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How would I be able to emulate Ubuntu running on a machine of a certain technical specification? I have decided to run Ubuntu in a virtual machine. In VirtualBox, I can limit the amount of RAM the virtual machine can get but I cannot limit the amount of CPU. Without physically trying the software on a computer, how would I be able to emulate the physical specifications of the system, such as CPU, network and a 5400RPM hard disk?

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up vote 1 down vote accepted

Actually you can, go to the settings of the VM, system tab, processor sub-tab and theres the settings you're looking for.

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