Reference
http://www.oracle.com/technetwork/articles/servers-storage-dev/configure-vm-templates-1656261.html
Focus On Oracle
Installing, Backup & Recovery, Performance Tuning,
Troubleshooting, Upgrading, Patching, Zero-Downtime Upgrade, GoldenGate
Oracle Exadata ,Oracle ODA, Oracle ZDLRA
Reference
http://www.oracle.com/technetwork/articles/servers-storage-dev/configure-vm-templates-1656261.html