Installing Oracle XE 11g Database on Redhat 5.6 / Linux 64 bit

Recently Oracle has announced the Beta release of Oracle Express Edition (XE) 11g. Below is the step by step process for the installation of Oracle XE 11g database on Linux x86-64 machine.

Installation of Oracle XE 11g is pretty straight forward process and all step by step installation steps are included here in this tutorial. All XE version of oracle are very easy to install and configure while you are in development mode.

Oracle XE 11g Installation steps :

1. You can download the most recent version of Oracle XE 11g database by refering the details on http://www.oracle.com/technetwork/database/express-edition/overview/index.html.
2. This installation will require minimum of 1.5 GB of RAM, so please make sure you have required space available on your machine.
3. Swap space required is 2 GB or twice the size of RAM. Whichever is less.
1. To check current you can run command swapon -s on shell.
4. And to start the installation it requires root permission on linux box.
5. execute the below command to install the Oracle XE 11g 
6. Oracle does not provide a way to install Oracle XE 11g on particular directory. It will install it directly on root /u01 but if you want to install this on directory of your choice use my post Hacker's choice.
7. rpm -ivh oracle-xe-11.2.0-0.5.x86_64.rpm below is the command with output
8.  rpm -ivh oracle-xe-11.2.0-0.5.x86_64.rpm
   Preparing...                ########################################### [100%]
      1:oracle-xe              ########################################### [100%]
   Executing post-install steps...
   
   You must run '/etc/init.d/oracle-xe configure' as the root user to configure the database.
   
9. Execute below command to configure Oracle XE 11g database.
   

   $ /etc/init.d/oracle-xe configure

10. It will ask for HTTP Port , database listener port, and password for the database which will be used for SYS and SYSTEM. Below is the complete installation output.
11. --> /etc/init.d/oracle-xe configure
    
    Oracle Database 11g Express Edition Configuration
    -------------------------------------------------
    This will configure on-boot properties of Oracle Database 11g Express
    Edition.  The following questions will determine whether the database should
    be starting upon system boot, the ports it will use, and the passwords that
    will be used for database accounts.  Press to accept the defaults.
    Ctrl-C will abort.
    
    Specify the HTTP port that will be used for Oracle Application Express [8080]:
    
    Specify a port that will be used for the database listener [1521]:
    
    Specify a password to be used for database accounts.  Note that the same
    password will be used for SYS and SYSTEM.  Oracle recommends the use of
    different passwords for each database account.  This can be done after
    initial configuration:
    Confirm the password:
    
    Do you want Oracle Database 11g Express Edition to be started on boot (y/n) [y]:
    
    Starting Oracle Net Listener...Done
    Configuring database...Done
    Starting Oracle Database 11g Express Edition instance...Done
    Installation completed successfully.
    
     
12. Now start the Oracle XE 11g database by using below command
13. --> /etc/init.d/oracle-xe start
14. If you want to stop command is --> /etc/init.d/oracle-xe stop

    Uninstalling the Oracle XE 11g #

    --> rpm -qa | grep oracle 

    --> rpm -e oracle-xe