How To Install libpcap on CentOS 7
Introduction
In this tutorial we learn how to install libpcap on CentOS 7.
What is libpcap
Libpcap provides a portable framework for low-level network monitoring. Libpcap can provide network statistics collection, security monitoring and network debugging. Since almost every system vendor provides a different interface for packet capture, the libpcap authors created this system-independent API to ease in porting and to alleviate the need for several system-dependent packet capture modules in each application. Install libpcap if you need to do low-level network traffic monitoring on your network. Libpcap provides a portable framework for low-level network monitoring. Libpcap can provide network statistics collection, security monitoring and network debugging. Since almost every system vendor provides a different interface for packet capture, the libpcap authors created this system-independent API to ease in porting and to alleviate the need for several system-dependent packet capture modules in each application. Install libpcap if you need to do low-level network traffic monitoring on your network.
We can use yum or dnf to install libpcap on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install libpcap.
Install libpcap on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install libpcap using yum by running the following command:
sudo yum -y install libpcap
Install libpcap 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 libpcap using dnf by running the following command:
sudo dnf -y install libpcap
How To Uninstall libpcap on CentOS 7
To uninstall only the libpcap package we can use the following command:
sudo dnf remove libpcap
References
Summary
In this tutorial we learn how to install libpcap on CentOS 7 using yum and dnf.