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 use the same Virtual Machine in two virtualizers?

Is it possible to use the same virtual machine in VirtualBox and also in VMware without losing any data? I don't need to use them "at the same time" but rather have the choice to lauch the virtual ...
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15 views

Better use XEN or KVM? [on hold]

I have read a lot about XEN and KVM (best documents I read where from phoronix.com and major.io) and would like to know which one is really better. The thing is, that according to the stuff I read ...
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27 views

Virtualization for security reasons [on hold]

I am going to build a home server and I am planning it's software setup. I would like to expose one or two services to the outer world. Namely, OwnCloud, in order to have remote access to my files. ...
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21 views

Windows 10 Technical Preview HP Virtualization Technology : Not Booting Up

For running Windows Phone emulator of Visual Studio, it requires to enable the virtualization technology in BIOS settings. I am using Windows 10 Technical Preview in HP 15-r022tx machine. When I ...
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1answer
25 views

Enabling Intel VT-x virtualization with a Dell Bios

Edit: My previous questions was wrongly written so I'm going to explain myself better. I've been trying to install Intel's HAXM in my PC(Dell Optiplex 3020, Intel Core i5 4050). I haven't been able ...
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2answers
56 views

Transfer VM without shutting it down?

Is it possible to transfer a VirtualBox VM from one server to another without shutting it down? Is there any way to achive this? Does this technology have a name to identify it? As far as I know Xen ...
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34 views

Cannot disable Hyper-V in Windows 8.1, listed as missing [duplicate]

I'm trying to run AndyOS. Its an Android emulator to run Android apps and games on my PC. My system meets the hardware specifications and since I have prior experience in running virtual machines, I ...
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15 views

Blinking white transparent screen in VMware workstation 11

Whenever I play games in my VMware workstation 11 virtual machine, I get white transparent blinking screen, the blinking screen is covering entire virtual machine screen, and it goes in intervals of 5 ...
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35 views

Unable to change IPv4 properties for a VirtualBox Host-Only Adapter

Keeps coming up with: In order to configure TCP/IP, you must install and enable a network adapter card. Using Vagrant and ScotchBox if that helps but also tried with a basic Vagrant box and same ...
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16 views

esxi VM resource allocation for multiple users with varying requirements

I have an esxi host which several users will use as a development machine. Let's say that I have a host with 32 cores and 32 GB of RAM and 4-5 developers that will work on Ubuntu machines. The number ...
1
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1answer
32 views

What are the differences between the linux-virtual, linux-image-virtual, and linux-image-extra-virtual kernels in ubuntu? [closed]

I'm wondering what the differences are between these kernels? linux-virtual linux-image-extra-virtual linux-image-virtual
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46 views

Vagrant up error: E_FAIL (0x80004005) with Laravel Homestead

I've recently did an update to my vagrant box as well as a composer update for laravel homestead and now I'm granted with an error when I use homestead up. Bringing machine 'default' up with ...
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8 views

Cannot create a virtual machine on Fedora: Activation of org.freedesktop.machine1 timed out

I am trying to create a new VM within Fedora using virt-manager. However, I get the following error: Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line ...
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15 views

Desktop virtualization (Hyper-V / vSphere)

Is there a way to deploy vSphere on a single Desktop PC and have it do a GPU passthrough to a client (so eg. I could "switch OSs" on a key combo), or a similar solution? Note that I don't mean VMware ...
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0answers
16 views

Disk I/O controller performance

I am building an home server with an old HP media center m8125x (link for all specs : ...
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2answers
544 views

Virtualise a physical Windows 95 PC

I recently found my old Windows 95 PC in the attic. Is it possible to virtualise it before I dispose of the hardware? What is the best way of achieving this? The machine doesn’t have USB. I might be ...
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22 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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25 views

Windows 8.1 Pro restarting in VirtualBox boot from ISO (virtualization enabled)

I am trying to install Windows 8.1 Pro X86 on a VM with VirtualBox. My OS is LinuxMint 17 Cinnamon. Everything is set up properly except for the fact that I can't asign more than 1 CPU to it in ...
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79 views

troubles with PCI-E passthrough with qemu on ubuntu: pci-stub/bind says no such device

so im trying to bind my second radeon card to pci-stub, as per instructions for setting up GPU passthrough in here, but once i get to binding the card to pci-stub, it tells me it isnt there. this is ...
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1answer
26 views

What happens when KVM virtual machines try to use the same core of a processor?

