sudo nautilus
打开etc/apt/sources.list 用右键-文本编辑器打开
清空里面的内容,添加以下任意一组源:
9.04一直试用一下的源更新
速度感觉还可以………………
#传说中的中国科技大学 5M/s
deb
http://debian.ustc.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb
http://debian.ustc.edu.cn/ubuntu/ jaunty-backports restricted universe multiverse
deb
http://debian.ustc.edu.cn/ubuntu/ jaunty-proposed main restricted universe multiverse
deb
http://debian.ustc.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
deb
http://debian.ustc.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
deb-src
http://debian.ustc.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb-src
http://debian.ustc.edu.cn/ubuntu/ jaunty-backports main restricted universe multiverse
deb-src
http://debian.ustc.edu.cn/ubuntu/ jaunty-proposed main restricted universe multiverse
deb-src
http://debian.ustc.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
deb-src
http://debian.ustc.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
#传说中的北京交大 速度 2M/s
deb
http://mirror.bjtu.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-backports restricted universe multiverse
deb
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-proposed main restricted universe multiverse
deb
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
deb
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
deb-src
http://mirror.bjtu.edu.cn/ubuntu/ jaunty main restricted universe multiverse
deb-src
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-backports main restricted universe multiverse
deb-src
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-proposed main restricted universe multiverse
deb-src
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-security main restricted universe multiverse
deb-src
http://mirror.bjtu.edu.cn/ubuntu/ jaunty-updates main restricted universe multiverse
#传说中的上海交通大学,最热门的源之一
deb
http://ftp.sjtu.edu.cn/ubuntu/ jaunty main multiverse restricted universe
deb
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-backports main multiverse restricted universe
deb
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-proposed main multiverse restricted universe
deb
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-security main multiverse restricted universe
deb
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-updates main multiverse restricted universe
deb
http://ftp.sjtu.edu.cn/ubuntu-cn/ jaunty main multiverse restricted universe
deb-src
http://ftp.sjtu.edu.cn/ubuntu/ jaunty main multiverse restricted universe
deb-src
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-backports main multiverse restricted universe
deb-src
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-proposed main multiverse restricted universe
deb-src
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-security main multiverse restricted universe
deb-src
http://ftp.sjtu.edu.cn/ubuntu/ jaunty-updates main multiverse restricted universe
保存。再运行 更新管理器即可。