配置文件：

vim /etc/apt/souces.list

deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse

deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse

deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted