精简的linux修改 apt-get 国内软件源

1. 进入apt目录

cd /etc/apt

2. 备份源文件

cp sources.list sources-backup.list

3. 修改源（中科大）

echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse' >> sources.list

或者修改为163的源

rm -f sources.list
cp sources-backup.list sources.list

echo 'deb http://mirrors.163.com/ubuntu/ precise-updates main restricted' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise-updates main restricted' >> sources.list
echo 'deb http://mirrors.163.com/ubuntu/ precise universe' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise universe' >> sources.list
echo 'deb http://mirrors.163.com/ubuntu/ precise-updates universe' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise-updates universe' >> sources.list
echo 'deb http://mirrors.163.com/ubuntu/ precise multiverse' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise multiverse' >> sources.list
echo 'deb http://mirrors.163.com/ubuntu/ precise-updates multiverse' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise-updates multiverse' >> sources.list
echo 'deb http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse' >> sources.list

或者阿里的源

rm -f sources.list
cp sources-backup.list sources.list

echo 'deb http://mirrors.aliyun.com/debian/ buster main non-free contrib' >> sources.list
echo 'deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib' >> sources.list
echo 'deb http://mirrors.aliyun.com/debian-security buster/updates main' >> sources.list
echo 'deb-src http://mirrors.aliyun.com/debian-security buster/updates main' >> sources.list
echo 'deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib' >> sources.list
echo 'deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib' >> sources.list
echo 'deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib' >> sources.list
echo 'deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse' >> sources.list
echo 'deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-proposed main restricted universe multiverse' >> sources.list
echo 'deb-src http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse' >> sources.list