As cloud images are uploaded and registered on the Amazon EC2 cloud, they are referred to as AMI (Amazon Machine Images). Each AMI is a machine template from which you can instantiate new servers. Each AMI has its own unique ID. In order to launch an instance on the EC2 cloud, you first need to locate its ID.
Finding a Suitable AMI
Before you select an AMI, consider the following requirements you might have for the instances that you'll launch:
The operating system
The architecture: 32-bit (
i386) or 64-bit (
The root device type: Amazon EBS or instance store
The provider: Amazon Web Services, Oracle, IBM, Microsoft, or the community