Go to www.sixxs.net and get a free account.
Edit /etc/aiccu.conf and insert your account data.

You can start the daemon like this:
/usr/local/sbin/aiccu start

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

if [ -x /usr/local/sbin/aiccu -a -f /etc/aiccu.conf ]; then
        echo -n ' aiccu'
        /usr/local/sbin/aiccu start
fi
