ubuntu15.04更新软件源

1，首先备份原来的源 sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
2，编辑软件源的文件 sudo vim /etc/apt/sources.list把下列源添加到后面
3，刷新源：sudo apt-get update
   更新 ：sudo update-manager -c -d

#搜狐源
deb http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://mirrors.sohu.com/ubuntu/ vivid-backports main restricted universe multiverse

#阿里云源
deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse

#网易源
deb http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ vivid-backports main restricted universe multiverse

#闭源
deb http://archive.canonical.com/ubuntu/ vivid partner
deb http://extras.ubuntu.com/ubuntu/ vivid main

原文：http://www.cnblogs.com/codeblock/p/4747428.html