base-installer software package provides base system installation framework, 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 base-installer
base-installer is installed in your system.
Make ensure the base-installer package were installed using the commands given below,
$ sudo dpkg-query -l | grep base-installer *
You will get with base-installer package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | debian-installer udeb packages |
| Package | base-installer |
| Version | 1.122ubuntu7 |
| Description | base system installation framework |
| Sub Section | Debian-installer |