Oracle Database 11gR2 Installation


Requirements:

–  60GB of Hard disk

–  4GB of RAM

–  2 CPU

Create Group and User:

[root@anar]# groupadd -g 1000 oinstall

[root@anar]# useradd -u 1100 -g oinstall oracle

[root@anar]# passwd oracle

Changing password for user oracle.
New UNIX password: BAD PASSWORD: it is based on a dictionary word Retype new UNIX password:
passwd: all authentication tokens updated successfully.

Create the directories in which the Oracle software will be installed:

[root@anar]# mkdir -p /u01/app/oracle/product/11.2.0/dbhome_1
[root@anar]# chown -R oracle:oinstall /u01
[root@anar]# chmod -R 775 /u01

[root@anar u01]# su – oracle
[oracle@anar]$ cd /u01/database/

Before running ./runInstaller open a new terminal and run xhost + as a root user:

[root@anar u01]# xhost +

access control disabled, clients can connect from any host

Start Installation with runInstaller:

[oracle@anar database]$ ./runInstaller

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Uncheck the Updates box and Click Next

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click yes

Select Skip Updates and click Next

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Select “Create and configure a database” and click Next

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Select “Server Class” and click Next

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Oracle Base: /u01/apps/oracle
Software location: /u01/app/oracle/product/11.2.0/dbhome_1
Database File Location: /u01/app/oracle/oradata
Database Edition: Enterprise Edition (4.5GB)
Character Set: Unicode (AL32UTF8)
OSDBA Group: oinstall
Global Database name: PROD
passwords as you like here I have used “oracle” as password

and Click Next

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Run the Scripts as a root user by opening new terminal

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Run the scripts as shown below
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Oracle Database 11gR2 Installation Completes

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