Debian系统在文件开始处加入以下代码:
deb http://mirrors.oss.org.cn/debian stable main contrib non-free
deb-src http://mirrors.oss.org.cn/debian stable main contrib non-free
Ubuntu系统在文件开始处加入以下代码:
deb http://mirrors.oss.org.cn/ubuntu/ dapper main restricted universe multiverse
deb-src http://mirrors.oss.org.cn/ubuntu/ dapper main restricted universe multiverse