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Check unused ports in a given range and assign an open one

 
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Old 01-08-2017
Check unused ports in a given range and assign an open one
Hi. I need to add code to my KSH script to automatically assign an open port number from a pre-defined range to an Oracle listener.

Should I use:
Code:
lsof -i

or
Code:
netstat -vatn

or something else?

Thanks.
 
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LEARN ABOUT SUNOS

asadmin-delete-iiop-listener

asadmin-delete-iiop-listener(1AS)				   User Commands				 asadmin-delete-iiop-listener(1AS)

NAME

       asadmin-delete-iiop-listener, delete-iiop-listener - removes the IIOP listener

SYNOPSIS

       delete-iiop-listener --user admin_user [--password admin_password] [--host localhost] [--port 4848] [--secure|-s] [--passwordfile filename]
       [--terse=false ] [--echo=false ] [--interactive=true ] listener_ID

       Removes the IIOP listener. This command is supported in remote mode only.

OPTIONS

       --user		       authorized domain application server administrative username.

       --password	       password to administer the domain application server.

       --host		       machine name where the domain application server is running.

       --port		       port number of the domain application server listening for administration requests.

       --secure 	       if true, uses SSL/TLS to communicate with the domain application server.

       --passwordfile	       file containing the domain application server password.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script. Default is false.

       --echo		       setting to true will echo the command line statement on the standard output. Default is false.

       --interactive	       if set to true (default), only the required password options are prompted.

OPERANDS

       listener_id	       unique identifier for the IIOP listener to be deleted.

       Example 1: Using delete-iiop-listener

       asadmin> delete-iiop-listener --user admin --password adminadmin
       --host fuyako --port 7070 sample_iiop_listener
       Command delete-iiop-listener executed successfully

       Where: sample_iiop_listener is the IIOP listener deleted.

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-create-iiop-listener(1AS), asadmin-list-iiop-listeners(1AS)

J2EE 1.4 SDK							    March 2004					 asadmin-delete-iiop-listener(1AS)