or download this
# sudo -u www sudo /usr/local/www/cgi-bin/ntop/ntop.sh stop
ntopbsd# sudo -u www sudo /usr/local/www/cgi-bin/ntop/ntop.sh start
ntopbsd# ps aux | grep ntop
root 2904 0.0 20.5 30424 25136 ?? Rs 12:14AM 0:00.05 /usr/l
+ocal/bin/ntop -d -L --set-pcap-nonblocking --skip-versi
root 2906 0.0 0.2 352 208 p2 R+ 12:14AM 0:00.00 grep n
+top