Oracle Enterprise Linux 6.8 (Installation and Configuration)

Updated: Feb 20

Oracle Linux 6.8 Installation

This article provides a pictorial guide for performing a default installation of Oracle Linux 6.8 to install the Oracle 12c database and forms reports application on the Linux platform.


* Basic Installation

* Network setup

* Firewall Setting

* Group Creation

* User Creation

* SELinux

* Yum configuration

Basic Installation

1. Boot from the DVD. At the boot screen, press the "Enter" key.

2. Press the "tab" key to move focus to the "Skip" key, then press the "Enter" key to continue.

3. On the "Welcome" screen, click the "Next" button.

4. Select the appropriate language, then click the "Next" button.

5. Select the relevant keyboard setting, then click the "Next" button.

6. Select the storage option necessary for the installation, then click the "Next" button.

7. Click the "Yes, discard any data" button on the disk initialization warning dialog.

8. Enter a fully qualified hostname and click next.

9. Select the relevant time zone by clicking on your nearest city on the map. Click on the "Next" button to proceed.

10. Enter a root password for the server, then click the "Next" button to proceed.

11. Click on use Anyway and then click on the "Next" button.

12. Select “create a custom Layout” and click on the Next button.

13. Create partition Select standard partition and click on create button.

14. Click on create and choose standard partition.

15. create all partitions as per requirement.

16. click on format.

17. click on Write changes to disk

18. check on install boot loader on /dev/sda and click on the Next button

19. mark check on all in the desktop group.

20. choose the required packages as shown in the above screenshot.

Click on Next

21. Click on reboot.

AFTER REBOOT

22. after reboot select date and set time.

23. Do not create a user without a group so click forward.

24. Click on Forward to finish the setup.

25. Choose to connect later.

26. Choose NO, I prefer to register at a later time. And click on forward.

27. Choose Yes, I agree to the License Agreement and click on forward.

28. Click on forward to complete the os installation.

NETWORK SETUP

We will use GUI for network setup

Right-click on the network icon in the top right corner.

You may delete and recreate connections or edit the connection.

Click on delete

Now click on Add and choose wired and click on create

Select IPV4 Setting and choose Method MANUAL and change connection name it is optional.

Click on Add and enter the details ip details.

After entering details click on apply

Click on Close

Now left-click on the network icon and click on the connection name to connect.

You may check ip details using ifconfig command

Firewall Setting

To check firewall status run below command

service iptables status

To stop firewall use below command

service iptables stop

After every restart firewall will automatically get enabled to restrict this use below command.

chkconfig iptables off

GROUP AND USER CREATION

Create a group using the below commands.

Groupadd -g 511 oinstall

Groupadd -g 512 dba

Groupadd -g 513 oper

After creating groups create a user for database oracle and for forms reports application weblogic

Use the below commands to add a user to the above-created groups.

Useradd -u 511 -g oinstall -G dba, oper weblogic

Useradd -g oinstall -G dba, oper oracle

Set password for created users using the command (passwd username)

SELinux

Set SELinux to "permissive" by editing the "/etc/selinux/config" file, making sure the SELINUX flag is set as follows.

SELINUX=permissive

Once the change is complete, either restart the server or run the following command as "root".

# setenforce Permissive

yum configuration

Login as root


cd /media/Ole....or Rhel../Packages

Type below import rpm commands that will help us to create a repo and configure the repos.

rpm -ivh vsftpd* (click tab then enter)

rpm -ivh deltarpm (click tab then enter)

rpm -ivh python-deltarpm-3 (click tab then enter)

rpm -ivh createrepo-0 (click tab then enter)

Then copy Packages directory to /var/ftp/pub

cd ..

cp -rp /Packages /var/ftp/pub

then go the copied directory in Packages

cd /var/ftp/pub/Packages

Then go to the directory for creating repo file

cd /etc/yum.repos.d

Then rename the public-yum-ol6.repo to public-yum-ol6.repo.d using below command.

mv public-yum-ol6.repo public-yum-ol6.repo.d

Then type vi yum.repo

It will create a file we have to enter below lines in this file and then save this file with :wq

copy below lines in yum.repo

[Packages]

name=Packages

baseurl=file:///var/ftp/pub/Packages

gpgcheck=0

enabled=1

Then create repo using below command

createrepo -v /var/ftp/pub/Packages

Now install the required packages of yum for database or for the application using the root user.

Document Created by – Abhishek Jha

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