If you know the port at which that service runs then issue the following command
[vijayan@boarddown-dr ~]$ netstat -an | grep LISTEN | grep 80
tcp 0 0 0.0.0.0:807 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:5801 0.0.0.0:* LISTEN
tcp 0 0 :::80 :::* LISTEN
To know which process id owns this port
[vijayan@boarddown-dr ~]$ sudo /sbin/fuser 80/tcp
80/tcp: 25529 25530 25531 25532 25533 25534 28522
To know which executable/script runs on that process id
[vijayan@boarddown-dr ~]$ ps -lfwwwwwp 25529
F S UID PID PPID C PRI NI ADDR SZ WCHAN STIME TTY TIME CMD
5 S root 25529 1 0 75 0 - 953 - Feb17 ? 00:00:00 /home/vijayan/dev/Apache2/bin/httpd -k start
