Perl module for detecting several virtualizations

 This Perl module ImVirt is able to determine, on which virtualization it is
 running.
 .
 In this version it is able to detect the following virtualization
 technologies:
  ARAnyM
  KVM
  lguest
  LXC
  OpenVZ/Virtuozzo
  QEMU
  UML
  VMware GSX, ESX, Workstation
  Virtual PC/Virtual Server
  VirtualBox
  Xen (para and non-para virtualized)
 .
 And much more.