubuntu/ trusty universe deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates universe ## NB software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://us.archive.ubuntu.com/ubuntu/ trusty multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ trusty multiverse deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates multiverse ## NB software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse deb http://security.ubuntu.com/ubuntu trusty-security main restricted deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted deb http://security.ubuntu.com/ubuntu trusty-security universe deb-src http://security.ubuntu.com/ubuntu trusty-security universe deb http://security.ubuntu.com/ubuntu trusty-security multiverse deb-src http://security.ubuntu.com/ubuntu trusty-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. # deb http://archive.canonical.com/ubuntu trusty partner # deb-src http://archive.canonical.com/ubuntu trusty partner ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. deb http://extras.ubuntu.com/ubuntu trusty main deb http://us.archive.ubuntu.com/ubuntu/ trusty-proposed multiverse main universe restricted deb-src http://extras.ubuntu.com/ubuntu trusty main
创建/etc/apt/apt.conf以添加APT的代理配置。
sudo nano /etc/apt/apt.conf
将此行添加到/etc/apt/apt.conf文件中
Acquire::http::Proxy "http://proxyaddress:proxyport";
使用Ctrl + X ， Y保存并重试：
sudo apt-get update