How To Install numactl on CentOS 8

numactl is Library for tuning for Non Uniform Memory Access machines

Introduction

In this tutorial we learn how to install numactl on CentOS 8.

What is numactl

Simple NUMA policy support. It consists of a numactl program to run other programs with a specific NUMA policy.

We can use yum or dnf to install numactl on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install numactl.

Install numactl 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 numactl using dnf by running the following command:

sudo dnf -y install numactl

Install numactl 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 numactl using yum by running the following command:

sudo yum -y install numactl

How To Uninstall numactl on CentOS 8

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

sudo dnf remove numactl

numactl Package Contents on CentOS 8

/usr/bin/memhog
/usr/bin/migratepages
/usr/bin/migspeed
/usr/bin/numactl
/usr/bin/numademo
/usr/bin/numastat
/usr/lib/.build-id
/usr/lib/.build-id/52
/usr/lib/.build-id/52/b7431770ab0fa6a16c66342aca586b68de1f90
/usr/lib/.build-id/58
/usr/lib/.build-id/58/71d977e779cf151114058c9845adb0cffe5df3
/usr/lib/.build-id/67
/usr/lib/.build-id/67/bc5f5db5736313081e967942b54f4829e7e9a0
/usr/lib/.build-id/a0
/usr/lib/.build-id/a0/c074768ef3beb9b6addc2983a05a1555755939
/usr/lib/.build-id/a2
/usr/lib/.build-id/a2/b18bfa4e7f027dfde81669d75789b34fffd4d0
/usr/lib/.build-id/e4
/usr/lib/.build-id/e4/6cc1489bc9f955674eeea779fb050c8ef6bfe1
/usr/share/doc/numactl
/usr/share/doc/numactl/README.md
/usr/share/man/man8/memhog.8.gz
/usr/share/man/man8/migratepages.8.gz
/usr/share/man/man8/migspeed.8.gz
/usr/share/man/man8/numactl.8.gz
/usr/share/man/man8/numastat.8.gz

References

Summary

In this tutorial we learn how to install numactl on CentOS 8 using yum and dnf.