ubuntu 11 修改软件更新源

1.sudo gedit /etc/apt/sources.list

编辑你的源列表，将原来的内容全部删除，添加下面列表

deb http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse

deb-src http://mirrors.163.com/ubuntu/ lucid main universe restricted multiverse

deb http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-security universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-proposed universe main multiverse restricted

deb http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.163.com/ubuntu/ lucid-updates universe main multiverse restricted

更多源列表  http://wiki.ubuntu.org.cn/index.php?title=%E6%BA%90%E5%88%97%E8%A1%A8&variant=zh-cn

2.sudo apt-get update 更新源列表信息

可以在运行“sudo apt-get update”时查看一下错误信息，把不能连接的源删除再重新运行“sudo apt-get update”。

3.sudo apt-get upgrade 升级

这样以后进行软件安装时速度就会快很多啦。。。