To install NUT on debian/ubuntu machines

apt-get install nut

install the standard nut from
http://random.networkupstools.org/

sudo cp /usr/local/ups/bin/mustek /lib/nut/

sudo su
cd /usr/local/ups/bin
cp upsc upslog upsrw upscmd /bin
cp upsdrvctl /sbin

cd /usr/local/ups/sbin
cp upsmon upssched /sbin

vi /usr/share/doc/nut/README.Debian.gz
To see step by step instructions