How To Install libnetfilter_queue on CentOS 7

Introduction

In this tutorial we learn how to install libnetfilter_queue on CentOS 7.

What is libnetfilter_queue

libnetfilter_queue is a userspace library providing an API to packets that have been queued by the kernel packet filter. It is is part of a system that deprecates the old ip_queue / libipq mechanism. libnetfilter_queue has been previously known as libnfnetlink_queue. libnetfilter_queue is a userspace library providing an API to packets that have been queued by the kernel packet filter. It is is part of a system that deprecates the old ip_queue / libipq mechanism. libnetfilter_queue has been previously known as libnfnetlink_queue.

We can use yum or dnf to install libnetfilter_queue on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install libnetfilter_queue.

Install libnetfilter_queue on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install libnetfilter_queue using yum by running the following command:

sudo yum -y install libnetfilter_queue

Install libnetfilter_queue 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 libnetfilter_queue using dnf by running the following command:

sudo dnf -y install libnetfilter_queue

How To Uninstall libnetfilter_queue on CentOS 7

To uninstall only the libnetfilter_queue package we can use the following command:

sudo dnf remove libnetfilter_queue

References

• libnetfilter_queue website

Summary

In this tutorial we learn how to install libnetfilter_queue on CentOS 7 using yum and dnf.