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

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Free Software Virtualization (like Evalaze) [on hold]

I'm searching for a free alternative to Evalaze. With Evalaze you can create isolated (sandboxed) "packages" of installed software. I think Sandboxie is another software like this. Is there a free ...
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57 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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17 views

How to delete Vmware Hard Disks, instead of removing them?

i have a question concerning Vmware Workstation 11. When i want to remove a virtual Hard Disk of a VM, it doesn't delete the big .vmdk files, it just removes it from the Hardware list of the VM. I ...
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19 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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14 views

extracting info from virtualbox .sav file?

I have a .sav file of VirtualBox which I want to restore. But the problem is I only have this file (without any other info of the disk file and RAM size and so on). I tried to duplicate one of my ...
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11 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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1answer
39 views

Can KVM run on top of host OS?

I was interested in experimenting with Xen until I discovered that it has to be installed bare metal. Hence, if I have a Linux machine and want to use it to run a Xen hypervisor, I have to install the ...
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68 views

Hyper-V alternative in Windows 8.1 Single language

Is there any way to enable or install Hyper-V in licensed Windows 8.1 single language. I have heard it requires Pro Edition of Windows. I want to run windows phone 8.1 emulator in Visual Studio. It ...
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6 views

Hyper-V Server not visible from Hyper-V Manager

Through our technet subscription, I have downloaded and installed hyper-V Server 2012 R2. I then have a Windows 8 server running Hyper-V Manager. Both machines indicate that they belong to the ...
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20 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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14 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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13 views

How can I convert a domain controller account to local account for forensic analysis?

I am doing a forensic analysis of a Windows machine that has multiple local accounts but have a domain controller or active directory account. I can analyze the files of the user because the files are ...
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1answer
45 views

Asus motherboard P5P43TD BIOS doesn't show Intel Virtualization Technology option

My motherboard is an Asus P5P43TD. It has default values loaded, and in the advanced menu in the CPU Configuration section, the Intel Virtualization (VT-x) option is not listed. I have upgraded and ...
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19 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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2answers
26 views

Is it possible to create a VM that survives outage of host? [closed]

This is just an academical question. Is there any way from technical point of view to setup virtualization subsystem that would be able to survive (VM's would be still accessible and fully ...
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1answer
7 views

How to turn on promiscous mode in vmware?

I was told that in order to turn on promiscous mode in vmware, I need to do this: chmod a+rw /dev/vmnet* However, I am confused that there is an option in the vmfusion preference: Do I need to ...
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3answers
48 views

Hyper-V: Create virtual network, with LAN access, but without Internet access

I'm pretty paranoid when it comes to Windows 10's "data collecting". But I need to set up a Windows 10 VM on my build machine for development purposes. I basically want to be able to send files to ...
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49 views

Why I can boot various kerel versions but not XEN kernel in grub2

I have successfully compiled XEN usigng following steps: wget http://bits.xensource.com/oss-xen/release/4.4.1/xen-4.4.1.tar.gz tar xzvf xen-4.4.1.tar.gz cd ./xen-4.4.1 export ...
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23 views

Two Vagrant VMs caused network issues

It seems that when I make a new virtual machine, my private networks are not reachable from the host. I assigned different IP addresses to both, and included them in my /etc/hosts file, however I'm ...
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6 views

Cannot restore Snapshot

Everytime I try to restore my VM from a snapshot I got My VM Freezing and I must shut it Down. When is shut down and I try to start the VM I got error: Code 'Exit: E_FAIL (0x80004005) Componente: ...
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22 views

XEN Guest cannot open display error

My setup is : [XEN - dom0] installed directly on hardware [ubuntu 12.04.5 server x64bit] , using it on CLI Mode - no GUI installed [domU - guest] HVM guest created via configuration file, I ...
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15 views

Can a paused spoon container persist beyond a computer restart? [closed]

I am trying to capture and persist a process state for later restart, and have looked into app virtualization as possible solution. The current experiment is with Spoon containers. As far as I see, I ...
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43 views

Connect to Hyper V running in Windows 8 from a different Windows 8 machine in a homegroup

I have 2 computers with Windows 8.1 Pro in a Homegroup. Computer A has Hyper-V installed with several VM's. Computer B just has the management tools, including Hyper-V Manager. I am trying to ...
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40 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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2answers
45 views

Oracle virtualbox not allowing than one CPU - Hardware virtualization not available

I have the following hardware configuration: Processor: AMD FX-8120 (Zambezi) Board: ASUS M5A88-M OS : Windows 8.1 RAM : 4GB DDR3 I installed Genymotion which created a virtual machine for ...
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21 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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68 views

Linux (Mint 17.1) Video card's (R9 270x) sound is claimed by pci stub but the GPU isn't

So I'm trying to setup a gaming VM with on Linux Mint via KVM and VFIO. I've added the ID's of both the sound and the actual GPU but only the sound is getting claimed by stub. When I run dmesg | grep ...
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103 views

QEMU guest system starts off /dev/sdc but won’t start from disk image file

I have a copy of Windows XP installed on a hard drive which I would like to run with QEMU. When I start it directly from the HDD it runs fine: qemu -m 256 -hda /dev/sdc Starting ...
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13 views

Setting up a Microsoft Cluster in a virtual enviroument

I currently have three physical hosts (Host1, Host2, and Host3) that are running Win2K8 R2 and each using installed roles: File Services and Hyper-V and installed features: Failover Clustering). ...
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21 views

Is “Host GPU on” on android emulator same as GPU passthrough?

