Getting Started with FreeRADIUS on Ubuntu 20.04 – Step-by-Step Setup Tutorial
In this video, we’ll install and configure FreeRADIUS on Ubuntu 20.04, step-by-step — perfect for beginners, students, and network engineers preparing for certifications like CCNA, CCNP, or Network+.
🔹 What you’ll learn:
– How to install FreeRADIUS and utilities on Ubuntu
– Directory structure & key configuration files
– How to add a test user in the users file
– Testing authentication using radtest
– Running FreeRADIUS in debug mode for troubleshooting
🧠 FreeRADIUS is one of the most widely used open-source RADIUS servers for network authentication, authorization, and accounting. Understanding how it works will help you in enterprise network setups, Wi-Fi authentication, and 802.1X deployments.
⚙️ Commands Used in This Video:
sudo apt update
sudo apt install freeradius freeradius-utils -y
ls /etc/freeradius/3.0/
sudo nano /etc/freeradius/3.0/users
tester Cleartext-Password := "123456"
sudo systemctl restart freeradius
radtest tester 123456 localhost 0 testing123
sudo systemctl enable freeradius
sudo systemctl status freeradius
sudo freeradius -X