How to Install Oracle 12c R2 Database on CentOS 7 64-bit GNU/Linux Step-by-Step Easy Guide

May 9, 2018 | By thelinuxevangelist | Filed in: Tutorial.

Installing Oracle 12c R2 Database on CentOS 7 Linux

The Linux Tutorial Shows You Step-by-Step How-to Install Oracle 12c R2 Database for CentOS 7.x x8664 GNU/Linux Desktop/Server.

This is also the Easiest Way to Step Into a Fully Functional Oracle 12c R2 Database Linux Cloud Computing Installation Infrastructure.

A Quick and Dirty Guide to Jump Start on Oracle 12c R2 Database for the Impatiens, because after all after you will have always the Time to Refine and Adjust the SetUp Following Oracle Best Practices…

The Only Hard Requirements to Take Into Account Before Installation are to Dispose At Least Of:

1 Gb of RAM
6 Gb of Drive Space

First Step is to Enable the Oracle Repo and Install the Pre-Install RPM Package Need for the Proper Oracle 12c R2 Database Installation.

The Tutorial Include All the Essentials Screenshots Helping in Visualizing the Oracle 12c R2 Database Installation CentOS Linux 7.

Install Oracle 12c R2 Database CentOS 7 Linux - Featured

With more than 500 new features, Oracle Database 12c is designed to give Oracle customers exactly what they need for Cloud Computing, Big Data, Security, and Availability.

The Best Oracle 12c R2 Database New Features:

Plug Into the Cloud with Multitenant
Automatic Data Optimization and Advanced Compression
Enhanced Maximum Availability
Enhanced Database Security

Open a Shell Session or Terminal Emulator Window
(Press “Enter” to Execute Commands)
How-to Install Oracle Pre-Install RPM for CentOS 7.X:

Installing Oracle Pre-Install RPM

Pre-install rpm Setup for CentOS 7.X.
Double-Click or Right-Click on Archive and Extract into /tmp

Or From Command Line:
```
unzip -d /tmp linuxamd64_12c_database*.zip
```
Set DB Directory Permissions
```
chown -R oracle:oinstall /tmp/database
```
Login as “oracle” User
```
su oracle
```
Run the Installation Script
```
chmod -R +x /tmp/database
```
```
/tmp/database/runInstaller
```
If Got Display Not Set or For Any Issue Encountered Look:

Oracle 12c DB Troubleshooting

Troubleshooting Oracle 12c
Then Simply Follow the Installation WorkFlow

If you Do Not Dispose of a Subcription Uncheck Security Updates and leave Blank Support Password and Pursue!

Then Choose “Install Software Only”!

On “Installation Options” Choose if a “Single Instance” like here or instead a “Cluster”.

Then Choose the “Enterprise Edition”

Select the Installation Location.

Again for the OraInventory.

Next Confirm the Installation Groups.

Review the “Summary” and Eventually take a Copy.

Finally, Click on “Install” to Start Installation Process

Then Run the Configuration Scripts for Oracle 12c R2 Database
```
sudo su
```
```
/u01/app/oraInventory/orainstRoot.sh
```
```
/u01/app/oracle/product/12/dbhome_1/root.sh
```
```
exit
```
And Finally the Installation Should be Achieved Successfully!
How-to Create and Start the Oracle 12c R2 Database

Oracle 12c Create Database

Make Oracle Db

So Now Thanks to the Oracle Corporation You Should Finally Fully Dispose of a Oracle 12c R2 Database Installation CentOS Linux ;)