aegis software package provides transaction-based software configuration management, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aegis
aegis is installed in your system.
Make ensure the aegis package were installed using the commands given below,
$ sudo dpkg-query -l | grep aegis *
You will get with aegis package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Development |
| Package | aegis |
| Version | 4.24.3-3 |
| Description | transaction-based software configuration management |
| Sub Section | devel |