To start the gatekeeper as the unpriviledged _gnugk user, as root:

 install -d -o _gnugk /var/run/gnugk
 /usr/local/bin/gnugk -t -c /etc/gatekeeper.ini -u _gnugk \
	-o /var/log/gnugk/gnugk.log --pid /var/run/gnugk/gnugk.pid 1> /dev/null &
