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

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Implementing PCI-Passthrough with Linux-KVM on Debian

I am attempting to use PCI-Passthrough to attach an old video card (Radeon 4770) to a virtual machine. I am using Linux-KVM to run my virtual machines on a Debian Linux (Wheezy, 3.2.0-4-amd64) host. ...
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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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1answer
136 views

VMWare Fusion guest application list

How does VMWare Fusion compile its list of guest OS applications (specifically for Windows) that can be found by "show package contents" of USER/Documents/Virtual Machines/VMNAME and then in the ...
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64 views

Automatic VM Instance Install

I want to simplify setting up training computers for our trainers inhouse. The situation is we have an enterprise based software program (which runs with .net + SQL Server + IIS) and when our trainers ...
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1answer
539 views

How to enable Virtualization Technology in Samsung Chromebox

I need to enable Virtualization Technology (VT) in my Samsung Chromebox (Series 5) from Google IO 2012 because of Android x86 emulator from Intel. I am on Developer BIOS, but I have no clue, how to ...
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87 views

Using Another VM's Harddrive VMWare Server

I am playing around with VMWare and came across this scenario. I created a VMWare in VMPlayer, then decided I wanted to go the VMWare Server route instead (I know it's deprecated, but it's free!). ...
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1answer
2k views

VirtualBox 64-bit guest

I'm trying to install Ubuntu (64 bit) as a guest operating system in VirtualBox. My setup is an Intel i3 machine with Windows 7 (64 bit) and VirtualBox 4.3.4r91027 (latest version). I went through the ...
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119 views

Virtualization: pass audio and video from one VM to hardware

I have a Linux server at home for storage, development and testing purposes. I would like to use this server as a home theater solution as well. Now it doesn't seem like a good idea to run that ...
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24 views

bridging virtual machines on xen

I have a dedicated server, running xen and a few virtual machines set up as separate entities with their own IP addresses. I have about 16Gb RAM left, and I would like to create a few more virtual ...
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95 views

memcached issue on multi-core windows server with virtualization

i am having an issue running memcached (v1.4.4) on multiple cores. Here's my environment: Windows Server 2008 R2 SP1 running VMware, Intel Processor, only one core (out of eight) is enabled for the ...
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66 views

Efficient way to have several operating systems on one machine

I want to have several operating systems on one computer, but I want to do it in the most effective way. So far, I have been using VirtualBox - host os + several virtual machines. But I want every os ...
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111 views

Virtualbox, how to force a specific CPU to the guest

I have a XP guest in VirtualBox, windows 8 host. The guest shows the processor transparently same as the host (i5 2500k). However most of the installers don't recognize this processors and fail to ...
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159 views

Error starting virtual machine inside hyper-v running inside virtualbox running on windows 7 64bit

I have Windows 7 64 machine and have installed VirtualBox on it. I have enabled all the virtualization options in BIOS. I have created Hyper-V virtual machine and installed Stand-Alone version ...
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64 views

Add usb device to inactive domain

I have a USB device which I want to pass on to a VM using KVM and libvirt. If the guest is running, I just create a file containing the XML-definition of the device: <hostdev mode='subsystem' ...
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379 views

Nested kvm virtualization not working

I am trying to run a Ubuntu VM on Fedora 18 host. Now, my processor supports VT, so I have kvm installed and it's working. I launched the machine (Ubuntu 12.04 LTS) and installed kvm inside it. But ...
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53 views

VM doesn't pick up ip from dhcp

I'm running virtualbox in bridged mode on a windows host. ifconfig returns this: Here's the etc../interfaces file: How can I force it to grab an IP address from the dhcp?
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96 views

vmbuilder: enable ssh on virtual machine with boot script

I try to build a virtual machine with vmbuilder. I use this arguments compilation: sudo vmbuilder kvm ubuntu --suite=precise --flavour=virtual --arch=amd64 ...
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101 views

