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Ok. How to install oracle 10g ( oracle xe – express) on cent os 4.3

First download centos from http://centos.org . it is clone of Redhat enterpise linux vr 4. install it ( For oracle 10 G no need to install GUI (xwindows ….) So remove all gui realted packages while install (this step reduces installation size,time,increases available Ram.

For oracle 10g make sure that your box having at least 512 MB ram. Ok later just follow the following steps.

source

http://www.oracle.com/technology/software/products/database/xe/files/install.102/b25144/toc.htm

1. If you downloaded the oracle-xe-univ-10.2.0.1-1.0.i386.rpm executable, you would enter this command:

   $ rpm -ivh downloads/oracle-xe-univ-10.2.0.1-1.0.i386.rpm

   The installation displays a status of its progress.

2. When prompted, run the following command:

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

3. Enter the following configuration information:
   • A valid HTTP port for the Oracle Database XE graphical user interface (the default is 8080)
   • A valid port for the Oracle database listener (the default is 1521)
   • A password for the SYS and SYSTEM administrative user accounts
   • Whether you want the database to start automatically when the computer startsIf you enter Yes, then the database starts immediately

If you need to change the configuration settings, then you can do so by running the following command:

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

To start the database manually, run this command:

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

To stop the database manually, use the following command:

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