Proxy setting for Debian/Ubuntu apt-get

If you need to do apt-get and need to get out to the Internet via proxy, you need to configure either /etc/apt/apt.conf or /etc/apt/apt.conf.d/proxy and put the following entry to the file:

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