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

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Can I run my desktop on a bare-metal VM layer to swap between operating systems?

I'm running CentOS as my primary desktop, but I need to be able to use Windows and Ubuntu from time to time to test things on those. As I don't have any extra hardware immediately available, I could ...
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1answer
17 views

Can I pass disks through Hyper-V to a Linux VM for md RAID on any hardware?

I toyed with the idea in the past few months of virtualizing a workstation machine (with ESXi/Xen/etc), basically having it run some very basic server stuff behind the scenes; this was more of an ...
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1answer
12 views

Creating Portable Apps from installed Programmes

I want to make an existing application on my laptop portable. From what I read, there are a number of applications that will do this but they all require that the application is a first-time install. ...
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1answer
1k views

Could I access a blocked website via a virtual machine if the host OS has the web address blocked in its hosts file?

I was going through this Net Nanny article that mentioned about the various ways its web filter could be bypassed by kids. Among other methods, I saw this: One way that teens can get around the ...
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1answer
17 views

Sharing a VirtualBox image … clone, export, or copy?

I'd like to share a VirtualBox image with other developers, similar to this question: How to share a VirtualBox image? There seem to be three basic answers to that question: Copy the entire VM ...
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2answers
120 views

How can I run OS X on a virtual machine in OS X? (Use case: testing software on different OS versions.)

I'm currently running OS X 10.8.5 and I would like to set up a virtual machine that runs OS X 10.9. (The other way around would be fine too. I would upgrade to OS X 10.9 and run OS X 10.8.5 in a ...
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5answers
34k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it ...
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1answer
29 views

How much RAM should I put aside for ubuntu virtual machine

I currently have windows 8 in my laptop with 4 gb RAM.. I recently installed the virtual machine of ubuntu. Now I need to run a tool whose memory requirements are as follows : 1) Atleast 5 gb RAM 2) ...
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2answers
699 views

How to reuse VirtualBox disk “snapshots”

I have a "suite" of 5 VMs I'd like to make, all Ubuntu Server 12.04 guest OSes but with radically different software stacks on top of the OS (one server is a "build server" with Subversion, Hudson, ...
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7 views

Lenovo T400 virtualization fails despite set in BIOS

T400 virtualization fails despite set in BIOS I found this post http://forums.lenovo.com/t5/ThinkPad-Edge-S-series/Hardware-Virtualisation-on-E520-with-i5-2540M-2-6GHz/td-p/608633 when I searched on ...
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1answer
17 views

Install Windows Server 2012 R2 in qemu VM

I'm trying to install Windows Server 2012 R2, but right after loading Windows files I'm getting: Your PC needs to restart. Please hold down the power button. Error Code: 0x0000005D My command is: ...
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0answers
12 views

Open VHD with Windows

I have a fully patched Win7 PC with XenCenter installed and VHD files registered to XenCenter. As of now, I am unable to open a VHD file on this PC - whenever I open it in XenCenter, it wants to ...
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0answers
499 views

Multiple Linux distributions return “Fast TSC calibration failed” when running on Hyper-V

Client Hyper-V on Windows 8.1 Pro host with Intel Core i7-4800MQ processor. Several Linux distributions, including openSUSE and Kali Linux, return the following error message when booting up in a ...
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2answers
8k views

What does “Virtualization” in the Task Manager on Windows do?

If I open up the list of running processes in the Task Manager on my Windows Vista. Then I can right-click on a process and chose "Virtualization". Not much happens after that. What does this really ...
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1answer
112 views

How should I configure Xen to allow multiple different IP ranges in the domUs?

I'm trying to get Xen running in a setup where the domUs have a completely different IP than the dom0 (not in the same network range). This answer got everything working within the same /24 range, but ...
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1answer
32 views

Virtualize a server into a vm image for testing

I need to run some tests before deployment on an environment as close to my production server as possible. How can I virtualize the current installation into VM image to be able to run some of my ...
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2answers
7k views

How to map host PCI device to virtualbox?

In a virtual box it is possible to map host's USB device. But is it not possible to map host's PCI device to guest system? How is it possible to connect (map) a PCI device to guest OS? Our host ...
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0answers
15 views

Unable to browse to certain sites

I have a few guests on a XenServer host, and some sites ( both SSL and non SSL ) cannot be accessed by the XenHost and the Guests. Other machines on the same network can access these sites just fine, ...
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0answers
5 views

Virtualbox, Windows 7, how do I remove “ATA Device” from msinfo32 and Device Manager?

In Virtualbox, you can change the hard drive or DVD name, manufacturer, serial, etc. (Virtualbox manual, 9.9.2.). However, the friendly name always ends with "ATA Device", after the normal formula of ...
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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 ...
9
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2answers
18k views

Can't install Guest Additions using VirtualBox, Ubuntu guest OS, Win7 host OS

I'm new to VirtualBox and Linux. I've set up VirtualBox 4.0.4 on Windows 7. Successfully created a virtual machine running Ubuntu server 10.10 64 bit. I'm trying to set up Shared Folders. Prerequisite ...
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29 views

Nested virtualization on (OpenStack on ESXi on Windows)

For the last few weeks I have been reading a lot about OpenStack, Cloud Computing, virtualization, VMware tools and I have decided to try it. I would like to install, configure it and try it to see ...
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1answer
3k views

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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2answers
14 views

Output CMD command line to file does not work on Windows XP VM

I install a Windows XP virtual machine on Window 7 using VirtualBox. I run a command within the VM: ping www.google.com > file.txt but no result found in the file. It is the same with all other ...
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32 views

ScanDisk (ChkDsk) on shared folders on Virtual Machines: is it needed?

