• Visit https://aws.amazon.com/marketplace/pp/B00A6KUVBW
• Click the CONTINUE button
• In the EC2 Instance Type section we recommend you choose t1.micro
• In the Firwall Settings section choose allopen
• Choose valid a valid key in the Key Pair section
• Review the pricing cost in the Pricing Details section. Note that this appliance is free, you will only be charged for the Amazon AWS services.
• Click the Launch with 1-Click button.
• Follow the AWS Management Console link in the next page
• In the lower panel of the EC2 Console, look for the Public DNS field, which will look similar to: ec2-aa-bb-cc-dd.compute-1.amazonaws.com. That will be the IP of the Virtual Machine

Using the IP obtained in the previous section, you will be able to log in into the virtual machine by doing:

<xterm> ssh -i <yourkey.pem> root@<IP> </xterm>

Bootstrap the instance

Run the following code in the instance and wait for a couple of minutes until it says it's ready to start the test-drive:

<xterm> curl http://dev.opennebula.org/attachments/download/636/aws.sh|bash </xterm>