轉自:點擊打開鏈接
sudo gedit /etc/apt/sources.list deb http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-backports main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-proposed main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-security main multiverse restricted universe deb-src http://debian.ustc.edu.cn/ubuntu/ vivid-updates main multiverse restricted universe