为Apt-Get设置代理

define in apt.conf

Acquire {
Retries "0";
HTTP {
Proxy "http://proxy.mystarhub.com.sg:8080";
};
};

或：

Acquire::http::Proxy "http://MYDOMAIN\MYNAME:MYPASS@MY.PROXY.COM:MYPORT";

或：

sudo export http_proxy=http://myuname:mypass@myproxy:myport