I have many virtual machines hosted with KVM on a single server. The problem(?) is there are now more machines then cores of the processor. From what I found I cannot use more RAM then I have but can ...
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1answer
47 views

Installing Intel HAXM inside VirtualBox

I'm trying to install Intel Hardware Acceleration Execution Manager in a Windows 7 guest using VirtualBox. When I run intelhaxm.exe to install it, I get the following error: This isn't true, ...
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2answers
9 views

Limit VirtualBox guests to one network interface

I have one Linux (Ubuntu) box and inside two Virtualbox guests (guest1 + guest2). The host has two interfaces. (eth0 + eth1) I need to define: Host uses only eth0 Guest1 uses eth1 Guest2 uses eth0 ...
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19 views

Oracle VM Virtual Box Import virtual appliance error

While importing fedora 19 virtual applience in virtualbox i met some error. here is some description of problem: image: http://s013.radikal.ru/i323/1411/ed/071ef5dd1c47.png in error description is ...
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2answers
37 views

Virtualization enabled from host computer but disabled from guest virtualbox?

I have enabled virtualization on the BIOS and verified it by issuing this command from the host computer: I have ubuntu desktop 14.04 64 bit as host, virtualbox 4.3.10 and ubuntu server 14.04 64 bit ...
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42 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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89 views

Making a VDI image bootable for VirtualBox

I created a disk image of a Ubuntu (12.04) system by using dd if=/dev/sda6 of=xxx.img The VDI image was created by using vboxmanage clonehd xxx.img xxx.vdi --format VDI When I create a new VM ...
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1answer
27 views

Advice on buying a server for virtualization [closed]

So I am a student. I'm looking to buy a server for virtualization. I would like to test different product and make testing environments (like in production) to expand my knowedgle with server ...
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82 views

Intel VT-x not working on Lenovo z510

I wanted use my Lenovo z510 to test the new android lollipop using HAXM, but while installing it said that I have no VT-x technology. The product page says that my processor(intel pentium 3550m @ 2.30 ...
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1answer
34 views

How to shrink an VMWare multi volume disk?

I'm familliar about srinking the total space of a virtual disk of Oracle VirtualBox disks using their vboxmanage.exe comandline tool for shrinking, but now I have an VMWare multi volume disk (vmdk), ...
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1answer
37 views

Best approach for multiple virtual Mac OS environments

I'd like to test a piece of software against as many different versions of Mac OS as possible. If I was to do this with Windows I could use something like VMware to install multiple versions on the ...
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2answers
81 views

Existing Win7 machine: Install Ubuntu and convert existing Win7 to VirtualBox VM

I have a dev laptop with Windows 7 installed. I want to switch this to Ubuntu and convert the existing Win7 physical installation to use in VirtualBox running under the newly installed Ubuntu. I ...
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1answer
58 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
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Mac OS X virtualization on a PC [duplicate]

Is it possible (and legal, and to be precise: EULA does not necessarily mean law) to buy Mac OS X (without Apple computer) for the purpose of virtualization on a PC?
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18 views

QEMU: Saving space in a “child” image?

