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

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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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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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507 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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2answers
118 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 ...
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1answer
51 views

Alternative way of converting physical disk to virtual

I have a hard disk (60 GB, about 20 used) with windows XP I want to convert to a VirtualBox hard drive. I followed the instructions in [https://www.virtualbox.org/wiki/Migrate_Windows] but the process ...
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577 views

import Virtualbox disc with snapshot

I have a VirtualBox discimage and a snapshot of the current state. How do I import them to my current Installation? I tried to create a new machine, creating a snapshot and replacing this to files ...
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3answers
133 views

Is it possible to run a virtual machine inside an emulator?

From what I gather a virtual machine makes use of a technology provided by the CPU; a technology called V.T., or "Virtualization Technology" in certain designs of Intel processors. I don't know how ...
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22 views

Generate measurable network load for VM host

I am in the process of building a VM whose purpose is to generate load on its host machine for CPU, RAM, Disk, and Network. The first 3 are easy enough, but I am stuck on the networking portion. I ...
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4k 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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662 views

Running boot2docker within a Windows 7 64Bit Virtual Machine?

For a project my team is trying to set up a test/development environment including programs and services like different database-system as well as docker. To guarantee a working environment, we have ...
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1answer
1k views

Error 0x0000005D installing Windows 8 on Virtual Box

I'm trying to install Window 8 on a VirtualBox but when it starts I get an error message: You have to restart your PC Along with the errorcode 0x0000005D. After searching on the internet I ...
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2answers
3k views

How a large virtual machine disk affects SSD life time

I've an interesting doubt. Since virtual machines create a file that represents a hard disk - the so-called virtual disk -, and it usually takes 20-40GB (and even more), how does this affect a ...
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21 views

Use VMWare with out a network?

I have a server running on VMWare that I need to communicate with using my computer. It works fine as long as I am hardwired to the network at work. If I try to work from home I am unable to ping the ...
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1answer
265 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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0answers
40 views

AMD-V not available to nested VMs?

I'm using an Ubuntu 12.04 virtual machine as part of my personal development environment, which is run through VMWare Player on Windows 7. Now, from this Ubuntu machine I'm trying to use 'vagrant up' ...
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71 views

How to virtualize windows already installed on the hard disk in Ubuntu?

I have a hd with windows and Ubuntu installed in dual boot, I'm wanting to virtualize the installation of windows in ubuntu. Is it possible?
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407 views

KVM bridged networking issues

newbie warning: I'm completely new to virtualization so there might be an ridiculously simple solution to this... I'm trying to run a virtual machine with KVM on Ubuntu 14.04.1 LTS as host. For ease ...
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194 views

multiple ip and subnets in virtual routed xen environment

I'm trying to setup a multi ip, multi subnet environment using xen on debian wheezy host. I have only one NIC and the guests are also debian wheezy. this is my original, working, ...
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1answer
524 views

Windows and Linux “dual boot” or simultaneously (similar to bootcamp) on same PC

Not sure if the "dual boot" correct wording for what I wish to achieve. but I'll have a go and please correct me if I am wrong. I am a developer and I wish to have a PC with Both windows and Linux ...
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2answers
3k views

How to activate VT-x on a Acer Aspire E1-571G?

How to activate the hardware virtualization an this laptop if on the BIOS i don't have any options...It's very simplified ( the only tabs on the BIOs are those: I searched and the processor ...
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3answers
124 views

How to use same Snapshot as a base for multiple VMs in VirtualBox

I've got a VM with only the OS [Ubuntu] running clean. I'd like to share this OS installation as a base for multiple local VMs I plan to have in order to save disk space/multiple installations. Is ...
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1answer
912 views

Alternative to Sandboxie [closed]

I've been using Sandboxie for some time now in order to run multiple instances of one program. The program has been updated and no longer runs in Sandboxie. I am looking for an alternative sandboxing ...
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1answer
34 views

Executing a c operating system inside VMWorkstation [closed]

I am planning on starting development a small, simple operating system, however I am unsure about a starting point.Would running the code inside a VM without a OS in it be the best approach at ...
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1answer
571 views

Why do I need to install RSAT on Windows 8.1 for accessing Hyper-V Server 2012 R2?