I see that there's "Host GPU on" for standard Android emulator(which is incidentally qemu-based) from Google. Is it same as the hardware acceleration obtained by successful GPU-passthrough in ...
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51 views

Does a computer emulator exist for specific system hardware configurations?

Not your typical virtual machine! I’m looking for a way to emulate a computer as close as possible. Virtualization software like QEMU, VirtualBox and VMware or even EXSi give me the ability to ...
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41 views

VT-x Enabling (turn ON) on Intel i-7 Dual Core Windows 7

How do you enable CPU Virtualization on a Windows 7 Intel i7 Multi-Core machine? I checked and it reported that machine VT-x is supported. I am getting this error message when I try to start the VM: ...
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1answer
34 views

Are virtual machine resources available to the host?

I know that when I dedicate HD space to the VM that it can’t be accessed by the host OS, but what about RAM and CPU cores/threads? I always thought that if I dedicate 2 cores and 8 GB of RAM to a VM ...
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29 views

(Virtual Machine) KVM/QEMU Distributed Resources

How do large VM hosting establishments offer Terabytes of RAM? Do they just use really large SWAP files? (over a Network FS of some type)? Or is it that they really have hosts/machines/computers ...
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26 views

XEN boot error on Ubuntu Server 12.04

I am trying to boot to xen-hypervisor-4.1-amd64 package following the guide from official Ubuntu website, But whenever I reboot and try to boot into XEN (holding shift on grub and choosing xen ) I get ...
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47 views

virtualbox (osx host and linux guest), only shared folders with read/write work, those with read only permissions do not

I'm using virtualbox (with osx as the host and linux, debian 7, as the guest). Shared folders with read/write permissions set to automont work fine. But if I set the same folder as shared and ...
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47 views

how to enable virtualization in BIOS settings

I am not able to find virtualization option in my BIOS settings Processor Info : Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2926 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version Info: Intel ...
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1answer
25 views

Can we say that QEMU is a Virtual Machine?

What I perceive as a Virtual Machine is that it simply allows to load another Operating System side-by-side on its own sandboxed environment. It is limited to the same hardware architecture as the ...
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3answers
98 views

Is it possible to run Linux, Windows and Mac OS X on one machine in parallel? [closed]

I was wondering if it is possible to run all three big operating systems (Linux, Windows, Mac OS X) using a (preferable Barebone) Hypervisor in parallel on one system? Please state the configuration ...
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11 views

KVM accessibility from host machine

We have a KVM Host machine running multiple VMs. I am now tasked to create an instance with very sensitive data. Setting firewall and other OS specific settings is not the problem. Question is: can, ...
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1answer
27 views

VMWare Virtual Machines: can be accessed from Internet?

I'm new with VMWare Player virtual machines. I created two: one with Windows 7 and other one with Ubuntu Desktop. The host machine has connection to Internet, a firewall, etc. I can access it from ...
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1answer
58 views

Is it possible to have a hypervisor with Nvidia SLI 980 pass-through gaming setup?

I am looking into reformatting my computer. I would really love to get rid of Windows finally and only use Linux for gaming/work. Sadly I am not sure this is close enough to be a reality yet. I am ...
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1answer
71 views

Should I enable Intel virtualization technology? [closed]

I am using Android studio for Android programming it is demanding Intel virtualization technology to get enable to use Android emulator should I enable it? Is it safe to enable it? I have Intel i3 ...
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52 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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33 views

Unable to get the Full screen in KVM

I installed CentOS 6.4 in KVM (Kernel-based Virtual Machine), My base machine is Scientific Linux 6.4. I am unable to get the full screen in KVM, In virt-manager if I select full screen also both ...
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77 views

Make local Virtual Box server available to other computers on the wider host OS LAN

I’m running VirtualBox on Windows 7, the guest virtual machine OS is Ubuntu Server and it’s set up in such a way that I can access it from the host machine on 192.168.56.101. The host machine IP in ...
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168 views

No option to enable the Intel Virtualization Technology in BIOS?

Laptop: Samsung NP350V5C-S03IN 64-bit capable: Yes BIOS: American Megatrends Inc. Version-P10AAL Date-04-07-2013 Processor:Intel Core i5-3210M CPU @ 2.50GHz, 2 Core(s), OS: Windows 7 Home Premium ...
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1answer
63 views

How to change the disk interface type for my Windows 8.1 guest on KVM

I recently setup a Windows 8.1 VM with KVM and virt-manager. I initially set the disk interface to be IDE, but I'd like to change it to virtio. However, if I just change the interface in the ...
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109 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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Why can't my virtual machine reach the host?

After creating the appropriate rule in Windows firewall, I can ping my host machine from the VM: demo@ubuntu:~/aenea/server/linux_x11$ ping 192.168.85.1 PING 192.168.85.1 (192.168.85.1) 56(84) bytes ...