问题已经解决,谢谢!
解决方法。。。。
这是原文:
Ubuntu Linux换源方法。。让你的下载快一点
在终端下输入
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup
/* 备份旧的源到/etc/apt/sources.list.backup */
sudo gedit /etc/apt/sources.list
/* 用gedit编辑sources.list,gedit可以换成vim等其它编辑器 */
选择sources.list里面的全部内容,删除。。
将一下两行###之间的内容复制进去
#################################################################
deb
http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/ gutsy main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/ gutsy-security main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/ gutsy-updates main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/ gutsy-proposed main restricted universe multiverse
deb-src
http://ubuntu.cn99.com/ubuntu/ gutsy-backports main restricted universe multiverse
deb
http://ubuntu.cn99.com/ubuntu-cn/ gutsy main restricted universe multiverse
deb
http://archive.ubuntu.org.cn/ubuntu-cn/ gutsy main restricted universe multiverse
###########################################################################
保存退出gedit
终端下运行
sudo apt-get update
进行下更新
完事。。