Ubuntu Guide posted a guide about using apt-fast instead apt-get to speed up program installations/upgrades in Ubuntu

apt-get is an often used Ubuntu Linux command for installing and updating new software in terminal, but it downloads the files with a single connection. Here's a replacement for apt-get named apt-fast. apt-fast is a fully open-source script by Matt Parnell, it does almost the same thing as apt-get does, except the downloading part.

  Using apt-fast instead apt-get to Speed Up Program Installations/Upgrades in Ubuntu