How To Install frei0r-plugins-opencv on CentOS 8
Introduction
In this tutorial we learn how to install frei0r-plugins-opencv on CentOS 8.
What is frei0r-plugins-opencv
Frei0r plugins that use the OpenCV computer vision framework.
We can use yum or dnf to install frei0r-plugins-opencv on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install frei0r-plugins-opencv.
Install frei0r-plugins-opencv 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 frei0r-plugins-opencv using dnf by running the following command:
sudo dnf -y install frei0r-plugins-opencv
Install frei0r-plugins-opencv 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 frei0r-plugins-opencv using yum by running the following command:
sudo yum -y install frei0r-plugins-opencv
How To Uninstall frei0r-plugins-opencv on CentOS 8
To uninstall only the frei0r-plugins-opencv package we can use the following command:
sudo dnf remove frei0r-plugins-opencv
frei0r-plugins-opencv Package Contents on CentOS 8
/usr/lib/.build-id
/usr/lib/.build-id/91/405e4ad06ff37d2dd2f4fa1d47c0e366161d8c
/usr/lib/.build-id/ba/8ad21cc5529a9e85c27d1f16386512aa450fc0
/usr/lib64/frei0r-1/facebl0r.so
/usr/lib64/frei0r-1/facedetect.so
References
Summary
In this tutorial we learn how to install frei0r-plugins-opencv on CentOS 8 using yum and dnf.