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

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How to force all connections to “as host” in Hyper-V?

I have multiple local VMs running on Hyper-V (Windows 8.1 Ent). All of them are configured with 'External' network adapters allowing them to share internet connection with the host. My problem is now ...
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69 views

Using integrated GPU to render Linux desktop instead of my dedicated GPU

I'm trying to set my CPU integrated GPU as the default one for rendering. I also have a dedicated R9 280. I'm doing this to pci passthrough the R9 to my windows VM to play games. Looks like you must ...
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127 views

Vagrant VM is starting but ansible doesnt process anything

I have such Vagrantfile: # -*- mode: ruby -*- # vi: set ft=ruby : VAGRANTFILE_API_VERSION = "2" Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| config.vm.box = "ubuntu/trusty64" ...
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74 views

Backup Windows 2008 R2 Server to a ISO file

I want to virtualize a Windows 2008 R2 Server system for testing. At the moment the system in question is installed in a server and I want to make a copy of everything to an ISO file to then ...
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604 views

How to enable Virtual Technology from BIOS in windows?

Oracle VM VirtualBox gives the following error message when trying to start a virtual machine: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED). How to enable virtualization ...
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282 views

OpenGL ES 3.0 on Android via Bluestacks?

I can run pretty much 90% or more of every app in existence via Bluestacks, but those that depend on and require GL ES 3.0 will not work on Bluestacks. Any word? If Bluestacks can do 2.0, why not 3.0? ...
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697 views

How to activate VT-x on a Acer Aspire E 15 E5-573G-34QR?

How to activate the hardware virtualization on this laptop if the BIOS menu does not have any options? It's very simplified. Similar to How to activate VT-x on a Acer Aspire E1-571G? Can't use that ...
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74 views

linux KVM Virtualization: USB cameras and nvidia graphics cards with dual display

I wonder if is possible to create with KVM guest machines (Windows and Linux) they can use 2 monitors (in desktop extension), USB cameras and graphics cards like Nvidia
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51 views

Deleting partitions [meant to be dual-boot] or a fresh re-install [Virtualization]: Centos 7/Win7

I appreciate any advice given to resolve this particular dilemma. The Background: I need to have Macromedia [Adobe] Dreamweaver and as such a copy of Windows somewhere. My main system is Centos 7.1. ...
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182 views

Virtualization with UEFI'secure boot feature

I'm interested in the notion of emulating digital signature checks in virtual machines—the host can be booted without hardware-based digital signature checks, which can be moved to the VM, and the ...
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16 views

Networking between two VMs via host

I have two virtual machines in VirtualBox. I would like to do networking between them via my host OS. In this case they should interract only via my os. I tried NAT but I can't ping then both my OS ...
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23 views

Memory not releasing after shutting down vm in Xen-4.5

I installed Xen-4.5.0 on a server with CentOS 6.5(v3.2.30 kernel). All works well except when I shutdown a vm, then xl li shows that the vm's memory is not released and physical memory becomes less ...
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653 views

Windows doesn't detect virtualization

CPU: Intel Core i3 3220 Motherboard: P8B75-M LX (BIOS version: 1403, final) OS: Windows 10 Education 64-bit Note: I have screenshots including BIOS settings but I can't add because of reputation ...
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144 views

How do I compress or compact encrypted virtualbox disk image

As I have created a Debian VM inside VirtualBox by encrypting their partition. So that the OS must be running in an encrypted partition. Although while creating a disk image(VHD), I had given for ...
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60 views

Why can't I open applications that I drag and drop onto OS X Guest VM?

