How To Install flann on CentOS 7
Introduction
In this tutorial we learn how to install flann on CentOS 7.
What is flann
FLANN is a library for performing fast approximate nearest neighbor searches in high dimensional spaces. It contains a collection of algorithms found to work best for nearest neighbor search and a system for automatically choosing the best algorithm and optimum parameters depending on the data sets.
We can use yum or dnf to install flann on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install flann.
Install flann on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install flann using yum by running the following command:
sudo yum -y install flann
Install flann on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install flann using dnf by running the following command:
sudo dnf -y install flann
How To Uninstall flann on CentOS 7
To uninstall only the flann package we can use the following command:
sudo dnf remove flann
References
Summary
In this tutorial we learn how to install flann on CentOS 7 using yum and dnf.