- 上海交通大學更新伺服器（教育網千兆接入，聯通/電信線路情況不詳），包含其他開源映象：
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