at-spi software package provides at-spi2-atk - at-spi transitional package, 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 at-spi
at-spi is installed in your system.
Make ensure the at-spi package were installed using the commands given below,
$ sudo dpkg-query -l | grep at-spi *
You will get with at-spi package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | GNOME |
| Package | at-spi |
| Version | 2.4.0-1ubuntu2 |
| Description | at-spi2-atk - at-spi transitional package |
| Sub Section | GNOME |