Very fast virtual machine rollback

Summary: Is there a VM that's optimized for fast in-memory rollback to a previous state? I'm looking for the fastest way to rollback a virtual machine to a previously known state. I'll be doing a lot ...
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20 views

Detect conflicting forwarded ports on VM

I am using Oracle VirtualBox on Windows. I've setup NAT and forwarded ports. When some forwarded ports are accidentally conflicting with host machine's ones, no errors are shown and all forwarded ...
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170 views

Using logitech mouse and keyboard with Virtualbox

Hi I've just installed Virtualbox and I've installed Windows 7 I have a Logitech K270 Keyboard and T620 Mouse, and the host system is Ubuntu 13.04. The Keyboard and Mouse lock each time I try and ...
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48 views

Sym links issue on virtualbox

I have a virtual box installed, and a guest OS of Ubuntu 12.04 on it. I have installed the guest additions too. So after mounting a shared folder and trying to build from that same mount folder I get ...
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43 views

Double Virtual OS

Is it possible to run openvz in VirtualBox ? Simply , I want to do this. operation system on my Real Computer is Windows (This is not virtual) In Windows I installed Virtual Box and installed Cent ...
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98 views

How can I run Xen on LiveCD?

I made a Debian LiveCD using Isolinux bootloader and I need run Xen from this liveCD, but only syslinux seems offer support for Xen with "mboot.32" module, I don't see nothing about isolinux. Is it ...
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274 views

VT-X is inactive in HP ProBook 4540s

How to enable virtualization (VT-X) in BIOS? I went to the correct spot after pressing Esc and it's there, unticked. I cannot even select it. It's inactive. Greay in colour. I logged to bios using my ...
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153 views

paravirtualization using xen in debian wheezy

i have been trying to run av virtual machine using xen but in the end i always get the error chroot: failed to run command `/sbin/shadowconfig': Exec format error hook 05-shadowconfig-on: done. ...
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52 views

2 computers, One monitor, side by side windows over Webex?

I want to show a live simultaneous, response time demo side by side and share it over Webex. I am trying to do this for a remote training session. I want to know if it is possible to show 2 windows ...
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35 views

macbook pro windows boot and virtualize off usb drive

I want to raid two usb3 flash drives install windows onto it this new volume and be able to virtualize it or boot off of it. Any thoughts? I've heard parallels can run a bootcamp install virtually. ...
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196 views

Can I configure and use 2 DHCP servers in my Home Lab Setup

I am setting up a Home Lab environment for development and testing. The purpose of this lab is multifunctional and the hardware involved is : Cisco ESW 540 24 Port GB Switch with VLAN etc... HP ...
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486 views

Virtual Box keeps crashing with message virtual box has stopped working

I have Virtual Box 4.2.12 and while doing guest installation (Oracle Linux), virtual box keeps crashing with these message oracle vm virtual box has stopped working Application event log has the ...
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71 views

Ctrl+alt+f1 in xen not working

My host is a Fedora 18 and the guest a CentOS 6.2, I'm using virt-manager as a gui tool to manage the virtual machines, when I send the ctrl+alt+f1 signal, screen shows unreadable liness, the same ...
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190 views

Intel Virtualization Technology Enable Issue

I have just purchased an ASUS P8Z77M-Pro motherboard with an Intel i7-3770 CPU. When I go into the BIOS (which I have updated to the most recent version, trying to fix this issue), and select ...
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410 views

linux KVM guests network performance is slower than host

i have a KVM linux based virtual machines, as the network performance of the host is running perfect with 1GB/s(in internal network) and using iperf tools it show that the network is running perfect ...
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214 views

After enabling the hardware virtualization in BIOS, Windows 8 fails to load

So, my problem is described in the header. After enabling the hardware virtualization (I've got Intel Core i5, HP Pavilion Sleekbook 15-b055sr), Windows 8 failed to load. When I switched off the HV, ...
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178 views

Is it possible to change the 'hardware version' in VMWare player?

