fakeroot software package provides tool for simulating superuser privileges, 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 fakeroot
fakeroot is installed in your system.
Make ensure the fakeroot package were installed using the commands given below,
$ sudo dpkg-query -l | grep fakeroot *
You will get with fakeroot package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Utilities |
| Package | fakeroot |
| Version | 1.18.2-1 |
| Description | tool for simulating superuser privileges |
| Sub Section | Utils |