Scenario: Windows XP SP3 running on Virtual Machine (VM) guest (VirtualBox). A host's shared folder, say d:\VMSharing. The guest VM has some file(s) in use from that shared folder (so he is ...
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1answer
423 views

XEN killed my laptop

I need to setup a XEN-Server in order to create a virtualized environment. I have successfully done this in a desktop pc but now when I installed the same in my Dell Inspiron laptop, the installation ...
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4answers
12k views

emulate fake monitor on windows 7?

Is there any way to emulate a monitor on Windows 7? I have one physical monitor, and I want Windows to think I have two. I actually don't care whether the second monitor is visible anywhere, or if I ...
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1answer
1k views

VMware - Workstation 9

I'm trying to install windows server 2012 on my "VMware 9.0 32 bit app" and it gives me an error that It can not install any 64 bit software I am using a Dell 3521 laptop and I have Windows 8.1 64 ...
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0answers
11 views

How to overtake the limit of NICs in virtualization softs?

I want to connect unlimited number of NIC to a mikrotik virtual machine but all virtualization softwares has limit to the number of NICs so, is there a soft that doesn't have limit? if there ...
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4answers
25k views

Hyper-V won't enable in Windows 8 Pro: “Virtualization support is disabled in the firmware”

The checkbox to install Hyper-V in Windows 8 Pro is disabled. Hovering over it reveals the message, Hyper-V cannot be installed: Virtualization support is disabled in the firmware. There is a ...
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0answers
7 views

xen tool xl not available

I am running debian wheezy I have already run apt-get install xen-tools $ sudo apt-get install xen-tools sudo: unable to resolve host wheezy-xen Reading package lists... Done Building dependency ...
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1answer
149 views

Vsphere Esxi 5.5 only shutdown permission to local user

I have created a normal user in ESXi, I want to allow that user to shutdown the ESXi server directly from console by pressing F12 key. I have given this permission (Host’ –> Configuration –> ‘Power) ...
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1answer
316 views

Errow while installing SCVMM 2012 R2

When i'm trying to install VMM on server 2012 R2, I get the following error "Installing G:\amd64\setup\msi\Server\vmmServer.msi failed with Windows Installer error 1603. See ...
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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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6answers
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VirtualBox guest OS accessing local server on host OS

On my Ubuntu host I have my local webserver. I installed VirtualBox and Debian as a guest. I would like the Debian guest to be able to hit my webserver running on my Ubuntu host (for example, I just ...
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4answers
542 views

Running virtual machines: Linux vs Windows 7

I have tried running windows xp development virtual machine under windows 7 and the performance was dreadful. I'm considering installing Linux and running the virtual machine from the Linux, but I'm ...
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3answers
624 views

Sharing an Internet connection with VirtualBox

I connect to the Internet using a WiMAX USB dongle. Sadly, the USB doesn't work on Linux. Can I, in principle, use VMWare or Virtualbox to install and run a Windows machine from Linux and connect to ...
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1answer
65 views

Viable virtualization solution for home networks

lately i was thinking about a solution how it would be possible to replace all high end computers in my home with one (powerful) server, which virtualizes all the clients. Scenario My main ...
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21 views

Portable system on a SDCard

I want to have a portable system in a SDCARD, the requirements are as follow: It should run on a Bare Metal virtualization in a NetBook This should run solely as a medium to the virtualization, so ...
2
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1answer
32 views

Native Boot differencing VHD with parent from different volume

Is there a way how to boot Windows 7 from a differencing VHD which is located on different drive than its parent VHD? Here is appropriate part of output of bcdedit command: Windows Boot Loader ...
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1answer
498 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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4answers
7k views

Is it possible to export a VirtualBox drive to a “real” hard drive?

I have a Windows 7 VM on my Mac OS X VirtualBox Host. The virtual drive is a dynamically-expanding with a limit of 20GB. Is it possible to export the .vdi virtual hard drive to a real, physical hard ...
0
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1answer
53 views

Pinging between two different vm's with different subnet on same host

I am running a windows machine and i am running virtualbox on it I have two VM's for cent os. I want the two VM's to ping each other but they should have different subnets. I am not really sure how ...
0
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1answer
36 views

Hyper-V within Azure virtual machine

I'm trying to move my development and testing environment in the Azure cloud. I would like to know if it's possible to have an Hyper-V running within an Azure virtual machine ? For the moment I ...
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0answers
24 views

open nebula virtual machine doesn't connect to outside internet

I'm working on open nebula I am trying to build a small cluster with two nodes but my virtual machines doesn't connect to outside internet. I am on a i7 16GB machine running ubuntu 14.04 that will ...
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2answers
2k 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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2answers
101 views

Steps to make native boot vhd boot in virtual box

Apologies in advance if this has been previously discussed, I did my best attempt at searching and could not find what I was looking for. My issue is that I have a windows 8 vhd I want to update to ...
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1answer
20 views

Does hard resetting a Virtual Machine carry the same risk that hard resetting a “real” machine does?

It is common knowledge that doing a "hard reset" of your personal computer, that is, toggling the power without following the operating system's shutdown/reboot procedure, is a bad idea. It can cause ...
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7answers
1k views

Dual-boot or virtual machine for Linux programmer that does some Visual Studio development?

The scenario: I am a freelance software developer that mostly develop on Linux (Python, MySQL, MongoDB etc.) My work computer is a Lenovo laptop w/ a i7 processor and 8GB RAM. Big HD + 128 GB SSD. ...
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1answer
62 views

Guest VMs unable to ping each other within a custom host-only network in vmware workstation

I have created a custom host only network VMNet2(without dhcp) in VMware workstation and connected my three VMs with this network. But the problem is I cannot ping any VM from any other VM, However I ...