Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

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Efficient way to both play game on Windows and running a Linux server on the same machine

My situations: I bought a nvidia 980ti card for a deep neural network (DNN) research with tensorflow. I'm planning to run a linux DNN server for my remote friends(including myself)' study, ...
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8 views

Merge two VMDK files

I want to merge 2 VMDK files using: ||\vmware-vdiskmanager.exe" -r "E:\abc_vbox-disk1.vmdk" -t 0 C:\destination.vmdk|| It just converts the first file into the destination file and does not merge. ...
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0answers
10 views

Difference between Microsoft Hyper-V Server and Nano Server

I'm looking for a comparison of the two OS products developed by Microsoft: Hyper-V Server Nano Server What confuses me about the two products even more is that, AFAIU, both can run as Hyper-V ...
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1answer
25 views

Windows 95 as guest on VirtualBox Mac OS X Host - Successful installed, but boot fails

I am running VirtualBox (Version 5.0.20 r106931) on a MacBook Pro (Retina, 15-inch, Mid 2014; 2.2 GHz Intel Core i7; 16 GB 1600 MHz DDR3) with OS X El Capitan (10.11.4). I already installed Windows ...
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1answer
26 views

Redirect USB Device To Virtual Machine Using Hyper-V As Host

So I have a machine that is running Hyper-V Server 2012R2 as the host (bare-metal hypervisor). I have a USB device that is attached to this machine and I need a virtual machine that is running on the ...
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15 views

Why can't VirtualBox see my disks?

I have an external hard disk which stores all my virtual machines. Everything was going great until today. I turned my computer, on and plugged my external hard drive in. Windows sees it and can ...
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0answers
9 views

Ubuntu 14.04 host cannot mount NTFS disks with VT-d enabled in bios

I've been setting up an Ubuntu server with KVM, as documented at https://help.ubuntu.com/community/KVM/Installation. Once I started virt-manager and set up my 2nd video card for pass-thru, it ...
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1answer
3k views

Guest VMs unable to ping each other within a custom host-only network in vmware workstation

I have created a custom host only network VMNet2(without dhcp) in VMware workstation and connected my three VMs with this network. But the problem is I cannot ping any VM from any other VM, However I ...
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3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
108
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4answers
104k views

How to enable shared clipboard in VirtualBox?

Where is the configuration option for sharing clipboards (copy & paste) between the host OS and the guest OS?
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2answers
695 views

Does the Dell XPS One 27 Touch Support SLAT for Windows 8 64-bit Hyper-V?

64-bit Windows 8 has Hyper-V (virtualization) built-in. Hyper-V only works if the host machine is equipped with a 64-bit processor that supports a feature called Second Level Address Translation ...
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1answer
2k views

Hardware Virtualization on Dell Latitude E6500

I have a Dell Latitude E6500 with an Intel Core2Duo processor and 4 GB RAM. I am running Windows 8 Pro 64-bit. In the BIOS (revision A25) settings, I have enabled Intel Virtualization Technology, but ...
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1answer
3k views

How to hide from a program that it is running on a virtual machine?

Some software contains tests to see if they are running on a virtual machine. It's very unpleasant to see alert messages such as "Sorry, this application cannot run under a Virtual Machine." and have ...
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1answer
40 views

What happens with the local virtual machine when I shutdown my PC

I have an Hyper-V virtual machine running on my PC and I'm in the middle of an installation wizard. but I have to shutdown my PC where the Hyper-V is running. My question is, what happens with the ...
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2answers
32 views

Protecting Virtual machine from being copied to other hosts

I'm deploying a web application on a linux server (ubuntu) on virtual machine (In VMWare ESX 5.1 and the host machine is Windows) I need to protect the entire application and guest OS from being ...
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2answers
3k views

Steps to make native boot vhd boot in virtual box

Apologies in advance if this has been previously discussed, I did my best attempt at searching and could not find what I was looking for. My issue is that I have a windows 8 vhd I want to update to ...
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0answers
18 views

Change MAC address of “VirtualBox Host-Only Ethernet Adapter” (on host)

When I installed Oracle VirtualBox, it created a network adapter on my host system called "VirtualBox Host-Only Network". According to ipconfig /all, this virtual network adapter has the MAC address ...
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1answer
16 views

UnRAID performance vs. bare metal performance - any tests out there?

