ubuntu apt-get 更换清华源设置
<p>ubutun agt-get 清华源地址为：https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/<br>1.备份ubuntu 中/etc/apt/sources.list<br>
<img src="https://img2020.cnblogs.com/blog/1423374/202006/1423374-20200616133757796-795498240.png"><br>
sudo cp sources.list sources.list.bak<br>
2.编辑sources.list<br>
选择ubutun对应的系统版本（我用的是 ubutun 16.04 LTS），拷贝对应内容覆盖sources.list文件：</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/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse
</code></pre>
<p>3 查看是否可以更新<br>
<img src="https://img2020.cnblogs.com/blog/1423374/202006/1423374-20200616134624580-1115967857.png"><br>
chenfuhai@devstack-compute:~$ sudo apt-get update</p><br><br>
来源：https://www.cnblogs.com/chenfuhai/p/13140529.html
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