apt-get 透過proxy

ubuntu 12.04 上使用apt-get 透過proxy 來更新...

1. export http_proxy=http://1.2.3.4:3128

    export ftp_proxy=http://1.2.3.4:3128

2. sudo vi /etc/apt/apt.conf

    加上     Acquire::http::Proxy "http://1.2.3.4:3128";
                Acquire::ftp::Proxy "http://1.2.3.4:3128";