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

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What is better with virtual machines than with containers?

I've been reading up on Docker recently, and I see that there are plenty of reasons to use containerization instead of virtual machines. But what is not talked about as much (since containerization is ...
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556 views

VMware null modem serial cable between virtual machines

Right now I am using some software to emulate a null modem serial cable on my Windows computer connected to itself. For development purposes I need to have a null modem connection to a linux computer ...
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6answers
960 views

Playing Windows games on Linux

Windows games can be played on Linux either through Wine or by running Windows in a virtual machine. Which gives better performance?
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4k views

How to enable hardware virtualization on AMD Asus motherboard

I have an Asus M5A97 R2.0 motherboard, and an AMD fx-4350 processor. I know you have to go into bios to enable virtualization technology, but i can't find it anywhere. Online it says this processor ...
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23 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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16 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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1answer
5 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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1answer
177 views

Windows Phone Emulator 8.0 needs SLAT to run?

After installing Visual Studio Ultimate 2013 with Update 2 I got this error message at the end of the installation, telling me that my computer does not support hardware virtualization, and that for ...
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2answers
26 views

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

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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2answers
945 views

VM share host's VPN connection

I am trying to get a (guest) VM running on my (host) machine to talk to a (remote) VM running God knows where on some server that is accessible via corporate VPN. I am able to SSH from the host to the ...
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3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
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1answer
609 views

While Deploying Virtual Desktop Infrastructure (VDI), I'm not able to add any VM's in the Collection

I am trying to create a Virtual Desktop collection, when ever i reach the page where it asks to select a Virtual Desktop Template it does not detect any Virtual Desktop even when I have a VM on the ...
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30 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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2k views

Hyper-V appears to runs on top of the host OS, so why is it considered a native (type-1) hypervisor?

Wikipedia says: Hyper-V, codenamed Viridian[5] and formerly known as Windows Server Virtualization, is a native hypervisor...* Wikipedia itself says that a native hypervisor is type-1 ...
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3answers
925 views

Linux for work, virtualized Windows for games?

Hello, as a freelance developer I recently found myself severely bound by the memory limit of 32-bit operating systems, and I need to upgrade to a 64-bit system in order to continue working ...
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0answers
86 views

XEN HVM: GUI rendering artifacts on VNC

I'm facing a strange issue running Xubuntu (tried Ubuntu also, same problem with Unity, but no problem with Metacity) on Xen HVM while connecting to it via XEN's builtin VNC. Some parts of the user ...
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1answer
20 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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2answers
4k views

VT-X option not available in BIOS even if Intel Core supports VT-X

Im trying to speed up an android emulator using VT-X but there is no VT-X options in my BIOS. Even worse, my BIOS is almost empty! There is only the change password, which way to boot, information and ...
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1answer
20 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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2answers
1k views

What are the differences between OVF-Version 0.9, 1.0 and 2.0?

I have Virtualbox 4.3 and want to export different VMs because I'm recover my computer. When I want to export a VM I can choose between OVF-Format-Version 0.9; 1.0; 2.0 But what are the differences ...
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2answers
4k 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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18 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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13 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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30 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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2answers
36 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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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 ...
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29 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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1answer
1k views

cannot start virtual machine windows 8 hyper-v laptop i5

I recently bought an Asus laptop equipped with i5-3317u 1.70GHz and Windows 8. Upgraded to Windows 8 Pro and added the hyper-v feature. Creating a VM goes OK but trying to start it, it fails with a ...
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16 views

How to host Windows Server 2008 R2 64bit on a non-VT 32bit?

My laptop is 32bit running Windows vista with Intel Core 2 due processor. I tried to host Windows Server 2008 R2 64bit using VMware Workstation but it doesn't load and Displays this message: " This ...
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2answers
92 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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VT-x is Enabled, but is not operational ? Winows 8 unable to run 64-bit virtual machine

Vt-x is Enabled in Bios and it shows working in Intel Processor identification utility. but I'm not able to run 64-bit Guest OS on both VirtualBox & VMware Workstation. Virtual Box says ...
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19 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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1answer
14k views

Cannot install Hyper-V platform on Windows 8.1 Pro

I have a problem related to installing Hyper-V on Windows 8.1 Pro x64. I decided to experiment with some Windows Phone 8 programming. In order to install the simulator I need to have Hyper-V platform ...
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49 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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3answers
9k views

Access localhost on Mac OS X from Parallels machine

i need to test my web site, running on a local Mac, under several browsers in Windows. I use Windows XP, installed in Parallels Desktop. It would be great, when i will be able to access my ...
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5answers
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Can you run one virtual machine inside another?

Is it possible to, say, run VirtualBox on Windows 7 with a Linux guest, and inside that Linux machine run Bochs? The reason is that I'm interested in starting OS development, and I've found that all ...
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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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2answers
45 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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0answers
19 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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35 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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3answers
2k views

Import virtualbox vhd to hyper v

I've been trying to import a VHD file created on VirtualBox to Hyper V, with no luck. Details: VirtualBox version 4.3, running on Mac OS X Mavericks Hyper V version 6.2.92, running on Windows 8 ...
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2answers
23 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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1answer
33 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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2answers
13k views

64-bit Windows guest in VirtualBox impossible without VT-x support?

I have successfully installed Windows Vista 32-bit in a VM with VirtualBox. Now I'm trying to do the same with Windows Vista 64-bit and it just isn't working. I have created the VM but it seems that ...
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1answer
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Hyper-V won't start - Not enough storage available to complete this application

on windows 8.1 Pro 64bit when in Hyper-V Manager click Start Service, after a while (cca 60s) new event apears in event log - System saying: The Hyper-V Virtual Machine Management service ...
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38 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
41 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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2answers
209 views

How to avoid CRITICAL_STRUCTURE_CORRUPTION errors with VirtualBox inside VMWare

I have the same setup as described here: http://stackoverflow.com/questions/17175696/running-vagrant-inside-vmware-vm Now I'm frequently getting BSOD with a CRITICAL_STRUCTURE_CORRUPTION error and ...
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596 views

Boot to VHD backup plan

I have a machine that I just reinstalled Windows and all of my applications onto... what a chore that is. I want to totally and completely avoid this from now on by creating an image. My first ...