Since Windows 8.1 has Hyper-V Platform and Hyper-V Manager built in to it, if I just enable the Hyper-V Manager on my Windows 8.1 client machine I should be able to access the standalone Hyper-V ...
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36 views

Virtual PC to hardware PC

I know that it is possible to make ordinary PC system virtual and run on virtual machine. For example it is supported by Vmware. But now I need somehow place virtual PC to hardware and run it without ...
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180 views

Can I avoid losing three IPs per network on a bridged Xen networking setup?

About a month ago, I asked this question on Superuser. The answer given there certainly works, but I've run into an issue I haven't thought of before. The setup I had running (based on the previously ...
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1answer
42 views

How data transfer happens between two VMs which are hosted on the same host?

I would like to know about How data transfer happens between two VMs which are hosted on the same host? is it through the router or any other medium (like virtual router)?
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How to map a symbolic directory link to different directories based on user id

Is there any way to a map a symbolic link directory to different directories based on the user id in Linux. For instance if a user X executes cd /var/www/html/ then his/her directory gets changed to ...
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1answer
3k views

How do I attach a physical DVD to a Hyper-V machine?

I have Hyper-V running on Windows 8.1 host and now I need to install an operating system on the virtual machine. My operating system is on a physical DVD in a USB DVD drive attached to the physical ...
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250 views

qemu: How to use resolutions > 1024x768 in Windows 8(.1)?

In previous Windows versions, I was able to get higher resolutions in qemu/qemu-kvm by passing the -vga std or -vga vmware command line parameters. However, when I try the same for Windows 8 (and ...
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62 views

How to change the network where the virtual machine is connected to, in Vmware ESXi with Perl in Linux?

Can anybody answer that how to change a VM's network with Perl? I would like to periodically change the network where the VM's nic is connected. Thanks
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226 views

can't share internet connection with virtual machine

I've received a cloud test-server and i'm trying to test virtualization (i dont have any experience with virtualization whatsoever) ... I have a windows server 2012 standard, and have a vm running. ...
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64 views

PC to virtual machine [duplicate]

Currently I'm moving from old PC to new one. I have windows 7 installed. I'm planning throw away old PC, but before that I would like to have possibility to run old PC operating system just in case I ...
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349 views

VT-x on Asus B85M-E motherboard

I have moved from Intel motherboard to new Asus B85M-E one. Now I'm trying to run my old virtual machines I have installed on Intel motherboard and can't run 64 bits systems. While running Linux ...
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2answers
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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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410 views

No VT-X support for Intel i7-4702MQ as required by a virtual machine ? How to enable?

I've recently bought a brand new machine from Clevo. It has the i7-4702MQ CPU from Intel and should be used for development, where sometimes a virtual machine is necessary. However, I can't seem to ...
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Server-Mainboard - use iGPU instead of onboard Graphics for desktop virtualization

I'm assembling the hardware for a home server and have following question: At the moment, I've chosen the Asrock E3C226D2I as Mainboard. It has an onboard "Graphics Card" by Aspeed, AST2300, but only ...
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1answer
35 views

How do I virtualize my windows drive in ubuntu?

I am running a dual boot system. In parallels on my mac, I am able to view my bootcamp partition live in a virtual machine. Is there a tool to do this in ubuntu?
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Can user-mode Linux be compiled and run on UNIX systems?

e.g. on NetBSD or Solaris? Or does it require exclusively Linux-specific system calls, virtual filesystems, etc.? Also, if it's currently limited to Linux, what changes would be required to port it ...
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328 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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1answer
132 views

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
128 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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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
980 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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1answer
865 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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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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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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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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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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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 ...