How To Install rtkit on CentOS 8
Introduction
In this tutorial we learn how to install rtkit on CentOS 8.
What is rtkit
RealtimeKit is a D-Bus system service that changes the scheduling policy of user processes/threads to SCHED_RR (i.e. realtime scheduling mode) on request. It is intended to be used as a secure mechanism to allow real-time scheduling to be used by normal user processes.
We can use yum or dnf to install rtkit on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rtkit.
Install rtkit 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 rtkit using dnf by running the following command:
sudo dnf -y install rtkit
Install rtkit 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 rtkit using yum by running the following command:
sudo yum -y install rtkit
How To Uninstall rtkit on CentOS 8
To uninstall only the rtkit package we can use the following command:
sudo dnf remove rtkit
rtkit Package Contents on CentOS 8
/etc/dbus-1/system.d/org.freedesktop.RealtimeKit1.conf
/usr/lib/.build-id
/usr/lib/.build-id/1d
/usr/lib/.build-id/1d/d6f9da46d069fcb5c4a30ed083862f30f1a524
/usr/lib/.build-id/e6
/usr/lib/.build-id/e6/92cd23a0fdb94e96ec50f69d464c780928ab3f
/usr/lib/systemd/system/rtkit-daemon.service
/usr/libexec/rtkit-daemon
/usr/sbin/rtkitctl
/usr/share/dbus-1/interfaces/org.freedesktop.RealtimeKit1.xml
/usr/share/dbus-1/system-services/org.freedesktop.RealtimeKit1.service
/usr/share/doc/rtkit
/usr/share/doc/rtkit/GPL
/usr/share/doc/rtkit/LICENSE
/usr/share/doc/rtkit/README
/usr/share/doc/rtkit/rtkit.c
/usr/share/doc/rtkit/rtkit.h
/usr/share/man/man8/rtkitctl.8.gz
/usr/share/polkit-1/actions/org.freedesktop.RealtimeKit1.policy
References
Summary
In this tutorial we learn how to install rtkit on CentOS 8 using yum and dnf.