Introduction
In this tutorial we learn how to install atlas-corei2 on CentOS 8.
What is atlas-corei2
This package contains the ATLAS (Automatically Tuned Linear Algebra Software) libraries compiled with optimizations for the Corei2 (Ivy/Sandy bridge) CPUs. The base ATLAS builds for the x86_64 architecture are made for the hammer64 CPUs.
We can use yum or dnf to install atlas-corei2 on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install atlas-corei2.
Install atlas-corei2 on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install atlas-corei2 using dnf by running the following command:
sudo dnf -y install atlas-corei2
Install atlas-corei2 on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install atlas-corei2 using yum by running the following command:
sudo yum -y install atlas-corei2
How To Uninstall atlas-corei2 on CentOS 8
To uninstall only the atlas-corei2 package we can use the following command:
sudo dnf remove atlas-corei2
atlas-corei2 Package Contents on CentOS 8
/etc/ld.so.conf.d/atlas-x86_64-corei2.conf
/usr/lib/.build-id
/usr/lib/.build-id/c2
/usr/lib/.build-id/c2/c17b66c50e4b8982c3da204fbaec197ee4a7da
/usr/lib/.build-id/d9
/usr/lib/.build-id/d9/2dcc6da289f8bf70c21a798e0d65d86e41a58e
/usr/lib64/atlas-corei2
/usr/lib64/atlas-corei2/libsatlas.so.3
/usr/lib64/atlas-corei2/libsatlas.so.3.10
/usr/lib64/atlas-corei2/libtatlas.so.3
/usr/lib64/atlas-corei2/libtatlas.so.3.10
/usr/share/doc/atlas-corei2
/usr/share/doc/atlas-corei2/README.dist
References
Summary
In this tutorial we learn how to install atlas-corei2 on CentOS 8 using yum and dnf.
