Courtesy: http://www.ubuntu.com/community/ubuntustory/debian Celebrating 15 years of freedom Debian and Ubuntu Ubuntu and Debian are closely related. Ubuntu builds on the foundations of Debian architecture and infrastructure, with a different community and release process. About Debian Debian is “the rock upon which Ubuntu is built”. Debian is a volunteer project to develop a GNU/Linux distribution. Debian [...]

add export http_proxy=http://server-proxy:port and / or export ftp_proxy=http://server-proxy:port in your profile (.bashrc) or in /etc/bash.bashrc file

Ubuntu / Debian For apt-get at the command-line If you originally setup ubuntu server behind a proxy, the settings are stored in “apt” itself, Checkout the following file: /etc/apt/apt.conf else modify it as below: Acquire::http::Proxy “<http://your proxy:port/”;