Debian 10 更换成163 源

#先备份原来的源配置文件
mv  /etc/apt/sources.list /etc/apt/sources.list_back_20191113

vi  /etc/apt/sources.list

    deb http://mirrors.163.com/debian/ stretch main non-free contrib
    deb http://mirrors.163.com/debian/ stretch-updates main non-free contrib
    deb http://mirrors.163.com/debian/ stretch-backports main non-free contrib
    deb-src http://mirrors.163.com/debian/ stretch main non-free contrib
    deb-src http://mirrors.163.com/debian/ stretch-updates main non-free contrib
    deb-src http://mirrors.163.com/debian/ stretch-backports main non-free contrib
    deb http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib
    deb-src http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib



上面是最新的，官方给出的，而且是每隔4个小时更新一次，如果你添加后无法使用请到官方给出的更换源页面更换其他的源
http://mirrors.163.com/.help/debian.html

另外吐槽一下其他人写的更换源的方法，真的很差劲，复制粘贴，真是好教材。