How To Install libpcap on Rocky Linux 8

In this tutorial we learn how to install libpcap on Rocky Linux 8. libpcap is A system-independent interface for user-level packet capture

Introduction

In this tutorial we learn how to install libpcap on Rocky Linux 8.

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.

We can use yum or dnf to install libpcap on Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install libpcap.

Install libpcap on Rocky Linux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install libpcap

Install libpcap on Rocky Linux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

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

sudo yum -y install libpcap

How To Uninstall libpcap on Rocky Linux 8

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

sudo dnf remove libpcap

libpcap Package Contents on Rocky Linux 8

/usr/lib/.build-id
/usr/lib/.build-id/29
/usr/lib/.build-id/29/dd082e914fb1a1eaa3ba823303dc83f2448870
/usr/lib64/libpcap.so.1
/usr/lib64/libpcap.so.1.9.1
/usr/share/doc/libpcap
/usr/share/doc/libpcap/CHANGES
/usr/share/doc/libpcap/CREDITS
/usr/share/doc/libpcap/README.md
/usr/share/licenses/libpcap
/usr/share/licenses/libpcap/LICENSE
/usr/share/man/man7/pcap-filter.7.gz
/usr/share/man/man7/pcap-linktype.7.gz
/usr/share/man/man7/pcap-tstamp.7.gz
/usr/lib/.build-id
/usr/lib/.build-id/40
/usr/lib/.build-id/40/2ec916efb7dca1380071431bc2732a77b3847a
/usr/lib/libpcap.so.1
/usr/lib/libpcap.so.1.9.1
/usr/share/doc/libpcap
/usr/share/doc/libpcap/CHANGES
/usr/share/doc/libpcap/CREDITS
/usr/share/doc/libpcap/README.md
/usr/share/licenses/libpcap
/usr/share/licenses/libpcap/LICENSE
/usr/share/man/man7/pcap-filter.7.gz
/usr/share/man/man7/pcap-linktype.7.gz
/usr/share/man/man7/pcap-tstamp.7.gz

References

libpcap website

Summary

In this tutorial we learn how to install libpcap on Rocky Linux 8 using yum and dnf.