I am running OS X Yosemite. I have a guest VM (Yosemite), that I would like to copy applications onto. It has the same appleID as my host VM. I drag and drop the application from the application ...
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5 views

Fault Tolerance in Virtualized Servers

I have read about virtualization though I don't have real life experience. One of the ways to achieve is by installing Hypervisor in a server machine and have management software in admin's machine to ...
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37 views

VPN on guest machine only

I have a Windows 2008 R2 server that does a fair bit of media transcoding, and serves the house via Plex server. I am looking at making a VM guest (windows 7 or 8) that will have a VPN client ...
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345 views

Save qemu VM state like in Virtualbox

I am used to the Virtualbox "save machine state" exit strategy, which is a handy way to let the host reboot without shutting down the vm. I recently switched to qemu because of its VT-x in VT-x ...
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211 views

Trying to install PFsense on Proxmox…lost

So I've been bashing my head against my desk for the last couple of hours trying to figure out how to properly set the network interfaces for proxmox. I'm looking to do something really simple where ...
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76 views

How can multiple Linux distros be run simultaneously & equally resourced on screen in a VM?

What is the easiest and/or best way to run several lightweight Linux OS's simultaneously in separate display windows, in a reconfigurable virtual hardware environment, while (and this is important) ...
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35 views

Can I connect to an external-HDD-based Hyper-V VM from any computer?

If I create a VM on an external HDD using Hyper-V, and now want to connect to it from a different computer using Hyper-V on that second computer - Can that be done, or might that corrupt the VM? If ...
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9 views

Hyper-V how to update the contents of virtual machine to physical machine

I have created a virtual machine from a physical machine. My question is if am working on virtual machine then how to update the contents on physical machine. I have created the virtual machine for ...
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125 views

How to access LXC containers hosted inside a VM

I have the following setup: Mac with VirtualBox installed Ubuntu 14.04 VM with LXC containers: DNS server (1.1.1.100) Web server (1.1.1.101) Content server( 1.1.1.102) Database server (1.1.1.103) ...
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504 views

how does vswitch work with the physical nic in vmware?

It is known that VMs, through their vNIC connect to vSwitch which is in turn connected to the physical machine or ESXI host's network adapter (vmnic). The vmnic is then connected to an actual L2/L3 ...
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132 views

Guest DHCP server

I have a host (CentOS 7 with kvm/libvirt). There are 2 network interfaces on this host. eth0 and eth1. eth1 has no IP address but instead has subinterfaces for each VLAN it is connected to. An example ...
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133 views

Self-created VHD image file won't boot in VirtualBox

I've got an old small form factor PC (x86). It boots from a CF card. I'd like to develop software for it but I don't want to use it for debugging since I might brick it. This is why I've tried ...
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135 views

I have two virtual Wifi miniport adapters (Win 7). How do I set two ssids?

I seem to have two virtual WiFi Miniport adapters. Therefore it should be possible to set up two hosted networks with different SSIDs Is that possible? Should there be two Miniport adapters or is ...
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240 views

Using vagrant and docker on Windows

I'm trying to dockerize my rails application but I have one tricky constraint: one of the developers is using Windows. Vagrantfile: # -*- mode: ruby -*- # vi: set ft=ruby : ...
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41 views

Using Differencing VHD on Win 7

I was given two VHDs by a service provider, differencing disk D and parent disk P. These VHDs are meant for me to get training and proceed with development in future. The instructions were to use ...
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168 views

Obtain list of all VMs on Xen server with tags

I am trying to compile a list of VMs across our 12 Xen Servers. We use the 'tag' functionality extensively and I would like for the tags to be exported along with the VM names. E.g. Xen Server ...
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64 views

How do I install the virtualization tools on a Virtual Box Ubuntu machine?

I'm following this guide to install OpenNebula on my Ubuntu virtual machine: http://docs.opennebula.org/4.4/design_and_installation/quick_starts/qs_ubuntu_kvm.html But I'm stuck at the first command: ...
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102 views

VirtualBox “sharing” entire host partition (non-OS) with VM

I've created a VM (Windows 10 CTP) and a new virtual disc for the OS/etc. installation. I've then created a raw VMDK which points to a partition on one of my host machine's data drives, call it Data0, ...
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308 views

how to convert vmware to hyperv live without downtime?

