How To Install libnet on CentOS 7

In this tutorial we learn how to install libnet on CentOS 7. libnet is C library for portable packet creation and injection

Introduction

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

What is libnet

Libnet is an API to help with the construction and handling of network packets. It provides a portable framework for low-level network packet writing and handling (use libnet in conjunction with libpcap and you can write some really cool stuff). Libnet includes packet creation at the IP layer and at the link layer as well as a host of supplementary and complementary functionality. Libnet is an API to help with the construction and handling of network packets. It provides a portable framework for low-level network packet writing and handling (use libnet in conjunction with libpcap and you can write some really cool stuff). Libnet includes packet creation at the IP layer and at the link layer as well as a host of supplementary and complementary functionality.

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

Install libnet on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install libnet

Install libnet 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 libnet using dnf by running the following command:

sudo dnf -y install libnet

How To Uninstall libnet on CentOS 7

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

sudo dnf remove libnet

References

Summary

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