Prerequisites

Update and upgrade your system packages;

apt update
apt upgrade

Install LAMP Stack on Ubuntu 20.04 by following the link below;

Install other required PHP Modules;

apt install php-gd php-mail php-mail-mime php-mysql php-pear php-db php-mbstring php-x

Install and Configure FreeRADIUS on Ubuntu 20.04

Installing FreeRADIUS

Once all the prerequisites above are met, proceed to install FreeRADIUS on Ubuntu 20.04. FreeRADIUS 3.0.x is the latest stable release versions as of this writing and are available on the default Ubuntu 20.04 repos.

To install FreeRADIUS and other FreeRADIUS utilities including MySQL database backend utilities on Ubuntu 20.04, execute the command below; Continue reading →