Anyone know how to live convert a vmware vm (5.5, vmx3, latest vmtools) to a hyperV format without stopping the source vm? Microsoft Virtual Machine Converter 3.0 powers the server down after un ...
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81 views

VirtualBox only creates new virtual hard disk when there is enough space on 'C' drive

There are >200GB free on my 'F' drive but it failed to create a fixed-size VHD with size = 200GB. Failed to create the hard disk storage C:\Users\abc\VirtualBox VMs\OSOS\OSOS.vhd. Could not ...
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104 views

Hyper-V listed on Win 2012 but not Win 8.1 Pro (same machine)

I bought an Acer laptop, and installed Windows Server 2012 to do some web site testing for a client. On that installation, I used Server Manager to install Hyper-V, and two further installations on ...
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244 views

Host system hangs when starting any virtual machine in Hyper-V

This is a problem that I noticed several times now and I can't find any answer to this, so I hope that anyone of you can help me out. Today I wanted to start a virtual machine in Hyper-V running on a ...
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126 views

Windows 8.1 keeps wanting to repair itself after installing Visual Studio 2013

I have a hp 650 with virtualization enabled. I installed windows 8.1 pro. I also installed Visual Studio 2013 Pro. However, after installing VS 2013 and at some point rebooting, Windows refuses to ...
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251 views

How can I emulate Windows Server 2008 R2 with QEMU? / Cannot virtualize Win2K8 R2 using QEMU on Windows Host

I have used precompiled QEMU 2.2.0 (64-bit version) to emulate a PC running Windows Server 2008 R2. The Host OS is Windows 8.1 Enterprise 64-bit, and my CPU doesn't support Intel VT-x so I can't use ...
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156 views

USB 2.0 not working when VT-x is enabled

The problem I have is that when I enable Intel Virtualization Technology (or VT-x) in my BIOS, it makes my USB 2.0 ports not work. The USB 3 ports, on the other hand, are working. This is happening ...
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93 views

How to “sandbox boot” an operating system in a Hypervisor without a full blown host OS?

I was wondering how I could setup a Hypervisor environment that boots an operating system in in a sandboxed¹ mode, without relying on a (full blown) host (Dom0) operating system. The target ...
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76 views

Emulate 512-byte sectors with Xen

Anyone know how to make Xen 6.2 emulate 512-byte sectors when exposing a drive to a virtual guest? This would allow exposing native 4kB sector drives to older virtual guests like Windows 2003/2008 ...
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289 views

No virtualization option in bios options in hp envy 700 215 xt core i7 processor

I ran this CoreInfo tool from Sysinterals: http://technet.microsoft.com/en-us/sysinternals/cc835722 and it says HYPERVISOR - Hypervisor is present VMX * Supports ...
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264 views

Unable to change IPv4 properties for a VirtualBox Host-Only Adapter

Keeps coming up with: In order to configure TCP/IP, you must install and enable a network adapter card. Using Vagrant and ScotchBox if that helps but also tried with a basic Vagrant box and same ...
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50 views

Disk I/O controller performance

I am building an home server with an old HP media center m8125x (link for all specs : ...
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772 views

Intel VT-x not working on Lenovo z510

I wanted use my Lenovo z510 to test the new android lollipop using HAXM, but while installing it said that I have no VT-x technology. The product page says that my processor(intel pentium 3550m @ 2.30 ...
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29 views

Boot spare harddrive in virtualbox

I recently built myself a new computer. It is currently configured with two hard drives that boot two separate operating systems. My questions: Is it possible to boot hard drive B from within ...
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2k views

Cannot connect to Hyper-V Virtual Machine

I have a Windows XP Virtual Machine that is running perfectly (I can watch it bootup and the desktop appear in the Hyper-V Manager thumbail preview) but I cannot Connect to it. It just keeps timing ...
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774 views

Running boot2docker within a Windows 7 64Bit Virtual Machine?

For a project my team is trying to set up a test/development environment including programs and services like different database-system as well as docker. To guarantee a working environment, we have ...
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23 views

Use VMWare with out a network?

I have a server running on VMWare that I need to communicate with using my computer. It works fine as long as I am hardwired to the network at work. If I try to work from home I am unable to ping the ...
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36 views

Virtual PC to hardware PC

I know that it is possible to make ordinary PC system virtual and run on virtual machine. For example it is supported by Vmware. But now I need somehow place virtual PC to hardware and run it without ...