嵌入式linux開發環境搭建（五）――Ubuntu第三方軟件倉庫源 一般來說ubuntu官方的軟件倉庫由於服務器在國外，下載更新速度較慢，需要將軟件倉庫更換為國內鏡像點。
1、修改源配置文件
先備份原來的配置文件
mv /etc/apt/sources.list /etc/apt/sources.list.bak
vim /etc/apt/sources.list
將國內的Ubuntu鏡像點添加到配置文件
Ubuntu 163鏡像點：
debhttp://mirrors.163.com/ubuntu/ precise main restricted
deb-srchttp://mirrors.163.com/ubuntu/ precise main restricted
debhttp://mirrors.163.com/ubuntu/ precise-updates main restricted
deb-srchttp://mirrors.163.com/ubuntu/ precise-updates main restricted
debhttp://mirrors.163.com/ubuntu/ precise universe
deb-srchttp://mirrors.163.com/ubuntu/ precise universe
debhttp://mirrors.163.com/ubuntu/ precise-updates universe
deb-srchttp://mirrors.163.com/ubuntu/ precise-updates universe
debhttp://mirrors.163.com/ubuntu/ precise multiverse
deb-srchttp://mirrors.163.com/ubuntu/ precise multiverse
debhttp://mirrors.163.com/ubuntu/ precise-updates multiverse
deb-srchttp://mirrors.163.com/ubuntu/ precise-updates multiverse
debhttp://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
deb-srchttp://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
debhttp://mirrors.163.com/ubuntu/ precise-security main restricted
deb-srchttp://mirrors.163.com/ubuntu/ precise-security main restricted
debhttp://mirrors.163.com/ubuntu/ precise-security universe
deb-srchttp://mirrors.163.com/ubuntu/ precise-security universe
debhttp://mirrors.163.com/ubuntu/ precise-security multiverse
deb-srchttp://mirrors.163.com/ubuntu/ precise-security multiverse
debhttp://extras.ubuntu.com/ubuntu precise main
deb-srchttp://extras.ubuntu.com/ubuntu precise main
北京理工大學Ubuntu鏡像點：
debhttp://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe
debhttp://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe
debhttp://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe
debhttp://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe
debhttp://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe
deb-srchttp://mirror.bjtu.edu.cn/ubuntu/ precise main multiverse restricted universe
deb-srchttp://mirror.bjtu.edu.cn/ubuntu/ precise-backports main multiverse restricted universe
deb-srchttp://mirror.bjtu.edu.cn/ubuntu/ precise-proposed main multiverse restricted universe
deb-srchttp://mirror.bjtu.edu.cn/ubuntu/ precise-security main multiverse restricted universe
deb-srchttp://mirror.bjtu.edu.cn/ubuntu/ precise-updates main multiverse restricted universe
2、更新源
apt-get update
現在修改後的國內的ubuntu鏡像點就可以使用了。
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