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The proprietary extension pack adds a USB 2.0 or USB 3.0 controller and, if VirtualBox acts as an RDP server, it can also use USB devices on the remote RDP client, as if they were connected to the host, although only if the client supports this VirtualBox-specific extension (Oracle provides clients for Solaris, Linux, and Sun Ray thin clients ...
A hypervisor, also known as a virtual machine monitor (VMM) or virtualizer, is a type of computer software, firmware or hardware that creates and runs virtual machines.A computer on which a hypervisor runs one or more virtual machines is called a host machine, and each virtual machine is called a guest machine.
The physical, "real-world" hardware running the VM is generally referred to as the 'host', and the virtual machine emulated on that machine is generally referred to as the 'guest'. A host can emulate several guests, each of which can emulate different operating systems and hardware platforms.
The words host and guest are used to distinguish the software that runs on the physical machine from the software that runs on the virtual machine. The software or firmware that creates a virtual machine on the host hardware is called a hypervisor or virtual machine monitor. [2] Hardware virtualization is not the same as hardware emulation ...
Server consolidation with workload isolation, single workload containment, hosting, dev/test/prod Near native Yes Hyper-V Server 2008 R2 Yes, up to 4 VCPUs per VM Yes Yes Virtualization Server consolidation, service continuity, dev/test, desktop virtualization, cloud computing Up to near native [citation needed] Yes OpenVZ: Yes No Compatible
Vagrant is a source-available software product for building and maintaining portable virtual software development environments; [5] e.g., for VirtualBox, KVM, Hyper-V, Docker containers, VMware, Parallels, and AWS. It tries to simplify the software configuration management of virtualization in order to increase development productivity.
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After the pre-copy phase, the VM will be paused on the source host, the remaining dirty pages will be copied to the destination, and the VM will be resumed at the destination. The downtime due to this phase can range from a few milliseconds to seconds depending on the number of dirty pages transferred during downtime.