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Can be virtual or physical, does not matter.
No OVA currently available, one of the supported OSes needs to be installed.
Supported Operating systems: Ubuntu 16.04 LTS, Debian Jessie, RHEL 7, Cent OS 7 Newest stable Ubuntu or Debian.
Server/Virtual Machine(VM) specs: Tested to work with single Core VM with 3.5 GB Ram and 7 GB HDD.
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