创建代理配置文件

创建文件/etc/apt/apt.conf.d/10proxy,`在文件中添加如下内容

Acquire::http::Proxy::dl.google.com "http://127.0.0.1:8889/";
Acquire::https::Proxy::dl.google.com "http://127.0.0.1:8889/";
Acquire::http::Proxy::download.docker.com "http://127.0.0.1:8889/";
Acquire::https::Proxy::download.docker.com "http://127.0.0.1:8889/";
Acquire::http::Proxy::download.sublimetext.com "http://127.0.0.1:8889/";
Acquire::https::Proxy::download.sublimetext.com "http://127.0.0.1:8889/";

sed -i 's/127.0.0.1/192.168.1.20/g' /etc/apt/apt.conf.d/10proxy
上面的配置表示在apt对dl.google.com进行访问时,通过127.0.0.1的8889端口走http(s)流量访问