archdetect software package provides Hardware architecture detector, 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 archdetect
archdetect is installed in your system.
Make ensure the archdetect package were installed using the commands given below,
$ sudo dpkg-query -l | grep archdetect *
You will get with archdetect package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | debian-installer udeb packages |
| Package | archdetect |
| Version | 1.88ubuntu2 |
| Description | Hardware architecture detector |
| Sub Section | Debian-installer |