How To Install gromacs-mpich on Ubuntu 18.04

In this tutorial we learn how to install gromacs-mpich on Ubuntu 18.04. gromacs-mpich is Molecular dynamics sim, binaries for MPICH parallelization

Introduction

In this tutorial we learn how to install gromacs-mpich on Ubuntu 18.04.

What is gromacs-mpich

gromacs-mpich is:

GROMACS is a versatile package to perform molecular dynamics, i.e. simulate the Newtonian equations of motion for systems with hundreds to millions of particles.

It is primarily designed for biochemical molecules like proteins and lipids that have a lot of complicated bonded interactions, but since GROMACS is extremely fast at calculating the nonbonded interactions (that usually dominate simulations) many groups are also using it for research on non- biological systems, e.g. polymers.

This package contains only the core simulation engine with parallel support using the MPICH (v3) interface. It is suitable for nodes of a processing cluster, or for multiprocessor machines.

There are three methods to install gromacs-mpich on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install gromacs-mpich Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install gromacs-mpich using apt-get by running the following command:

sudo apt-get -y install gromacs-mpich

Install gromacs-mpich Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install gromacs-mpich using apt by running the following command:

sudo apt -y install gromacs-mpich

Install gromacs-mpich Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install gromacs-mpich using aptitude by running the following command:

sudo aptitude -y install gromacs-mpich

How To Uninstall gromacs-mpich on Ubuntu 18.04

To uninstall only the gromacs-mpich package we can use the following command:

sudo apt-get remove gromacs-mpich

Uninstall gromacs-mpich And Its Dependencies

To uninstall gromacs-mpich and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove gromacs-mpich

Remove gromacs-mpich Configurations and Data

To remove gromacs-mpich configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge gromacs-mpich

Remove gromacs-mpich configuration, data, and all of its dependencies

We can use the following command to remove gromacs-mpich configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge gromacs-mpich

References

Summary

In this tutorial we learn how to install gromacs-mpich package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.