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

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What are the differences between Cloud Virtual Machines and Virtual Machines on a computer?

Google has a service that allows you to create Virtual Machine on his Cloud. There are many Virtual Machine Types like Browsers (StackBrowsers), Mobile Phone, Operating Systems. You can use the Cloud ...
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Effective virtualization without VT-d

My configuration: Intel i5 M 460 processor (doesn't have VT-d). 4GB of RAM enough memory on HDD and SSD for everything I need. :D I'd like to make few virtual machine OS which I want run smoothly ...
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1answer
4k views

Cannot setup PCI Passthrough for display adapter in VirtualBox

VirtualBox supports PCI Passthrough and I'm trying to attach my graphics card to the guest OS (host is Windows Server 2012 and guest is Windows 8.1 Professional - so they should both work with the ...
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0answers
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Trying to install PFsense on Proxmox…lost

So I've been bashing my head against my desk for the last couple of hours trying to figure out how to properly set the network interfaces for proxmox. I'm looking to do something really simple where ...
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1answer
13 views

Customize and sysprep modern.ie virtual machines say for VirtualBox?

Has anyone done this or know if possible and the steps? MS has VMs for testing IE on modern.ie site. They're clean base images one extract and imports into VM software of choice like VirtualBox to ...
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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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0answers
14 views

How can multiple Linux distros be run simultaneously & equally resourced on screen in a VM?

What is the easiest and/or best way to run several lightweight Linux OS's simultaneously in separate display windows, in a reconfigurable virtual hardware environment, while (and this is important) ...
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0answers
11 views

Can I connect to an external-HDD-based Hyper-V VM from any computer?

If I create a VM on an external HDD using Hyper-V, and now want to connect to it from a different computer using Hyper-V on that second computer - Can that be done, or might that corrupt the VM? If ...
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4answers
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Why do virtual machine files on a ramdisk not run faster than on a physical disk?

I installed a total of 36 GB of memory (4x8 GB + 2x2 GB) onn the host (Windows 7) and I used ImDisk to create a 32 GB ramdisk and formatted it with an NTFS file system. Then I copied the virtual ...
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1answer
15 views

How to add an additional drive to an existing ZFS RAIDZ-1 in Proxmox?

I've a ZFS installation in Proxmox, in particular a RAIDZ-1 file system, for testing purposes (before going on production with this setup) I've added a new drive to the machine, but I'm blocked on ...
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0answers
17 views

Production plan for Two Simultaneous OS in one VirtualBox?

I have not found any public plans about having two OSs in one VirtualBox. Is there any news about having the feature of running two OS instances inside one VirtualBox?
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2answers
2k views

Maximum amount of hard drives in 64-bit Linux?

Is there a maximum amount of hard drives that one can connect to a 64-bit linux machine? I'm not concerned with practicality, as my situation involves a VM.
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3answers
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MAC addresses for virtual machines

As I understand it, MAC addresses are assigned to every physical device by the manufacturer. By extension, how are MAC addresses assigned to virtual machines - for example if I create a new virtual ...
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1answer
24 views

how do I copy large datasets between two VirtualBox virtual machines?

I have two separate CentOS 7 virtual machines running in VirtualBox that is installed in a Windows 8.1 host. How do I transfer large amounts of data from one of the CentOS 7 virtual machines to the ...
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3answers
1k views

How can I migrate a VMWare image from my PC to OSX VMWare Fusion?

How can I migrate a VMWare folder/image from my Windows PC to OSX VMWare Fusion? When I copy the files across there is nothing to import; none of the VMWare files are selectable/clickable.
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1answer
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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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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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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1answer
24 views

Move physical Snow Leopard installation into VirtualBox

I've got a physical installation of Mac OS X 10.6.8 (Snow Leopard) happily running on my MacBook Pro. I want to move this install (not install a fresh copy of OS X and moving my data, move the extant ...
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0answers
15 views

IOV / SR-IOV / MR-IOV for non-network hardware

I've been looking for real-world examples of this for a long time -- mainly because I'm trying to decide whether to restrict my build-options to using only components (chipsets, processors, ...
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1answer
33 views

How to access multiple virtual webservers via one public ip

I'm preparing to configure a remote server, located in some data center. This server will have single public IP assigned. This server will have a hypervisor of some kind (KVM or Xen) installed. ...
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0answers
7 views

Hyper-V how to update the contents of virtual machine to physical machine

I have created a virtual machine from a physical machine. My question is if am working on virtual machine then how to update the contents on physical machine. I have created the virtual machine for ...
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0answers
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QEMU CPU Emulation Capability

Is it possible to emulate any/all Sandy Bridge CPUs using QEMu? Specifically, I am trying to get something akin to an Intel Xeon E5-26xx (a SandyBridge processor) running on hardware employing a ...
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0answers
25 views

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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1answer
32 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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0answers
117 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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2answers
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Is it possible to run windows under Paravirtualized Xen?

Is it possible to run windows under paravirtualized xen? Linux is possible because you can modify it. If you cannot run windows then what are the other alternatives to improve I/O performance?
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1answer
68 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
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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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0answers
45 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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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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3answers
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This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not possible

I have windows 7 64x professional Laptop , then i download a new VM on it , but when i try to mount an ISO imag for windows server 2008 i got the following error :_ **This virtual machine is ...
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1answer
753 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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2answers
781 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
9k views

Intel VT-x disappeared after upgrading to Windows 8

I've upgraded to Windows 8 some weeks ago (MSDNAA!) and today, while I was trying to run a VM, I've noticed that VT-x is disabled. Now, Hyper-V works without problems, as I've tried emulating Win7 ...
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2answers
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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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0answers
81 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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21 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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1answer
44 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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0answers
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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 ...
0
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1answer
53 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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0answers
35 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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3answers
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How do I convert an .img file to vhd?

I have an image file (linux based image) and want to convert it to VHD so that it can be used to create hyper-V VMs. I used "qemu-img convert" to convert raw to vpc format, but vpc doesnt work for ...
8
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5answers
8k views

Cannot boot after vhd hard drive is resized in VirtualBox

In Windows 7, I set up another Windows 7 VM in VirtualBox. It worked great. Then, I needed to increase the vhd HD size. So, I used VBoxManage utility to do that with the following comment: VBoxManage ...
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1answer
111 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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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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1answer
1k views

ESXi 5.5 on unlisted AMD A10 6800K possible?

I've done some initial googling.. and found AMD's A10 6800K supports virtualization via AMD-V. I'd like to install ESXI 5.5 on a USB thumbdrive to drive two+ VM's running Lubuntu. Has anyone seen ...
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5answers
5k views

VirtualBox from an existing partition

I installed VirtualBox on my Ubuntu Hardy Heron installation, and I would like to use it to virtualize Windows for those rare occasions that I actually need to do something there. Unfortunately, I ...
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2answers
7k views

Forcing monitor resolution in VirtualBox VM on Linux Guest

I am working in a VirtualBox 4 VM running Slackware-current. I have added an external monitor, and am attempting to set up both of them to run in their native resolutions, but am having no luck. I am ...
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1answer
266 views

Lightweight OS to run virtual machines on?

It's always complex to install multiple OSs on a machine, but it's easy to use VirtualBox (or similar). But running VirtualBox on a full OS and then running different OSs from there seems a little ...