I couldn't find any, so perhaps anybody has done some tests? Assume that both hosts are turned on, but one of them is an idle system. One would be Linux and another Windows.
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2answers
1k views

VirtualBox is very slow in Windows 10

I had VirtualBox installed on Windows 8.1 and it was working correctly. I upgraded to Windows 10 and re-installed VirtualBox, but it's very slow. System Info: CPU : Intel Core i5 Graphic Card : ...
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3answers
20k views

Unable to load a required virtual machine component and it's not KB3045999 fault

This is known issue that is caused by KB3045999: The application was unable to load a required virtual machine component. Please contact the publisher of this application for more ...
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1answer
3k views

RAW disk image and .Img format, Difference?

So I need .img file to use with xen hypervisor. Currently I have a vmdk disk image of my current installation. It seems qemu can convert from vmdk to raw disk image, and as far as I read, .img file is ...
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0answers
33 views

Drag and drop won't select on VMWare Workstation 12 Pro (12.1.0 build-3272444)

I am attempting to enable drag and drop into the VM for an openSUSE distro (latest Tumbleweed) I have running in VWWare Workstation. However, when I attempt to enable the setting in Workstation it is ...
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0answers
3 views

VirtualBox guest (Windows 7) resets host (Slackware 13.1)

As pointed in the title I'm in a situation where a VirtualBox guest (Windows 7) resets host (Slackware 13.1). This happens when the guest (Windows) in booting up. The same happens with two virtual ...
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4answers
3k views

Is there BSD jail or Linux container functionality in Windows?

I'd like to be able to work with a poorly-behaving application without using a VM (becuse it requires a whole extra license). Does Windows have something like BSD's jails or Linux's containers?
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37 views

Hyper-V 2012 R2 different disk speed on CentOS and Debian

I found unexplained difference between running CetOS 7.1 and Debian 8.3 on Hyper-V 2012 R2. I create similar VM on similar hardware. Both virtual machines installed on 600 GB SAS 15K in RAID0 via ...
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12 views

VGA Passtrough QEMU/KVM

current i try to passtrough one of my GPU´s to a virtual machine (QEMU/KVM) via vfio-pci. My GPU´s are R9 290 and R9 390. I cant bind one of these cards to the PCI-Stub driver because both have the ...
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0answers
26 views

Does qubes allow you to use oem windows within qubes?

Windows 10 was included pre-installed on my laptop, but with no installation DVDs. Is there some way to transfer this Windows to a VM in Qubes on this same machine, once I actually install qubes as ...
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0answers
36 views

Can't start Hyper-V VM - error hypervisor is not running

When attempting to start a VM in Hyper-V I am getting the error "Virtual machine 'VM NAME' could not be started because the hypervisor is not running". I have confirmed that Virtualization is enabled ...
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0answers
20 views

Constructing a readonly Windows system partition?

I am creating a system for testing performance in virtualized environments. I have created a Windows 2016 VM that contains various tools for simulating load (such as stressing the CPU, or allocating ...
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1answer
864 views

Disable my nVidia video card driver in Linux

I'm trying to passthrough my nv video card to my domU, but I could not bind my video card to the pciback driver I only have one video card with the pci number 0000:03:00.0, so I used the following ...
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0answers
19 views

Access advanced settings of bios. Sony Vaio e-series

I have an e series sony vaio with windows 7 and ubuntu (dual boot) and I want to access the advanced settings of bios. I searched the internet and I found out that I can do it with the assist button ...
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1answer
23 views

making copy of one server to another

I have three identical hardware machine. I want to install and configure centos server on all machine. I need to have exactly same configuration. After some research,I know there is a way of making ...
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0answers
6 views

Activate vxm on Chromebook C720

Not sure if this is possible, I have a Chromebook C720 running crouton, I need to turn on vxm in the BIOS, but as far as I remember I have never entered a BIOS on the device. Has anyone had success ...
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0answers
41 views

Can't install Intel HAXM with i5-6260U - apparently it doesn't support VT-x?

