netstat -ntpl
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      2224/mysqld         
tcp        0      0 0.0.0.0:6543                0.0.0.0:*                   LISTEN      4638/mythbackend    
tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1920/rpcbind        
tcp        0      0 0.0.0.0:6544                0.0.0.0:*                   LISTEN      4638/mythbackend    
tcp        0      0 0.0.0.0:631                 0.0.0.0:*                   LISTEN      2490/cupsd          
tcp        0      0 127.0.0.1:25                0.0.0.0:*                   LISTEN      2281/sendmail: acce 
tcp        0      0 :::80                       :::*                        LISTEN      2309/httpd          
tcp        0      0 :::22                       :::*                        LISTEN      2123/sshd           
tcp        0      0 :::631                      :::*                        LISTEN      2490/cupsd          
tcp        0      0 :::23                       :::*                        LISTEN      2123/sshd           
tcp        0      0 :::443                      :::*                        LISTEN      2309/httpd