How to install telnet command in RHEL 8 / CentOS 8

Telnet command is a valuable tool for any network or system administrator. It allows for troubleshooting and manipulation of various services.

The telnet package is not installed by default on RHEL 8 / CentOS 8 server but can be easily installed by using the dnf command.

In this tutorial you will learn:

• How to install Telnet on RHEL 8 / CentOS 8.
• How to use telnet command to connect to a specific port.

Software Requirements and Conventions Used

Software Requirements and Linux Command Line Conventions

Category	Requirements, Conventions or Software Version Used
System	RHEL 8 / CentOS 8
Software	N/A
Other	Privileged access to your Linux system as root or via the sudo command.
Conventions	# - requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command $ - requires given linux commands to be executed as a regular non-privileged user

How to install telnet command in RHEL 8 / CentOS 8 step by step instructions

1. Use the dnf command to install the telnet package:

   # dnf install telnet
   

2. Use the telnet command to connect to a host with the IP address 8.8.8.8 on port 53:

   $ telnet 8.8.8.8 53