1.sudo cp /etc/apt/sources.list  /etc/apt/source.list.bk

sudo gedit /etc/apt/sources.list

 编辑你的源列表，将原来的内容全部删除，添加下面列表中最适合你的源

2.sudo apt-get update更新源列表信息

“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

 或者用ubuntu自带的更新管理器升级也可

 


1.台湾


deb http://tw.archive.ubuntu.com/ubuntu/ lucid main universe restricted multiverse

deb-src http://tw.archive.ubuntu.com/ubuntu/ lucid main universe restricted multiverse

deb http://tw.archive.ubuntu.com/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://tw.archive.ubuntu.com/ubuntu/ lucid-security universe main multiverse restricted

deb http://tw.archive.ubuntu.com/ubuntu/ lucid-updates universe main multiverse restricted

deb-src http://tw.archive.ubuntu.com/ubuntu/ lucid-updates universe main multiverse restricted

2.网易

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

SRT Sources

SRT Sources
代码:
deb http://ubuntu.srt.cn/ubuntu/ lucid main restricted universe multiverse

deb http://ubuntu.srt.cn/ubuntu/ lucid-security main restricted universe multiverse

deb http://ubuntu.srt.cn/ubuntu/ lucid-updates main restricted universe multiverse

deb http://ubuntu.srt.cn/ubuntu/ lucid-proposed main restricted universe multiverse

deb http://ubuntu.srt.cn/ubuntu/ lucid-backports main restricted universe multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid main restricted universe multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-security main restricted universe multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-updates main restricted universe multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-proposed main restricted universe multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-backports main restricted universe multiverse

 

ubuntu官方上海源

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

 

5.搜狐

deb http://mirrors.shlug.org/ubuntu/ lucid main universe restricted multiverse

deb-src http://mirrors.shlug.org/ubuntu/ lucid main universe restricted multiverse

deb http://mirrors.shlug.org/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://mirrors.shlug.org/ubuntu/ lucid-security universe main multiverse restricted

deb http://mirrors.shlug.org/ubuntu/ lucid-updates universe main multiverse restricted

deb http://mirrors.shlug.org/ubuntu/ lucid-proposed universe main multiverse restricted

deb-src http://mirrors.shlug.org/ubuntu/ lucid-proposed universe main multiverse restricted

deb http://mirrors.shlug.org/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.shlug.org/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://mirrors.shlug.org/ubuntu/ lucid-updates universe main multiverse restricted

 

骨头源，骨头源是bones7456架设的一个Ubuntu源 ，提供ubuntu,deepin

deb http://ubuntu.srt.cn/ubuntu/ lucid main universe restricted multiverse

deb-src http://ubuntu.srt.cn/ubuntu/ lucid main universe restricted multiverse

deb http://ubuntu.srt.cn/ubuntu/ lucid-security universe main multiverse restricted

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-security universe main multiverse restricted

deb http://ubuntu.srt.cn/ubuntu/ lucid-updates universe main multiverse restricted

deb http://ubuntu.srt.cn/ubuntu/ lucid-proposed universe main multiverse restricted

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-proposed universe main multiverse restricted

deb http://ubuntu.srt.cn/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-backports universe main multiverse restricted

deb-src http://ubuntu.srt.cn/ubuntu/ lucid-updates universe main multiverse restricted