Vander.host support KVM and OpenVZ based virtualization systems.
KVM stands for Kernel-based Virtual Machine. It’s a type of virtualization technology that allows you to run multiple guests on a single hardware host.
KVM is built into the Linux kernel machine.
OpenVZ is an operating system-level virtualization technology for Linux. It allows a physical server to run multiple isolated operating system instances, called containers, virtual private servers, or virtual environments.