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Step by Step How to Install Oracle Enterprise Linux (OEL 7) on Virtual Box
Installing Oracle Enterprise Linux 7 for Oracle RAC Installation
Click here To know how to download Software
Click here To know more about how to create a Virtual Machine Using Oracle Virtual Box
Step1: Create and Configure Virtual Machine
Create and Configure your virtual machine following the steps described in how-to-create-new-virtual-machine-with. Check Step 9 in this post to select the Installation Source ISO Image and then Power On your virtual machine to boot it from OEL7 iso Image
Step2:Just wait for the Next Screen
Step3:Click Continue
Step4: Customize the Installation
This is the Screen where you can choose and customize various Options / Packages before you proceed for the Installation
Step5: Select appropriate region and time
Click on LOCALIZATION and select appropriate Region , City, Time Format and Date and click done
Step6: Configuring partitions
On this Screen select "I will configure partitioning " and click done
Step7: Creating Partitions
Create following partitions
/ 15 GB
/boot 1 GB
/swap 5 GB
/tmp 5 GB
/u01 25 GB
Click done once you are happy with the required partitions. You can customize partitions according to your requirements and available space
Step8: Finalizing Partition Creation
Click Accept changes to proceed further
Step9: Networking Configuration
On this page configure IP addresses for available NIC.
Note:-Since I will use this Server for Oracle RAC Installation I have 2 NIC. Eth0 (enp0s3) I will use for public Network and eth1 (enp0s8) I will use for private interconnect
- Select the NIC Card you want to configure and click configure
- On General Tab ensure "Automatically connect to this Network when it is available " is checked.
- "All user may connect to this Network " is checked
- Go to tab IPV4 Settings. Click add and enter desired IP address and net mask. In my case it is 192.9.1.100 and Mask is 255.255.255.0
- Leave the DNS Server and Search Domain Field empty
- Go to IPV6 Settings tab and choose ignore from the drop down list
- Click Save.
Step10: Configuring 2nd NIC
Select the 2nd NIC and configure it for Private Interconnect similarly as described in step 9 and click save
I am using IP 10.0.0.1 and Net mask 255.0.0.0 for private Interconnect
Enter the hostname (node1.oracle.com in my case) and click apply.
Click done
Step11:Software Selection
Choose "Software Selection" link and pick the following options if you want a GUI console.
- Base Environment > Server with GUI
- Add-Ons for Selected Environment > Compatibility Libraries
- Add-Ons for Selected Environment > Development Tools
Once you have completed your selections, click the "Done" button.
Step 12: Start Installation
Once you have completed your alterations to the default configuration, click the "Begin Installation" button.
On this Screen you can set the root Password and also you can create a New user
Step13: Reboot The Machine after Installation
Once the Installation is completed click on Reboot Button
Step14:Accepting License Agreement
On this Screen click License Information link and accept the license. Create New user if you have not created so far
Once you are done click on Finish Configuration
Step15:
Follow the Steps to adopt the language and so on.......
Step16: Disable SELinux
Disable SELinux
- disabled or switched to permissive. To do this edit the "/etc/selinux/config" file, making sure the SELINUX flag is set as follows.
SELINUX=disabled
Step16: Disable Firewall
Disable Firewall
- If the OS is to be used for an Oracle installation, it is easier if the firewall is disabled. This can be done by issuing the following commands from a terminal window as the "root" user.
# systemctl stop firewalld # systemctl disable firewalld
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