beast-mcmc software package provides Bayesian MCMC phylogenetic inference, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install beast-mcmc
beast-mcmc is installed in your system.
Make ensure the beast-mcmc package were installed using the commands given below,
$ sudo dpkg-query -l | grep beast-mcmc *
You will get with beast-mcmc package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | beast-mcmc |
| Version | 1.8.4+dfsg.1-1 |
| Description | Bayesian MCMC phylogenetic inference |
| Sub Section | Science |