mrbayes software package provides Bayesian Inference of Phylogeny, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install mrbayes
mrbayes is installed in your system.
Make ensure the mrbayes package were installed using the commands given below,
$ sudo dpkg-query -l | grep mrbayes *
You will get with mrbayes package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | mrbayes |
| Version | 3.2.2+dfsg-1 |
| Description | Bayesian Inference of Phylogeny |
| Sub Section | math |