[Eucalyptus Beginner’s Guide – UEC edition] Chapter 4 – Image Management with 22 comments Eucalyptus Machine Image(EMI) A Eucalpyptus Machine Image(EMI) is a combination of a virtual disk image(s), kernel and ramdisk images as well as an xml file containing meta data about the image. These images reside on WS3 and used as templates for creating instances on UEC. Each Linux EMI is a combination of