$ sudo apt-get update
Hit http://ppa.launchpad.net trusty InRelease
Ign http://ppa.launchpad.net trusty InRelease
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://repository.spotify.com stable InRelease
Hit http://ppa.launchpad.net trusty/main Translation-en
Hit http://repository.spotify.com stable/non-free amd64 Packages
Hit http://ppa.launchpad.net trusty Release.gpg
Hit http://ppa.launchpad.net trusty Release
Hit http://repository.spotify.com stable/non-free i386 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Ign http://ppa.launchpad.net trusty/main Translation-en_US
Ign http://ppa.launchpad.net trusty/main Translation-en
Ign http://repository.spotify.com stable/non-free Translation-en_US
Ign http://repository.spotify.com stable/non-free Translation-en
Ign http://extras.ubuntu.com trusty InRelease
Hit http://extras.ubuntu.com trusty Release.gpg
Hit http://extras.ubuntu.com trusty Release
Hit http://extras.ubuntu.com trusty/main Sources
Hit http://extras.ubuntu.com trusty/main amd64 Packages
Hit http://extras.ubuntu.com trusty/main i386 Packages
Ign http://extras.ubuntu.com trusty/main Translation-en_US
Ign http://extras.ubuntu.com trusty/main Translation-en
100% [Connecting to us.archive.ubuntu.com (2001:67c:1562::16)] [Connecting to s
它总是在那一行停止更新，并会停留在那一行几个小时。我也无法从 Ubuntu 下载新软件。
我应该怎么办？
答案1
看起来你的源文件可能已损坏。
打开终端并输入
此命令将删除您的 sources.list
sudo rm /etc/apt/sources.list
现在sources.list通过打开终端并输入来重新生成
sudo software-properties-gtk
勾选所有软件源，然后单击“关闭”。
然后尝试运行
sudo apt-get update