Ubuntu 更换下载源
<h2>Ubuntu将下载官方源更换为国内源</h2><p>由于某些原因，在国内更新软件都很慢，可以改源为国内源</p>
<h2>1、备份原始文件</h2>
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<pre>sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup</pre>
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<h2>2、打开文件</h2>
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<pre>vi /etc/apt/sources.list</pre>
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<h2>3、注释原文件内容添加新地址</h2>
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<pre><span style="color: rgba(0, 0, 0, 1)">#阿里云
deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse</span></pre>
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<p>或者网易云</p>
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<pre><span style="color: rgba(0, 0, 0, 1)">#网易163
deb http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ trusty-backports main restricted universe multiverse</span></pre>
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<p>或者清华源</p>
<p>https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/</p>
<h2>4、保存退出</h2>
<p>ESC + : + wq</p>
<h2>5、更新源</h2>
<div class="cnblogs_code">
<pre>sudo apt-get update</pre>
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<h2>6、更新软件</h2>
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<pre><span style="color: rgba(0, 0, 0, 1)">sudo apt-get dist-upgrade
sudo apt-get upgrade</span></pre>
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<p> </p>
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<div>作者：梦里梦外</div>
<div>出处：https://www.cnblogs.com/mengw/
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来源：https://www.cnblogs.com/mengw/p/11408118.html
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