- 上海交通大学更新服务器（教育网千兆接入，联通/电信线路情况不详），包含其他开源镜像：
deb http://ftp.sjtu.edu.cn/ubuntu/ quantal main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ quantal-security main multiverse restricted universe deb http://ftp.sjtu.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ quantal main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ quantal-backports main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ quantal-proposed main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ quantal-security main multiverse restricted universe deb-src http://ftp.sjtu.edu.cn/ubuntu/ quantal-updates main multiverse restricted universe