How To Install rapl-set on CentOS 8

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install powercap-utils

sudo dnf makecache && sudo dnf -y install powercap-utils

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is rapl-set and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install rapl-set on CentOS 8. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install rapl-set on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install rapl-set using dnf by running the following command:

sudo dnf -y install powercap-utils

Install rapl-set on CentOS 8 using yum

Because rapl-set is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install rapl-set package on your server/computer by running the following command:

sudo yum -y install powercap-utils

How to upgrade (update) a single package rapl-set using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like rapl-set in this example you should use the following command:

yum update powercap-utils

To downgrade a package to an earlier version:

yum downgrade powercap-utils

How to Upgrade rapl-set on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update powercap-utils

How To remove rapl-set from CentOS 8

To uninstall only the rapl-set package you can execute the following command:

sudo dnf remove powercap-utils

Extra info and code examples

This package contains utilities for accessing the powercap Linux kernel feature through sysfs. Specifically, it provides powercap-info and powercap- set for generic access to powercap control types, and rapl-info and rapl- set for managing Intel RAPL implementations.

Conclusion

You now have a full guide on how to install rapl-set using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the rapl-set from CentOS 8.

See also: