A simple RADIUS server for MAC-authentication.
# standard build
make
# build for mipsel (eg. UniFi EdgeRouter X)
make mipsel
cp src/radius-mac /usr/bin
# add systemd service
cp config.ini /etc/radius-mac.ini
cp radius-mac.service /etc/system/systemd/
systemctl daemon-reload
systemctl start radius-mac.service
# enable at boot
systemctl enable radius-mac.service