How To Install netcat on Rocky Linux 8

In this tutorial we learn how to install netcat on Rocky Linux 8. netcat is OpenBSD netcat to read and write data across connections using TCP or UDP

Introduction

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

What is netcat

The OpenBSD nc (or netcat) utility can be used for just about anything involving TCP, UDP, or UNIX-domain sockets. It can open TCP connections, send UDP packets, listen on arbitrary TCP and UDP ports, do port scanning, and deal with both IPv4 and IPv6. Unlike telnet(1), nc scripts nicely, and separates error messages onto standard error instead of sending them to standard output, as telnet(1) might do with some.

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

Install netcat 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 netcat using dnf by running the following command:

sudo dnf -y install netcat

Install netcat 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 netcat using yum by running the following command:

sudo yum -y install netcat

How To Uninstall netcat on Rocky Linux 8

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

sudo dnf remove netcat

netcat Package Contents on Rocky Linux 8

/usr/bin/nc
/usr/bin/netcat
/usr/lib/.build-id
/usr/lib/.build-id/06
/usr/lib/.build-id/06/737faa5a193db25732287439cc458b126f4a76
/usr/share/man/man1/nc.1.gz
/usr/share/man/man1/netcat.1.gz

References

Summary

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