The DARIAH-DE hosting works with virtual machines. The hosting service of the e-Science infrastructure DARIAH-DE provides virtual machines (VM). The provisioning of virtual machines comprises: Access to VMs with preinstalled and configured operating system; VMs for testing as well as production services; High-end resources (computing power, memory, network); Basic configuration of the systems (firewall, etc.); Integration into the DARIAH-DE monitoring; Backup of file systems.