每当我尝试使用此代码安装任何应用程序时
$ sudo apt-get install <package>
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package vlc
我按照安装 universe、multiverse 等存储库的说明操作。当我尝试使用此代码更新它时
sudo apt-get update
它给出了类似的错误
$ sudo apt-get update
[sudo] password for palash:
Sorry, try again.
[sudo] password for palash:
Ign http://extras.ubuntu.com utopic InRelease
Hit http://extras.ubuntu.com utopic Release.gpg
Hit http://extras.ubuntu.com utopic Release
Ign http://us.archive.ubuntu.com utopic InRelease
Hit http://extras.ubuntu.com utopic/main Sources
Hit http://extras.ubuntu.com utopic/main amd64 Packages
Ign http://us.archive.ubuntu.com utopic-updates InRelease
Hit http://extras.ubuntu.com utopic/main i386 Packages
Ign http://us.archive.ubuntu.com utopic-backports InRelease
Ign http://us.archive.ubuntu.com utopic-security InRelease
Ign http://us.archive.ubuntu.com utopic Release.gpg
Ign http://us.archive.ubuntu.com utopic-updates Release.gpg
Ign http://us.archive.ubuntu.com utopic-backports Release.gpg
Ign http://us.archive.ubuntu.com utopic-security Release.gpg
Ign http://us.archive.ubuntu.com utopic Release
Ign http://us.archive.ubuntu.com utopic-updates Release
Ign http://extras.ubuntu.com utopic/main Translation-en_US
Ign http://extras.ubuntu.com utopic/main Translation-en
Ign http://us.archive.ubuntu.com utopic-backports Release
Ign http://us.archive.ubuntu.com utopic-security Release
Err http://us.archive.ubuntu.com utopic/main Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/restricted Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/universe Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/multiverse Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/main amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/restricted amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/universe amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/multiverse amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/main i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/restricted i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/universe i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/multiverse i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/main Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/main Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/multiverse Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/multiverse Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/restricted Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/restricted Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/universe Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic/universe Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/main Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/restricted Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/universe Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/multiverse Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/main amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/restricted amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/universe amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/multiverse amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/main i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/restricted i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/universe i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/multiverse i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/main Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/main Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/multiverse Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/multiverse Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/restricted Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/restricted Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/universe Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-updates/universe Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/main Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/restricted Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/universe Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/multiverse Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/main amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/restricted amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/universe amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/multiverse amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/main i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/restricted i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/universe i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/multiverse i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/main Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/main Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/multiverse Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/multiverse Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/restricted Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/restricted Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/universe Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-backports/universe Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/main Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/restricted Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/universe Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/multiverse Sources
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/main amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/restricted amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/universe amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/multiverse amd64 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/main i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/restricted i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/universe i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/multiverse i386 Packages
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/main Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/main Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/multiverse Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/multiverse Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/restricted Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/restricted Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/universe Translation-en_US
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
Err http://us.archive.ubuntu.com utopic-security/universe Translation-en
Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/main/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/restricted/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/universe/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/multiverse/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/main/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/restricted/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/universe/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/multiverse/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/main/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/restricted/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/universe/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/multiverse/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/main/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/main/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/multiverse/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/multiverse/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/restricted/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/restricted/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/universe/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic/universe/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/main/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/restricted/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/universe/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/multiverse/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/main/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/restricted/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/universe/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/multiverse/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/main/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/restricted/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/universe/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/multiverse/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/main/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/main/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/multiverse/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/multiverse/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/restricted/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/restricted/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/universe/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-updates/universe/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/main/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/restricted/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/universe/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/multiverse/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/main/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/restricted/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/universe/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/multiverse/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/main/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/restricted/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/universe/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/multiverse/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/main/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/main/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/multiverse/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/multiverse/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/restricted/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/restricted/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/universe/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-backports/universe/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/main/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/restricted/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/universe/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/multiverse/source/Sources Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/main/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/restricted/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/universe/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/multiverse/binary-amd64/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/main/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/restricted/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/universe/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/multiverse/binary-i386/Packages Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/main/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/main/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/multiverse/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/multiverse/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/restricted/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/restricted/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/universe/i18n/Translation-en_US Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/utopic-security/universe/i18n/Translation-en Unable to connect to us.archive.ubuntu.com:http: [IP: 2001:67c:1562::16 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
我现在能做什么？
答案1
Utopic Unicorn 于 2015 年 7 月 23 日停产
您需要全新安装。
它不是一个 LTS（长期支持）14.04 是一个仍然存在的 LTS，而 16.04 是一个 LTS。