ubuntu@cube:~$ sudo netstat -tulpn
[sudo] password for ubuntu:
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      944/sshd
tcp6       0      0 :::80                   :::*                    LISTEN      1042/apache2
tcp6       0      0 :::22                   :::*                    LISTEN      944/sshd
tcp6       0      0 ::1:8888                :::*                    LISTEN      6795/php
udp        0      0 0.0.0.0:68              0.0.0.0:*                           854/dhclient
ubuntu@cube:~$