(BeagleBoneBlack)ubuntu@localhost:~$ sudo netstat -ntlp
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      823/sshd
tcp6       0      0 :::22                   :::*                    LISTEN      823/sshd
tcp6       0      0 :::4200                 :::*                    LISTEN      826/snappyd
tcp6       0      0 :::8081                 :::*                    LISTEN      3451/system-status