sudo netstat -tlnp

By OK -
ubuntu@ubuntu:/usr/local/sbin$ sudo netstat -tlnp 
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:37505           0.0.0.0:*               LISTEN      861/rpc.statd   
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      2518/mysqld     
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      809/rpcbind     
tcp        0      0 127.0.1.1:53            0.0.0.0:*               LISTEN      1052/dnsmasq    
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      22727/cupsd     
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN      2107/master     
tcp        0      0 192.168.40.128:8282     0.0.0.0:*               LISTEN      1859/haproxy    
tcp        0      0 192.168.40.128:8282     0.0.0.0:*               LISTEN      1859/haproxy    
tcp6       0      0 :::56555                :::*                    LISTEN      861/rpc.statd   
tcp6       0      0 :::111                  :::*                    LISTEN      809/rpcbind     
tcp6       0      0 :::80                   :::*                    LISTEN      5428/apache2    
tcp6       0      0 :::4949                 :::*                    LISTEN      1038/perl       
tcp6       0      0 ::1:631                 :::*                    LISTEN      22727/cupsd     
tcp6       0      0 :::25                   :::*                    LISTEN      2107/master     

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