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想要提高下载速度（达到自己宽带应该有的速度）。

1、先打开 /etc/apt/sources.list文件，然后修改，不过不能直接修改，要在终端里面修改。

2、首先：cd /etc/apt/

3、然后：su

4、输入你系统的密码：

5、首先输入：ls -l sources.list，记录该文件的属性，以便等哈改回来

6、然后修改文件属性：chmod 777 sources.list

7、打开文件：vi sources.list

8、将以下东西复制到文件的末尾：

deb lisa main upstream import universe multiverse

deb oneiric main restricted universe multiverse

deb oneiric-security main restricted universe multiverse

deb oneiric-updates main restricted universe multiverse

deb oneiric main restricted universe multiverse

deb oneiric-updates main restricted universe multiverse

deb oneiric-security main restricted universe multiverse

deb oneiric partner

deb oneiric free non-free

deb oneiric-getdeb apps

deb oneiric-getdeb games


deb oneiric main restricted universe multiverse
deb oneiric-security main restricted universe multiverse
deb oneiric-updates main restricted universe multiverse
deb oneiric-proposed main restricted universe multiverse
deb oneiric-backports main restricted universe multiverse
deb-src oneiric main restricted universe multiverse
deb-src oneiric-security main restricted universe multiverse
deb-src oneiric-updates main restricted universe multiverse
deb-src oneiric-proposed main restricted universe multiverse
deb-src oneiric-backports main restricted universe multiverse


deb oneiric main restricted universe multiverse
deb oneiric-security main restricted universe multiverse
deb oneiric-updates main restricted universe multiverse
deb oneiric-proposed main restricted universe multiverse
deb oneiric-backports main restricted universe multiverse
deb-src oneiric main restricted universe multiverse
deb-src oneiric-security main restricted universe multiverse
deb-src oneiric-updates main restricted universe multiverse
deb-src oneiric-proposed main restricted universe multiverse
deb-src oneiric-backports main restricted universe multiverse

然后保存退出

9、改回文件属性：chmod 644 sources.list（这里的644是我的系统里先前的属性，自己的要根据自己的改）

10、现在基本上就可以达到自己的宽带速度了。

本文标签： 系统更新 然后修改 系统

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