Restore ova file Oracle VirtualBox

Open Oracle VirtualBox.

Click on File > Import Appliance...

Select ova file location and click on Import

Importing on progress..

Once Import Complete Oracle VM will be visible. In our case VM OCP_CLASS has been created.

Select VM and Click on Start to start VM.

Login as user oracle and Start Oracle listener and Oracle database

Now you can connect to oracle with SQL Developer.

Once you have completed the practice you can save the state of machine which helps starting VM faster and you do not have to start listener and database later on.

Click on X(close). Select Save machine state and Click on OK.

To start the saved machine. Select the machine that has state saved. Click on Start to start VM.