For AWS: The aws command-line interface (CLI).A macOS or Linux workstation with the following installed:.
An account on your target infrastructure, AWS, Azure, or vSphere.To build a Linux custom machine image, you need:
Image Builder builds Open Virtualization Archive (OVA) images from the Linux distribution's original installation ISO.See Building Images for Azure in the Image Builder documentation.You can store your custom image in an Azure Shared Image Gallery.See Building Images for AWS in the Image Builder documentation.The custom image is built inside AWS and then stored in your AWS account in one or more regions.