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 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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114 views

Installing Hyper-V server on same partition as OS (windows 7)

I need to do multiple Internet Explorer version testing and one of suggestions is to install Modern.IE. To do this one needs visualization running. I have downloaded Remote Server Administration Tools ...
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1answer
4k views

VT-x enabled in BIOS, but disabled in Windows 7

I've been running VMWare Workstation 11, with 32 & 64-bit guests just fine but I haven't run in in a few months. I tried starting it up again and I get: Blockquote Binary translation is ...
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374 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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97 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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245 views

What is the difference between Docker and Virtual Box?

I have used Virtual Box alot on my mac for Linux images. What would be the advantage of moving to Docker? So I would like to know what the difference between Docker and Virtual Box is?
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2answers
51 views

What does it mean when a virtual machine can only run on x86 hardware? [closed]

I am learning about different kinds of virtualization. As I learn about this concept I am often times presented with documentation that says the virtualization software "requires x86 processors". I ...
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1answer
83 views

Error opening Ubuntu 12.04 LTS on VirtualBox version 4.3.16

I was working on my Ubuntu/Virtual Machine, when my laptop battery has discharged. After that moment, when I try to open Ubunutu on Virtual Machine I get the following error: There is no virtual ...
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1answer
240 views

Adobe PDF Preview Handler Error in Windows Explorer

I virtualized the installation of Adobe Acrobat Pro XI v11.0.11 together with Microsoft Office Professional Plus 2010 v14.0.7015.1000 x86, carried out on Windows 7 Enterprise v6.1.7601 x64, making use ...
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1answer
114 views

Does my CPU support hardware virtualization?

I have an ubuntu 12.04 virtual machine installed with virtual box, and I've also installed KVM on it, from a MacBook pro with an intel i5 processor. I'm trying to instantiate a virtual machine on my ...
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112 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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1k views

Is Intel Core-M virtualization usable? [closed]

I'm asking this question here because noone will let me try installing Virtualbox on an Intel Core-M "uncooled" machine without purchasing it. I previously purchased an Intel i3 with 4GB RAM a ...
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94 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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3answers
14k 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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234 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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1answer
168 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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37 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
212 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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3k 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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1answer
57 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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145 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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54 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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44 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
157 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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73 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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27 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
16 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
210 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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1answer
266 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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1answer
48 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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23 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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39 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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17 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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1answer
277 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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220 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
241 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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62 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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122 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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206 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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16 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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67 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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2answers
74 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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181 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
65 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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74 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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43 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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76 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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1answer
256 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
41 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
378 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 ...