How To Install libopenblas-base on Ubuntu 18.04

In this tutorial we learn how to install libopenblas-base on Ubuntu 18.04. libopenblas-base is Optimized BLAS (linear algebra) library (shared library)

Introduction

In this tutorial we learn how to install libopenblas-base on Ubuntu 18.04.

What is libopenblas-base

libopenblas-base is:

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

Unlike Atlas, OpenBLAS provides a multiple architecture library.

All kernel will be included in the library and dynamically switched to the best architecture at run time (only on x86 arches).

For more information on how to rebuild locally OpenBLAS, see the section: “Building Optimized OpenBLAS Packages on your ARCH” in README.Debian

There are three methods to install libopenblas-base 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 libopenblas-base Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install libopenblas-base

Install libopenblas-base Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libopenblas-base

Install libopenblas-base 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 libopenblas-base using aptitude by running the following command:

sudo aptitude -y install libopenblas-base

How To Uninstall libopenblas-base on Ubuntu 18.04

To uninstall only the libopenblas-base package we can use the following command:

sudo apt-get remove libopenblas-base

Uninstall libopenblas-base And Its Dependencies

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

sudo apt-get -y autoremove libopenblas-base

Remove libopenblas-base Configurations and Data

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

sudo apt-get -y purge libopenblas-base

Remove libopenblas-base configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libopenblas-base

References

Summary

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