Beaglebone Ubuntu (kill default server on port 80)

Hi I have on my beaglebone Ubuntu distribution from
http://elinux.org/BeagleBoardUbuntu#Demo_Image
By default it has a server running on port 80, how can I kill it?

Regards

completely kill (and remove it completely):
sudo apt-get remove apache2

to just stop:
sudo /etc/init.d/apache2 stop

Regards,