EasyRSA is a CLI utility to build and manage a PKI CA. Initially
part of the OpenVPN project (www.openvpn.net), now maintained by the
community.

The EasyRSA package and scripts are installed under
/usr/share/easyrsa. They can be copied anywhere else convenient when
they are to be used.

Further instructions for version 3 usage at:
https://community.openvpn.net/openvpn/wiki/EasyRSA3-OpenVPN-Howto
