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

2.sudo apt-get update 更新源列表信息

3.sudo apt-get upgrade 升 级或者用ubuntu自带的更新管理器升级也可

Ubuntu 10.04源列表：

网易（速度很快）

复制代码代码如下:

搜狐

复制代码代码如下:

SRT Sources

复制代码代码如下:

ubuntu官方上海源

复制代码代码如下:

deb http://mirror.rootguide.org/ubuntu/ lucid main universe restricted multiverse

deb-src http://mirror.rootguide.org/ubuntu/ lucid main universe restricted multiverse

deb http://mirror.rootguide.org/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://mirror.rootguide.org/ubuntu/ lucid-security universe main multiverse restricted

deb http://mirror.rootguide.org/ubuntu/ lucid-updates universe main multiverse restricted

deb http://mirror.rootguide.org/ubuntu/ lucid-proposed universe main multiverse restricted

deb-src http://mirror.rootguide.org/ubuntu/ lucid-proposed universe main multiverse restricted

deb http://mirror.rootguide.org/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirror.rootguide.org/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirror.rootguide.org/ubuntu/ lucid-updates universe main multiverse restricted