I am using the latest version of VMWare Player, and I need to create an image for a server. Is it possible to downgrade the hardware version to version 7 (equivalent to VMWare Player 3.xx), rather ...
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417 views

installing 64bit windows guest on 64bit windows host - VirtualBox vs Hyper-V

I have installed Windows Server 2008R2 and now trying to install multiple Windows Server 2008R2 as guest. My CPU is Intel Core 2 Quad Q8400 @ 2.66GHz on Asus P5P41T-LE mainboard. First I have to tell ...
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108 views

vsphere clone machine - no IP?

in vsphere: shutdown VM1 clone VM1 to VM2 (a new VM) customize VM2 using vsphere's builtin tool. turn on VM2. doesn't get an IP address. (uses 192.168.x.x) I don't think it's the same situation ...
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804 views

How do I re-enable VT-x?

I have a Packard bell Easynote TM87 that I have been running Virtualbox for ages on. Today Virtual box tell me that vt-x is not available and my work virtual machines no longer boot. The processor is ...
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109 views

Enable virtualization in Lenovo y650

Has anyone successfully enabled Virtualization in the latest Phoenix BIOS (v2.8) for Lenovo Y650? I have tried the solution mentioned in this thread but it doesnt seem to work. The Intel Processor ...
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How to make VirtualBox or VMWare (or any other virtualization software) use a native guest network driver?

I've just posted something in stackoverflow and was asked to post this question here. I have a problem I could use some help with... I am really not an expert in virtualization, so I don't know if ...
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273 views

Remote view to To Hyper-V Guest Virtual Machines

My software can discover all the hyperv vms (a software agent is installed in the hyperv host which returns the information). From my software I can do any operation on the vm. Now I want to take a ...
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79 views

Install virtualbox on ubuntu 10.10

So I tried: sudo apt-get update sudo apt-get install virtualbox-4.1 And doesn't work, how do I install it..and I also have an image how do I run that..after I install virtualbox I just do ...
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197 views

Mac Virtualization on Windows 7

I've been a Mac developer in the past but because of a job switch I had to move to PC/Windows since the last year. I already have all my OS X dvds, I have VirtualBox, I have a VMWare Workstation ...
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528 views

HyperV - low CPU usage

I am very new to HyperV and virtual machine philosophy in general, so please expect more or less nooby questions :) I have a server that is only used as a host for virtual machines. OS is windows ...
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1k views

How to run Chrome OS Lime on VMware Fusion 4?

I recently downloaded a copy of the Chrome/Chromium OS Lime version from Hexxeh's website (chromeos.hexxeh.net) to try it out. On the website, there are 2 versions of Chrome OS - Vanilla and Lime. ...
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237 views

VirtualBox Host->Guest file sharing strategy

I am looking for a referential strategy to share files between a VirtualBox host and guest. For instance, in my setup, I have an Ubuntu Host and WinXP Guest. I use VBoxManage to create custom "Open ...
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111 views

What is the best way to maintain software tool chains?

Short Question What is the best way to create, maintain, and distribute software development tool chains? Background I am trying to develop a workflow / process to create an isolated environment in ...
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169 views

Windows 7 image in VMware will allow network connection out but not HTTP

I am currently trying to create a set of images to deploy on my network, but I've run in to a snag. When I create my own Windows 7 image I can successfully use NAT for connecting to the network but ...
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367 views

Multi-word dma 2

after installation of XP MODE I have in device manager in IDE ATA/ATAPI controler on my SSD disk Multi-word dma 2 mode/same mode like XP mode BIOS/. I using AHCI mode in bios and w7. Its any choice to ...
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How can I start a virtualbox vm remotely on a Windows host?

I've tried KpyM as an SSH server as well as cygwin. Neither vboxmanage nor vboxheadless seem to be able to recognized the virtual machines. commands run as expected via command prompt on the host, ...
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Is it possible to convert an external hard drive into a virtual disk and if so how?

I have an old laptop hard drive that I installed into a USB hard drive case. I can't set the BIOS of my desktop to boot from a USB device (USB hard drive cases aren't recognized as boot devices, from ...