Security setup for Oracle Enterprise Linux 6.5 on Oracle VirtualBox

Oracle Corporation provides the ability for developers to create a complete development suite on their personal windows desktop or laptop without requiring the expensive equipment for a true production system. This article outlines the process for configuration security for an Oracle Enterprise Linux 6.5 installation in preparation for installation of Oracle 12c RDBMS.
NOTE: This process can be used for most Linux installations, regardless of original company or organization providing the base Linux OS.

The two key security requirements to temporarily remove during installation of most software suites is the firewall and linux se feature.

To disable the Linux firewall perform the following:
1. Logon to the linux VM as the root user and execute the command: “chkconfig iptables off”

login as: root
root@10.30.15.127’s password:

[root@oel65 ~]# chkconfig iptables off
[root@oel65 ~]#
To remove the Linux SE feature, perform the following:

2. Logon to your linux VM as the root user and execute the command: “perl -pi.bak -e ‘s/SELINUX=enforcing/SELINUX=disabled/g’ /etc/selinux/config”.

login as: root
root@10.30.15.127’s password:
[root@oel65 ~]# perl -pi.bak -e ‘s/SELINUX=enforcing/SELINUX=disabled/g’ /etc/selinux/config
[root@oel65 ~]#

3. Issue the command “reboot” for the the changes to take affect
[root@oel65 ~]# reboot
Broadcast message from root@oel65
(/dev/pts/0) at 22:02 …
The system is going down for reboot NOW!
[root@oel65 ~]#

4. This completes the setup of the linux security for Oracle installation.

Larry Catt, OCP

Configuration for Oracle Enterprise Linux install on VirtualBox.
Oracle Corporation provides the ability for developers to create a complete development suite on their personal windows desktop or laptop without requiring the expensive equipment required for a true production system. This article outlines the process of setting up a VirtualBox for a guest Linux OS.

NOTE: This instructions can be used for installing any type of guest OS, just acquire the appropriate ISO or CD for the guest OS you wish to install.
Required files:
ISO V41362-01 – Oracle Enterprise Linux 6.5
1. Logon to your Windows desktop/laptop as an administrator and open Oracle Virtual Box.
2. Select the New button on the tool bar or select Machine ? New from drop down menu.

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3. Enter the Name, Type and Version of your guest OS and select Next.

4. Select the amount of memory you would like to provide to your Guest OS, I would recommend a minimum of 2048M or ¼ of your system memory. Then select the Next button.

5. Under Create Virtual Machine page, add hard drive via the Create a virtual hard drive now selection and select the Create button.

6. At the page Hard drive file type, select VDI (VirtualBox Disk Image) and press the Next button.

7. At the Storage on Physical hard drive button, select Dynamically allocated button and press the Next button.

8. At the File location and size page, I would recommend a minimum of 50GB and press the Create button.

9. The base configuration of your Guest OS is now create, but we still have to load your guest OS ISO or CD for installation of the guest OS. To do this ensure that your new guest OS is highlighted in the left panel of your VirtualBox Control Panel and select the Settings button from the tool bar.

10. At the Settings page, select the storage option from the left panel and select the plus symbol over the desks next to Controller: IDE.

11. At the VirtualBox – Question select the Choose disk button.

12. Navigate to the directory where you are storing your guest OS ISO or DVD and select the file or device, then press Open.

13. The ISO or DVD will now show up in the Controller: IDE panel of Storage Tree, select the OK button to save your changes.

14. This completes the process of setting up your VirtualBox Console for a new Guest OS installation.

Larry Catt