nut-cgi

apt-get install nut-cgi

For dedicated nut host set apache2 default root:

<VirtualHost *:80>
  DocumentRoot /usr/share/nut/www/
...

MONITOR UPS3000XL@localhost "Smart-UPS 3000 XL"

a2enconf serve-cgi-bin
a2enmod alias cgid

apachectl configtest
apachectl graceful