How To Install libopenmpi2 on Debian 9

In this tutorial we learn how to install libopenmpi2 on Debian 9. libopenmpi2 is high performance message passing library – shared library

Introduction

In this tutorial we learn how to install libopenmpi2 on Debian 9.

What is libopenmpi2

libopenmpi2 is:

Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. A completely new MPI-3.1 compliant implementation, Open MPI offers advantages for system and software vendors, application developers and computer science researchers.

This package contains the Open MPI shared libraries.

There are three methods to install libopenmpi2 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libopenmpi2 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libopenmpi2 using apt-get by running the following command:

sudo apt-get -y install libopenmpi2

Install libopenmpi2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libopenmpi2 using apt by running the following command:

sudo apt -y install libopenmpi2

Install libopenmpi2 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libopenmpi2 using aptitude by running the following command:

sudo aptitude -y install libopenmpi2

How To Uninstall libopenmpi2 on Debian 9

To uninstall only the libopenmpi2 package we can use the following command:

sudo apt-get remove libopenmpi2

Uninstall libopenmpi2 And Its Dependencies

To uninstall libopenmpi2 and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libopenmpi2

Remove libopenmpi2 Configurations and Data

To remove libopenmpi2 configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libopenmpi2

Remove libopenmpi2 configuration, data, and all of its dependencies

We can use the following command to remove libopenmpi2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libopenmpi2

Dependencies

libopenmpi2 have the following dependencies:

References

Summary

In this tutorial we learn how to install libopenmpi2 package on Debian 9 using different package management tools: apt, apt-get and aptitude.