apt-cacher software package provides Caching proxy server for Debian/Ubuntu software repositories, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apt-cacher
apt-cacher is installed in your system.
Make ensure the apt-cacher package were installed using the commands given below,
$ sudo dpkg-query -l | grep apt-cacher *
You will get with apt-cacher package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | apt-cacher |
| Version | 1.7.11 |
| Description | Caching proxy server for Debian/Ubuntu software repositories |
| Sub Section | Net |