Go to www.sixxs.net and get a free account.
Copy ${PREFIX}/share/examples/sixxs-heartbeatd/heartbeat.conf to
${SYSCONFDIR} and insert your account data.

You can start the daemon:
/usr/local/sbin/sixxs-heartbeatd ${SYSCONFDIR}/heartbeat.conf

Add the following to the /etc/rc.local script to start the daemon on boot:

if [ -x ${PREFIX}/sbin/sixxs-heartbeatd -a -f ${SYSCONFDIR}/heartbeat.conf ]; then
	echo -n ' sixxs-heartbeatd'
	${PREFIX}/sbin/sixxs-heartbeatd ${SYSCONFDIR}/heartbeat.conf
fi

