Ubuntu更新源
<p>安装Ubuntu18.04后，使用国外源太慢了，修改为国内源会快很多。</p><p>修改阿里源为Ubuntu 18.04默认的源</p>
<p>备份/etc/apt/sources.list<br>#备份<br>cp /etc/apt/sources.list /etc/apt/sources.list.bak</p>
<p>在/etc/apt/sources.list文件前面添加如下条目<br>#添加阿里源<br>deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse<br>deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse<br>deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse<br>deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse<br>deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse<br>deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse<br>deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse<br>deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse</p>
<p>最后执行如下命令更新源<br>##更新<br>sudo apt-get update<br>sudo apt-get upgrade</p>
<p>另外其他几个国内源如下： <br><strong>中科大源</strong><br>##中科大源<br>deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse<br>deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse<br>deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse<br>deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse<br>deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse<br>deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse<br>deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse<br>deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse<br>deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse</p>
<p><strong>163源</strong><br>##163源<br>deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse<br>deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse<br>deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse<br>deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse<br>deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse<br>deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse<br>deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse<br>deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse</p>
<p><strong>清华源</strong><br>##清华源<br>deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse<br>deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse<br>deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse<br>deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse<br>deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse<br>deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse<br>deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse<br>deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse<br>deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse<br>deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse</p><br><br>
来源：https://www.cnblogs.com/ssxblog/p/11357126.html
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