bash-3.1# ./bin/virtuoso-start.sh
Starting Virtuoso instance in [database]

bash-3.1# ps aux | grep virtu
root     11379 34.9  9.4 333412 164892 ?       Ssl  14:07   0:31 ./virtuoso +wait
root     11400  0.0  0.0   4140   648 ttyp0    S+   14:08   0:00 grep virtu

bash-3.1# nmap -sS localhost

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2007-11-03 14:09 EDT
Interesting ports on localhost.localdomain (127.0.0.1):
Not shown: 1679 closed ports
PORT   STATE SERVICE
22/tcp open  ssh

Nmap finished: 1 IP address (1 host up) scanned in 0.103 seconds