Install libfreeradius3 by entering the following commands in the terminal:
sudo apt update sudo apt install libfreeradius3
Description:
FreeRADIUS shared library
The FreeRADIUS projects' libfreeradius-radius and libfreeradius-eap, used by the FreeRADIUS server and some of the utilities.
Homepage: http://www.freeradius.org/
Version: 3.0.16+dfsg-1ubuntu3
Section: net