“This tutorial shows how to create a Debian/Ubuntu mirror for your local network with the tool apt-mirror. Having a local Debian/Ubuntu mirror is good if you have to install multiple systems in your local network because then all needed packages can be downloaded over the fast LAN connection, thus saving your internet bandwidth.”
How to Create a Local Debian Mirror with apt-mirror
Submitted by falko 2007-01-04 Debian 7 Comments
who needs apt-mirror if one can just sync over ftp (for example, with rsync) and set up your own debian ftp source?