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Things just tend to work a lot better inside of it. VirtualBox is a fantastic piece of software but you get what you pay for with VMWare. En termes de performances, Virtualbox est relativement plus lent que le VMware.
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The first computer is old, an I5-650 processor, and has a working VM of Windows XP SP-3, which I use to run an app which hasnt been updated to work on anything newer than Windows XP. I could not get KVM running in a VirtualBox guest but it ran flawlessly in VMware Workstation. Im running VirtualBox v6.1.36 with guest additions installed on two computers, both of which are running Windows 10 Pro 64-bit v21H2. If you plan on playing with different virtualization technologies like Xen or KVM in the future, VMWare does a better job at exposing Intel VT-X and AMD-V extensions to the guest CPU. The 3d acceleration works a lot better on VMWare too if you plan on running desktops or apps that are heavier on graphics. (Side note: it is particularly fantastic in Fusion with OS X as the host and Windows 7 as the guest) In my opinion it is much better than VirtualBox's seamless mode. VMWare Unity is fantastic if you want to have a more seamless feeling environment between Linux and Windows.
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VMware Server is a product that allows the user to compartmentalize a server into many virtual machines, thereby letting multiple operating systems and applications run successfully and simultaneously on one host machine. If you are worried about VMWare tools they install very easily via the VMWare workstation menu for almost all distributions. VMware is one of the world-renowned service providers for Virtualization. I find that a lot of advanced things work a hell of a lot better under VMWare. It is not hard to setup on most distros and if you have Ubuntu it usually automatically re-compiles the kernel modules via DKMS.
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