Install freeradius-iodbc by entering the following commands in the terminal:
sudo apt update sudo apt install freeradius-iodbc
Description:
iODBC module for FreeRADIUS server
The FreeRADIUS server can use iODBC to access databases to authenticate users and do accounting, and this module is necessary for that.
Homepage: http://www.freeradius.org/
Version: 3.0.16+dfsg-1ubuntu3
Section: universe/net