A method computer program and system for managing pre-requisite of a software product virtual image

摘要

A method, computer program and system for managing pre-requisite software/packages of a software product distributed as a virtual appliance in a compliant way at activation time of the virtual machine. A method is provided to prepare the virtual appliance distribution package in which the pre-requisite software have been removed from the virtual image. A further method is provided to deploy the virtual appliance as a virtual machine at the customer site, the method re-installs each software product pre-requisite software/package in the virtual machine only if the license has been approved by a user. The virtual appliance distribution package comprises the at least one virtual disk with software package, and the activation program as a boot program and some additional information such as the list (ECP) of pre-requisite software for the software product and a repository containing the software product pre-requisite software/packages location where the pre-requisite software/packages can be retrieved. The activation program also maintains a list (LSER) of all the pre-requisite software/packages already installed in the user environment before and during the activation phase.