I'm not exactly sure what the QEMU terminology is, so I'll clarify that "child" image means an image that has a backing image. I.e, an image that contains the differences between the backing image's ...
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25 views

Creating a similar application structure to the PortableApps format with ThinApp

I want to create a similar application structure to the PortableApps format vith VMWare Thinapp, but without the Source and Other folders. I don't need a lot of .ini files in order to save ...
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58 views

Getting an already installed Android x86 partition to run on KVM

I have Android installed on sda3, and it boots fine when loaded from Grub with the following commands: set root='(hd0,3)' search --no-floppy --fs-uuid --set=root 977083a6-5762-4064-b860-39429b9e0cf8 ...
2
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1answer
66 views

It is possible to “virtualize” a OS who is already installed in the HDD?

I want to make a dual-boot between openSUSE 13.2 and Windows 8, but the tricky thing is here: I want to boot one of the OSes while I'm using the other (doesn't matter the order). Is that possible? ...
23
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1answer
986 views

Why is Hyper-V classified as native 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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22 views

Boot spare harddrive in virtualbox

I recently built myself a new computer. It is currently configured with two hard drives that boot two separate operating systems. My questions: Is it possible to boot hard drive B from within ...
0
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1answer
470 views

Warning: Connection timeout. Trying to ssh into a vagrant box

I used https://puphpet.com/ to develop a machine, its VagrantFile is http://codepad.org/lSV7EDrC Now after doing vagrant up the machine builds fine, but on vagrant ssh I get this: default: SSH ...
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0answers
120 views

VT-x/AMD-V hardware acceleration is not available - Windows 7 VirtualBox

I'm trying to run a Mavericks virtual machine on my Windows 7 PC using VirtualBox. However, every time I try to run it, it gives me the error message: VT-x/AMD-V hardware acceleration is not ...
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76 views

How to install Ubuntu 14.04.1 with dual boot through a virtual drive created in Windows 7

This may sound a dumb question, but I really need your suggestions on it. I have a PC running Windows 7. I just downloaded an ISO file of Ubuntu 14.04.1 (the latest one). The problem is that my DVD ...
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82 views

Cannot connect to Hyper-V Virtual Machine

I have a Windows XP Virtual Machine that is running perfectly (I can watch it bootup and the desktop appear in the Hyper-V Manager thumbail preview) but I cannot Connect to it. It just keeps timing ...
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24 views

How to boot xen guest with efi?

I am using Xen 4.4. My dom0 is the latest Gentoo, with grub-EFI booting. I want to create a Windows hvm. Currently, the vm I created can boot from an ISO and install windows. But if I point the disk ...
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1answer
79 views

VirtualBox VDI's max size exceeds the host's hard drive size

I had a major oops moment that led to my VirtualBox guest VM's hard drive being larger than the host's hard drive. I rushed through reading the commands for resizing a virtual hard drive. As such, I ...
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61 views

Can't use 1920x1080 Resolution on Xenserver windows 7 guest

I am using Xenserver 6.2 on my dedicated server and created a windows 7 Ultimate x64 sp1 guest , and Now I am managing it remotely using Teamviewer . I have tried Powerstrip , But my Advanced Timing ...
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1answer
41 views

Isolate computer network card from main OS

I am starting a project with my old computer, planning to make it into an economic multifunction server, but I am new to networking, servers, virtualization and firewall-Antivirus-Anti-spam software. ...
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32 views

Hosting a 64 bit Linux guest on a 64 bit virtualbox guest. (Virtualbox nesting) [duplicate]

I have installed Virtualbox 4.3.10 on Ubuntu 14.04 64 bit running on the metal. ➜ ~ uname -a Linux bluebox 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 ...
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126 views

How to let the Hyper-V / Virtual Machine Connection window use native resolution instead of incorrect high-DPI scaling?

I installed Ubuntu 14.04 on a Hyper-V virtual machine hosted on Windows 8.1. It all runs on a Surface 3, so the high DPI scaling is enabled on Windows. I also have a plain old full HD secondary ...
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34 views

Live VM snapshot without pausing the VM

Which virtualization systems support taking a snapshot of a running VM without pausing the VM? As far as I know, both VMware and VirtualBox pause a VM while taking a live snapshot. Technically it ...