Ubuntu换源完整操作
<p><font size="4" face="微软雅黑"></font></p><div class="toc"><div class="toc-container-header"><font size="4" face="微软雅黑">目录</font></div><ul><li><font size="4" face="微软雅黑">检查Ubuntu版本</font></li></ul></div><p></p><font size="4" face="微软雅黑"><h2 id="检查ubuntu版本">检查Ubuntu版本</h2>
<p>打开Terminal，输入<code>cat /etc/lsb-release</code><br>
得到如下信息：</p>
<pre><code>DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS"
</code></pre>
<p><img src="https://img2020.cnblogs.com/blog/1776217/202009/1776217-20200914215940174-784145336.png" alt="" loading="lazy"><br>
由此得知，我的Ubuntu是14.04版本<br>
然后找到下面这个网站：<br>
<u>Ubuntu 镜像使用帮助</u><br>
<img src="https://img2020.cnblogs.com/blog/1776217/202009/1776217-20200914220448246-1053732381.png" alt="" loading="lazy"><br>
在上图的1处选择自己的Ubuntu的版本号<br>
然后再Terminal中输入下面的命令进行备份<br>
<code>sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak</code><br>
备份完后在Terminal中输入<br>
sudo gedit /etc/apt/sources.list<br>
然后将其中的内容替换为上图2处的内容</p>
<pre><code># 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-security main restricted universe multiverse
# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ trusty-proposed main restricted universe multiverse
</code></pre>
<p>然后Ctrl+S，保存。<br>
关闭这个文件，再次打开Terminal，输入<code>sudo apt update</code><br>
<img src="https://img2020.cnblogs.com/blog/1776217/202009/1776217-20200914230649674-1771768219.png" alt="" loading="lazy"><br>
换源完成！</p>
</font><br><br>
来源：https://www.cnblogs.com/cyx-b/p/13669679.html
頁:
[1]