Open Virtual Box And Click New ICON. It will open a Pop Up Box on which Enter the Details of the Following

• Name: {Name of the Desired VM}
• Folder: {Folder location where you need to Create the VM]
• ISO Image: {ISO File of OEL 7.9}
• Also, Click the Check Box of “Skip Unattended Installation”

Now Click NEXT

Now Enter the Following Details:

• Base Memory: {16GB} (As I have Mentioned Before I will configure it on 16gb which is Recommended)
• Processors: {4}

Now Click Next

Now in this Step, we will Create a Virtual Hard Disk. As mentioned Before I will be allocating 250 GB size to this disk for Operating System and Staging Area.

Note: If you have a Limitation of Space you can allocate 110 GB for this Hard Disk.

After this Click Next and Then Click Finish to Create a Virtual Machine for Further Configuration

As I have to Install Oracle Apps R12.2.12  in this Linux Virtual Machine, I will add an additional 300 GB Hard Disk for the Application File System and Database.

So for adding one more Hard Disk, we will go in the Settings of the created Virtual Machine by Clicking Settings of this Virtual  Machine.

Once The Settings Box opens, go to the Storage TAB and Click on

+ Hard Disk Button as shown in the Picture.

Now Click Create Button to Open a Virtual Hard Disk Creation Wizard

Click Next

Click Next

After Entering the Desired Value of the Hard Disk to Be Created, then Click Finish

Now as You Can See the Drive that we created in Above Steps is in “Not Attached” Condition. Click This “Hard Disk”  and Click “Choose” as Shown In the Picture Below

As you can see we are Having 2 Hard Disks in this Virtual Machine that we Created. Click OK to Continue Further

Now Start the Newly Configure VM to Install the OEL 7.9

Now New Window Will Pop Up Running the Installer for OEL 7.9. 

Click in this Window and select “Install Oracle  Linux 7.9” with arrow keys on the keyboard and Press ENTER.

Oracle Enterprise Linux 7.9 Installation Process

Click Continue

Click “DATE & TIME ” to configure Timezone

Click Done After Configuring Region Timezone

Now Click “SOFTWARE SELECTION”

Select the Following from the List 

Base Environment

• Server With GUI

Add-Ons For Selected Environment

• DNS Name Server
• FTP Server
• File and Storage Server
• Hardware Monitoring Utilities
• Compatibility Libraries
• Development Tools
• System Administration Tools

Now Click “INSTALLATION DESTINATION”

Select the following options in the picture and Click DONE to open Hard Disk Configuration

Click “Click here to create them automatically”

Alter the Size of the Partitions as per the picture given below  or according to your desired values and Click Done

Click “Accept Changes” to Create the Partitions

Note: We will Configure the Other added Virtual Hard Disk After OS Installation

Click “NETWORK & HOST NAME” for the configuration of the Network

Enter the Required Info as given in the Picture and then Click Configure

Go to IPv4 Settings Tab and then

1: Select Manual

2: Click Add to add IP address Details

3: Add IP Address and DNS Details for Internet Connectivity.

4. Click Save

Click Ethernet to ON and Click Done

Now Click “Begin Installation” for starting the Installation Process

Installation Process Start, click Root Password to Set Password of ROOT User

Enter the Password for ROOT User and Click Done

Click the Reboot Button Once the Installation Completes

After Reboot, Click “LICENSE INFORMATION”

Accept the License and Click Done

Click “FINISH CONFIGURATION”

Click Next

Click Next after Disabling the Location Services

Click Skip

Click Next After Entering The Following Information in the Picture. This will Create an Account Other than ROOT User.

Set Password for the User and Click Next

Click “Start Using Oracle Linux Server”

Oracle Virtual Box Guest Addition RPM Installation Process

Now We will Install the Virtual Box Guest Addition RPM. For This Insert the Guest Additions CD Image as shown in the Picture 

Click Run

Enter The Password of the user to continue the Installation Process

Click Enter to Close the Window.

Reboot After the installation.

Configure Another Virtual Hard Disk Process

As a reminder, during the Linux configuration on Virtual Box, we included two virtual hard disks. However, during the Linux installation process, we only configured one of the virtual hard disks. Now, it is time to configure the remaining virtual hard disk.

To display the available disks, open the terminal as the root user and enter the command “fdisk -l”. This will provide a list of the disks that are currently accessible.

[root@test1 ~]# fdisk /dev/sdb

Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.

Be careful before using the write command.

Device does not contain a recognized partition table

Building a new DOS disklabel with disk identifier 0xdc621a1b.

Command (m for help): c

DOS Compatibility flag is set (DEPRECATED!)

Command (m for help): u

Changing display/entry units to cylinders (DEPRECATED!).

Command (m for help): p

Disk /dev/sdb: 322.1 GB, 322122547200 bytes, 629145600 sectors

255 heads, 63 sectors/track, 39162 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk label type: dos

Disk identifier: 0xdc621a1b

   Device Boot      Start         End      Blocks   Id  System

Command (m for help): n

Partition type:

   p   primary (0 primary, 0 extended, 4 free)

   e   extended

Select (default p): p

Partition number (1-4, default 1): 

First cylinder (1-39162, default 1): 1

Last cylinder, +cylinders or +size{K,M,G} (1-39162, default 39162):

Using default value 39162

Partition 1 of type Linux and of size 300 GiB is set

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@test1 ~]# /sbin/mkfs.ext4 -L /u01 /dev/sdb1

mke2fs 1.42.9 (28-Dec-2013)

Filesystem label=/u01

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

Stride=0 blocks, Stripe width=0 blocks

19660800 inodes, 78642183 blocks

3932109 blocks (5.00%) reserved for the super user

First data block=0

Maximum filesystem blocks=2227175424

2400 block groups

32768 blocks per group, 32768 fragments per group

8192 inodes per group

Superblock backups stored on blocks:

               32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,

               4096000, 7962624, 11239424, 20480000, 23887872, 71663616

Allocating group tables: done                            

Writing inode tables: done                           

Creating journal (32768 blocks): done

Writing superblocks and filesystem accounting information: done

[root@test1 ~]# mkdir /u01

[root@test1 ~]# mount /dev/sdb1 /u01

Now, edit the fstab file to automatically mount this partition on REBOOT.

[root@test1 ~]# vi /etc/fstab

/dev/sdb1               /u01                    ext4    defaults        1 2