Upgrading Oracle VM is also a pretty straight forward process. Just insert the CD ROM and if you already have a previous installation, you will be confronted with the following screen, System to Upgrade.
1. Select Oracle VM server 2.1 (hda2) on the hard disk and click OK.
2. Next we will get the Update Boot Loader Configuration screen. Here we select the Update boot loader configuration or the other options as per your requirements and click OK:
7. After completion of the upgrade remove...