$ freeradius -v
radiusd: FreeRADIUS Version 3.0.19, for host x86_64-pc-linux-gnu, built on Aug 21 2019 at 15:11:40
FreeRADIUS Version 3.0.19
Copyright (C) 1999-2019 The FreeRADIUS server project and contributors
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License
For more information about these matters, see the file named COPYRIGHT