Install freeradius-config by entering the following commands in the terminal:
sudo apt update sudo apt install freeradius-config
Description:
FreeRADIUS default config files
freeradius-config contains the default configuration for FreeRADIUS. . You can install a custom package which sets "Provides: freeradius-config" in order to use the FreeRADIUS packages without any default configuration getting into your way.
Homepage: http://www.freeradius.org/
Version: 3.0.16+dfsg-1ubuntu3
Section: net