To start the gatekeeper as the unpriviledged ${GNUGK_ID} user, as root:

 install -d -o _gnugk /var/run/gnugk
 ${PREFIX}/bin/gnugk -c /etc/gnugk.ini -u _gnugk \
	-o /var/log/gnugk/gnugk.log --pid /var/run/gnugk/gnugk.pid >/dev/null &
