Glassfish - Application Server

What is JNDI?
The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and objects via a name. 

File Structure:

/

 - /root

 - /home/glassfish

Commands:

cd ~ -> /root

cd ~glassfish -> /home/glassfish

cd home (and then) cd glassfish -> /home/glassfish

Start/restart/stop-server

[ec2-user@ip-10-195-17-79 ~]$ sudo su -

[root@ip-10-195-17-79 ~]# cd ~glassfish

[root@ip-10-195-17-79 glassfish]# su glassfish

[glassfish@ip-10-195-17-79 ~]$ cd /usr/share/glassfish3/bin

[glassfish@ip-10-195-17-79 bin]$ ls

asadmin  asadmin.bat  pkg  pkg.bat  updatetool  updatetool.bat

[glassfish@ip-10-195-17-79 bin]$ ./asadmin

Use "exit" to exit and "help" for online help.

asadmin> start-domain

Waiting for domain1 to start .....

Or

[ec2-user@ip-10-195-17-79 ~]$ sudo su -

[root@ip-10-195-17-79 ~]#service glassfish start

shut down
[ec2-user@ip-10-195-17-79 ~]$ sudo service glassfish stop  //have to add glassfish as a service first. POdcast 12.


Got a problem that I cannot ping the Postgres DB from Glassfish.
Solution: restart glassfish to load the new-downloaded JDBC.

Creating a Connection Pool to PostgreSQL on Glassfish V3

http://www.hildeberto.com/2010/02/creating-connection-pool-to-postgresql.html

The Java Naming and Directory Interface (JNDI) is a Java API for a directory service that allows Java software clients to discover and look up data and objects via a name.

Application in glassfish can use this Name to access to Database.