How To Install powertop on CentOS 8

powertop is Power consumption monitor

Introduction

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

What is powertop

PowerTOP is a tool that finds the software component(s) that make your computer use more power than necessary while it is idle.

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

Install powertop 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 powertop using dnf by running the following command:

sudo dnf -y install powertop

Install powertop 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 powertop using yum by running the following command:

sudo yum -y install powertop

How To Uninstall powertop on CentOS 8

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

sudo dnf remove powertop

powertop Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/6c
/usr/lib/.build-id/6c/25f0b1de222690d5a63cf876a87dd6e8ace308
/usr/lib/systemd/system/powertop.service
/usr/sbin/powertop
/usr/share/bash-completion/completions/powertop
/usr/share/doc/powertop
/usr/share/doc/powertop/COPYING
/usr/share/doc/powertop/README
/usr/share/doc/powertop/TODO
/usr/share/locale/ca/LC_MESSAGES/powertop.mo
/usr/share/locale/cs_CZ/LC_MESSAGES/powertop.mo
/usr/share/locale/de_DE/LC_MESSAGES/powertop.mo
/usr/share/locale/en_GB/LC_MESSAGES/powertop.mo
/usr/share/locale/en_US/LC_MESSAGES/powertop.mo
/usr/share/locale/es_ES/LC_MESSAGES/powertop.mo
/usr/share/locale/hu_HU/LC_MESSAGES/powertop.mo
/usr/share/locale/id_ID/LC_MESSAGES/powertop.mo
/usr/share/locale/nl_NL/LC_MESSAGES/powertop.mo
/usr/share/locale/zh_TW/LC_MESSAGES/powertop.mo
/usr/share/man/man8/powertop.8.gz
/var/cache/powertop
/var/cache/powertop/saved_parameters.powertop
/var/cache/powertop/saved_results.powertop

References

Summary

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