丁耀民 發表於 2021-8-29 11:50:00

Ubuntu 20.04更换国内源

<h3 id="ubuntu-2004-linux更换源教程">Ubuntu 20.04 Linux更换源教程</h3>
<blockquote>
<p>为了更快的下载速度，我们常常需要把Ubuntu自带的国外源换成国内源</p>
</blockquote>
<p>更换源步骤如下：<br>
&nbsp;&nbsp;1、备份源列表</p>
<pre><code>sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
</code></pre>
<p>&nbsp;&nbsp;2、命令行打开sources.list文件</p>
<pre><code>sudo vim /etc/apt/sources.list
</code></pre>
<p>&nbsp;&nbsp;3、修改sources.list文件</p>
<pre><code>sudo vim /etc/apt/sources.list
</code></pre>
<p>&nbsp;&nbsp;将源文件内容全部注释，并添加以下内容任意源</p>
<p><code>阿里云源</code></p>
<pre><code>deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
</code></pre>
<p><code>清华源</code></p>
<pre><code>deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security multiverse
</code></pre>
<p>&nbsp;&nbsp;4、保存：ESC+：wq！<br>
&nbsp;&nbsp;5、更新源</p>
<pre><code>sudo apt-get update
</code></pre>
<p>&nbsp;&nbsp;6、更新软件，然后你就可以感受到更换国内源之后的飞速提升了</p>
<pre><code>sudo apt-get dist-upgrade
sudo apt-get upgrade
</code></pre><br><br>
来源：https://www.cnblogs.com/gaojia-hackerone/p/15202230.html
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