How To Install libopenblas0-pthread on Ubuntu 20.04

In this tutorial we learn how to install libopenblas0-pthread on Ubuntu 20.04. libopenblas0-pthread is Optimized BLAS (linear algebra) library (shared lib, pthread) Optimized BLAS (linear algebra) library (shared lib, pthread)

Introduction

In this tutorial we learn how to install libopenblas0-pthread on Ubuntu 20.04.

What is libopenblas0-pthread

libopenblas0-pthread 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 amd64, arm64, i386 and ppc64el).

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

Configuration: USE_THREAD=1 USE_OPENMP=0 INTERFACE64=0

Package: libopenblas0-pthread Architecture: amd64 Version: 0.3.8+ds-1 Multi-Arch: same Priority: optional Section: universe/libs Source: openblas Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian Science Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 93503 Provides: libblas.so.3, liblapack.so.3 Depends: libc6 (>= 2.29), libgfortran5 (>= 8) Breaks: libatlas3-base (« 3.10.3-4~), libblas3 (« 3.7.1-2~), liblapack3 (« 3.7.1-2~), libopenblas-dev (« 0.2.20+ds-3~) Filename: pool/universe/o/openblas/libopenblas0-pthread_0.3.8+ds-1_amd64.deb Size: 9166648 MD5sum: a28ef1dc3b1931abf5bc08e79075e200 SHA1: 539aabe8f032aad93ebae4ec66b01de5b17d654e SHA256: 958f27066e018c813707505bf61365c3ace2b19be9975ab0d9421bc172b3e4fc Homepage: https://github.com/xianyi/OpenBLAS Description-en: Optimized BLAS (linear algebra) library (shared lib, pthread) 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 amd64, arm64, i386 and ppc64el).

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

Configuration: USE_THREAD=1 USE_OPENMP=0 INTERFACE64=0

There are three methods to install libopenblas0-pthread on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libopenblas0-pthread Using apt-get

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

sudo apt-get update

After updating apt database, We can install libopenblas0-pthread using apt-get by running the following command:

sudo apt-get -y install libopenblas0-pthread

Install libopenblas0-pthread Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libopenblas0-pthread using apt by running the following command:

sudo apt -y install libopenblas0-pthread

Install libopenblas0-pthread 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 libopenblas0-pthread using aptitude by running the following command:

sudo aptitude -y install libopenblas0-pthread

How To Uninstall libopenblas0-pthread on Ubuntu 20.04

To uninstall only the libopenblas0-pthread package we can use the following command:

sudo apt-get remove libopenblas0-pthread

Uninstall libopenblas0-pthread And Its Dependencies

To uninstall libopenblas0-pthread and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libopenblas0-pthread

Remove libopenblas0-pthread Configurations and Data

To remove libopenblas0-pthread configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libopenblas0-pthread

Remove libopenblas0-pthread configuration, data, and all of its dependencies

We can use the following command to remove libopenblas0-pthread configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libopenblas0-pthread

References

Summary

In this tutorial we learn how to install libopenblas0-pthread package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.