How To Install cpulimit on CentOS 8
Introduction
In this tutorial we learn how to install cpulimit on CentOS 8.
What is cpulimit
cpulimit is a simple program which attempts to limit the CPU usage of a process (expressed in percentage, not in CPU time). This is useful to control batch jobs, when you don’t want them to eat too much CPU. It does not act on the nice value or other scheduling priority stuff, but on the real CPU usage. Also, it is able to adapt itself to the overall system load, dynamically and quickly.
We can use yum or dnf to install cpulimit on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install cpulimit.
Install cpulimit 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 cpulimit using dnf by running the following command:
sudo dnf -y install cpulimit
Install cpulimit 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 cpulimit using yum by running the following command:
sudo yum -y install cpulimit
How To Uninstall cpulimit on CentOS 8
To uninstall only the cpulimit package we can use the following command:
sudo dnf remove cpulimit
cpulimit Package Contents on CentOS 8
/usr/bin/cpulimit
/usr/lib/.build-id
/usr/lib/.build-id/94
/usr/lib/.build-id/94/25e37e4095f0c0baf36697c7667a5840e157ea
/usr/share/doc/cpulimit
/usr/share/doc/cpulimit/README.md
/usr/share/licenses/cpulimit
/usr/share/licenses/cpulimit/LICENSE
References
Summary
In this tutorial we learn how to install cpulimit on CentOS 8 using yum and dnf.