A) Enable httpd web server

B) Install ntop dependencies

1) Install RRDTool via sbopkg

2) Install Graphviz via sbopkg

3) Install GeoIP via sbopkg

C) Install and configure ntop

1) Add ntop user and group

   groupadd -g 212 ntop
   useradd -u 212 -g ntop ntop

2) Install ntop via sbopkg

3) Make rc.ntop executable

   chmod 755 /etc/rc.d/rc.ntop

4) Set ntop admin password

   /usr/bin/ntop -P /var/lib/ntop -u ntop -A

5) start ntop

   /etc/rc.d/rc.ntop start

You should be able to browse to http://ntopmachine:3000 and it should be working.