apbs software package provides Adaptive Poisson Boltzmann Solver, 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 apbs
apbs is installed in your system.
Make ensure the apbs package were installed using the commands given below,
$ sudo dpkg-query -l | grep apbs *
You will get with apbs package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Science |
| Package | apbs |
| Version | 1.2.1b-1build1 |
| Description | Adaptive Poisson Boltzmann Solver |
| Sub Section | Science |