Is it possible to run multiple virtual machines on a virtual server? I am on a project and I want to run an Intrusion Detection System as distributed using many ubuntu virtual machines. Is it possible to be done on a virtual server which runs Ubuntu?
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In principle, yes it is possible.
However
If you want to use 64bit guests within your Ubuntu VM, you will need VT-x (or the AMD equivalent) exposed into your Ubuntu box.
As far as I know, only VMware vSphere (ESXi) can do this - requests to add this into VirtualBox have been strongly resisted.
Your other option is to use containerisation methods such as LXC, OpenVZ or Docker to run multiple VMs without full virtualisation.
Craig Watson
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Do you mean run a hypervisor inside an existing VM? if so then yes but it depends on the hypervisor your existing VM is running on and also the hardware it's running on - but yes it can be done.
Chopper3
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