I'm trying to install Intel Hardware Accelerated Execution Manager (HAXM) for improved virtual Android devices. Taken from the this page, the hardware requirements are; Hardware Requirements: ...
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5answers
10k views

Cannot boot after vhd hard drive is resized in VirtualBox

In Windows 7, I set up another Windows 7 VM in VirtualBox. It worked great. Then, I needed to increase the vhd HD size. So, I used VBoxManage utility to do that with the following comment: VBoxManage ...
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2answers
56 views

Vmware Workstation - Cannot open disks xxxx or one of the snapshot disks it depends on

I'm running Centos7 using Vmware workstation on windows 7 laptop. All was well until I restarted my laptop this morning & my VM started complaining as below The parent virtual disk has been ...
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2answers
5k views

VMware workstation windows host shared folders issue

My laptop is a Linux mint powered host and a windows 8 guest via VMware Workstation. Yesterday, I get the bad and stupid idea to upgrade my windows 8 to windows 8.1 final release, using the Installer ...
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1answer
34 views

What does a hypervisor means in the context of virtual machines?

In this Harvard lecture about HTTP and VPS at min 59:00 https://www.youtube.com/watch?v=8KuO4r5CHjM the lecturer talks about Virtual Private Servers and Virtual Machines. He said that they are managed ...
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18 views

What does overprovisioning mean in the context of virtual machines?

I am watching a lecture from Harvard and it talks briefly of the overprovisioning problem the VPS servers have and I did not meed this term before.
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2answers
100 views

Solution Virtualization not Supported, BIOS missing virtualization option?

In my system BIOS virtualization option is missing. After research found that my system doesn't support virtualization. Laptop model : HP DV6-1152TX Processor : Processor type - Intel Core 2 Duo ...
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0answers
8 views

OS-level virtualization vs bare bones virtualization in OpenVZ's book

I'm reading OpenVZ Essentials by Mark Furman and I'm a bit confused with the following paragraph: OS-level virtualization is a type of virtualization that is kernel-based. It depends on a host ...
61
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6answers
9k views

Can a hypervisor like VirtualBox be used to launch a virtualized OS which is also directly bootable?

This question is rather theoretical: Suppose I have a PC with two different OS on two different partitions: OS1 on sda1 and OS2 on sda2. Is it somehow possible to set up a program like VMWare or ...
3
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1answer
452 views

QEMU with GPU pass through won't start

I'm running Ubuntu and trying to configure QEMU with a GPU pass through. I was following those guides: https://www.youtube.com/watch?v=w-hOr44oBAI ...
7
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1answer
12k views

How to enable hardware virtualization on a MacBook?

I need to enable hardware virtualization on my MacBook Air 2013. I want to run the Windows Phone 8 emulator, which requires hardware virtualization. I am running Windows 8 in boot camp. On my old PC, ...
2
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1answer
1k views

RT2800 USB: monitor mode using Virtual Box

Information I am using a WiFi USB Adapter and the latest version of Kali running under VirtualBox. Chipset: Ralink RT2870/3070 Driver: rt2800usb Manufacturer: TP-Link FCC ID: TE7WN727NV3 It is ...
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2answers
28 views

hyper-v 1 network card same ip address

I have a windows 10 laptop with hyper v enabled. I want to be able to have the virtual machine access the host as I am trying to restore an old laptop. I have set up Microsoft loop back network ...
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2answers
119 views

Physical console (screen+keyboard) dedicated to VM

I have a relatively powerful computer used for playing games in Windows, not too demanding games but with definite need of the GPU card (NVIDIA GeForce GTX 760). I would like Windows to run in a VM, ...
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2answers
124 views

My virtual machine (or host system) cannot use RAM correctly

I have virtual machine windows server 2008 which stands on Oracle VM VirtualBox. I declare 8GB of RAM for this machine. On my host machine (windows 7) I have 16GB of RAM. When I start virtual ...
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1answer
39 views

Best host for virtualization Windows XP on notebook

I bought notebook http://www.fujitsu.com/fts/products/computing/pc/notebooks/lifebook-a514/ , but i cann't install Windows XP on it or run clonned one. Think to use virtualization. What host best to ...