How To Install libopenblas0 on Ubuntu 20.04
Introduction
In this tutorial we learn how to install libopenblas0 on Ubuntu 20.04.
What is libopenblas0
libopenblas0 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
Package: libopenblas0 Architecture: amd64 Version: 0.3.8+ds-1 Multi-Arch: same Priority: optional Section: universe/metapackages 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: 40 Depends: libopenblas0-pthread | libopenblas0-openmp | libopenblas0-serial 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_0.3.8+ds-1_amd64.deb Size: 5864 MD5sum: edbe13b8af91bd3158fa37abc0a00b32 SHA1: c55424a0a8b176f57a52eb0a2ca85019a4ef6962 SHA256: f5ecb0312de0b333c57deed4886923917d57a38cb3223135ce3dbd5745611253 Homepage: https://github.com/xianyi/OpenBLAS Description-en: Optimized BLAS (linear algebra) library (meta) 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
There are three methods to install libopenblas0 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 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 using apt-get by running the following command:
sudo apt-get -y install libopenblas0
Install libopenblas0 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libopenblas0 using apt by running the following command:
sudo apt -y install libopenblas0
Install libopenblas0 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 using aptitude by running the following command:
sudo aptitude -y install libopenblas0
How To Uninstall libopenblas0 on Ubuntu 20.04
To uninstall only the libopenblas0 package we can use the following command:
sudo apt-get remove libopenblas0
Uninstall libopenblas0 And Its Dependencies
To uninstall libopenblas0 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove libopenblas0
Remove libopenblas0 Configurations and Data
To remove libopenblas0 configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge libopenblas0
Remove libopenblas0 configuration, data, and all of its dependencies
We can use the following command to remove libopenblas0 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libopenblas0
References
Summary
In this tutorial we learn how to install libopenblas0 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.