How To Install libnetfilter_cthelper on Fedora 34

libnetfilter_cthelper is User-space infrastructure for connection tracking helpers User-space infrastructure for connection tracking helpers

Introduction

In this tutorial we learn how to install libnetfilter_cthelper on Fedora 34.

What is `libnetfilter_cthelper`

This library provides the infrastructure for the user-space helper infrastructure available since the Linux kernel 3.6. libnetfilter_cthelper 1.0.0 19.fc34 x86_64 22 k libnetfilter_cthelper-1.0.0-19.fc34.src.rpm fedora User-space infrastructure for connection tracking helpers http GPLv2 This library provides the infrastructure for the user-space helper infrastructure available since the Linux kernel 3.6.

We can use yum or dnf to install libnetfilter_cthelper on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install libnetfilter_cthelper.

Install libnetfilter_cthelper on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo dnf -y install libnetfilter_cthelper

Install libnetfilter_cthelper on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo yum -y install libnetfilter_cthelper

How To Uninstall libnetfilter_cthelper on Fedora 34

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

sudo dnf remove libnetfilter_cthelper

libnetfilter_cthelper Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/69
/usr/lib/.build-id/69/1a803cfd3b9e771fd9184f6b2a0d3848d53bfb
/usr/lib64/libnetfilter_cthelper.so.0
/usr/lib64/libnetfilter_cthelper.so.0.0.0
/usr/share/doc/libnetfilter_cthelper
/usr/share/doc/libnetfilter_cthelper/COPYING
/usr/share/doc/libnetfilter_cthelper/README
/usr/lib/.build-id
/usr/lib/.build-id/ea
/usr/lib/.build-id/ea/f8babf8c0915e5fb560ad7d258112722c50706
/usr/lib/libnetfilter_cthelper.so.0
/usr/lib/libnetfilter_cthelper.so.0.0.0
/usr/share/doc/libnetfilter_cthelper
/usr/share/doc/libnetfilter_cthelper/COPYING
/usr/share/doc/libnetfilter_cthelper/README

References

[libnetfilter_cthelper website](http://www.netfilter.org/projects/libnetfilter_cthelper/index.html http://www.netfilter.org/projects/libnetfilter_cthelper/index.html)

Summary

In this tutorial we learn how to install libnetfilter_cthelper on Fedora 34 using yum and dnf.