A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.

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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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8 views

Where is Host-only Networks setting on VirtualBox 4.3.12?

I'm using VirtualBox 4.3.12 r93733 (with Ubuntu as guest OS, and Windows 7 as host OS). Trying to configure a Host-only Network, I expected to see the following window (or similar): However, ...
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14 views

VirtualBox bridged adapter not working with one network

I have been using VirtualBox bridged adapter with some networks and it has worked right. But a few days ago I have tried it with a new network and this time it has not worked. The only difference in ...
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18 views

WireShark - Vmware Network Interfaces

I've recently installed wireshark v1.12.4 on my Windows 8 Machine, and I am totally new to the program. I have a virtual machine running on vmware (Red Hat Linux 7.2) and got all the network ...
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9 views

How to recover from bad VBox Guest Additions build?

I'm using Ubuntu 14.04 (fully patched). Last week, the kernel took an update. So I [virtually] inserted the VBox Guest Additions CD and then proceeded to build it. I don't recall having any problems. ...
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Linux x64 VMWare image virtual hdd not expanding

I've been using virtual machines for a long time, mainly with VMWare Player (currently 6.0.5 build-2443746). I currently use a linux (openSuSE 12.2 x32 - KDE) virtual machine for everyday work, and I ...
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19 views

how to convert vmware to hyperv live without downtime?

Anyone know how to live convert a vmware vm (5.5, vmx3, latest vmtools) to a hyperV format without stopping the source vm? Microsoft Virtual Machine Converter 3.0 powers the server down after un ...
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12 views

Migrating Linux guest from Virtualbox 4.3.26 (latest) to VMplayer 7.1 (latest) on Win 7 64-bit host

Would like to understand if it is possible to migrate a Lubuntu guestOS image from Oracle VirtualBox 4.3.26 hypervisor to VMware VMplayer 7.1, where the hypervisor is running on a Windows 7 64-bit ...
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16 views

What happens to my data on a VM after my trial account expires?

I had created a VM using Azure free trial account, my account expired earlier that the 30 days as my credits were finished. I didn't get a change to delete my data, does anyone know what happens to ...
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17 views

Host OS Connection problems after VIrtual Box Installation

I just installed Virtual Box in my Windows 8.1 PC, with Debian as the guest OS, and using NAT for internet connection. The problem is that after that, my Host OS has been having trouble connecting ...
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11 views

How to move a Windows 7 VM's CSC to a network/host volume?

I am running a Windows 7 Pro virtual machine on VMware on Ubuntu 14.04, and would like to move the Win7's CSC (client-side cache, for offline files) to the data partition on the Linux host. This is a ...
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20 views

Virtual Machine freeze when memory low

I run an Ubuntu 64bit virtual machine (4 CPUs, 8Gb ram, 1Gb swap) on my Windows 8 64bit machine using virtualbox. I often find that when I do something memory intensive (generally only using 1 or 2 ...
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13 views

Azure VM Replication and Failover

Here's the scenario: I have an application that requires the existence of an Azure VM where all components of that application are contained in that one VM. (I know.) Naturally that VM exists in a ...
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1answer
20 views

Networking for CentOS 6.6 on VirtualBox

I have created 2 guests with 2 Network interfaces each - all 4 of which have the "Attached To:" set to "Internal Network". The aim is to create a simple internal network with no access to the Host ...
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9 views

GNOME Boxes: How can I route through the host's VPN connection from a Windows guest?

I have a Windows 8.1 virtual machine (a www.modern.ie one) running in GNOME Boxes. My host connects to my work network via OpenVPN, and I'd like to access some of the resources from the Windows VM. ...
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33 views

Cannot get LAMP stack working on Ubuntu 14.04.2 LTS

I have Ubuntu 14.04.2 installed as a virtual machine (VirtualBox) in my MacBook Pro. I am trying to get my LAMP (Linux,Apache, MySQL and PHP) stack to run a web server, but I just cant get not even ...
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17 views

Is possible to port virtual machine on second monitor?

Is it possible to display a virtual machine (VM) on a secondary monitor like a TV, and the "core" operating system on the primary monitor? I want to play a game with a friend, and I imagine I could ...
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13 views

VirtualBox only creates new virtual hard disk when there is enough space on 'C' drive

There are >200GB free on my 'F' drive but it failed to create a fixed-size VHD with size = 200GB. Failed to create the hard disk storage C:\Users\abc\VirtualBox VMs\OSOS\OSOS.vhd. Could not ...
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56 views

Increase resolution to 4K in VMware or Virtualbox

I Have a laptop with 4K (3860x2160) Display , But here is a lot of dumba$$ problems.A lot of software's is not compatible with 4k resolution. Also VMware Workstation and VirtualBox doesn't support 4K ...
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8 views

Guest as Virtual machine connection to Host

I have guest run on my machine on qemu with configuration: /usr/local/kvm/bin/qemu-system-x86_64 -enable-kvm -cpu host -smp 8 -hda ${TEST_VIRT_ENV_IMAGE} -m 4096 -netdev user,id=user.0 -device ...
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18 views

VM crashing on installation in VirtualBox

Installing Ubuntu 12.04 server amd64 on VirtualBox 4.3.26 on OSX 10.10 I select the language then select the default install option, and, after a split second of text scrolling by, the whole VM ...
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23 views

Error installing Ubuntu on VirtualBox

I'm trying to install Ubuntu 14.04.2 (x86 and amd64, both fail) on VirtualBox 14.3.26 on OSX 10.10 and I'm getting the following error: [ 0.000000] Fast TSC calibration failed.] Strangely, I was ...
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42 views

Cannot resize screen for Ubuntu VM in VirtualBox

I installed Ubuntu 14.04 LTS amd64 desktop on VirtualBox 4.3.26 which is running on OSX10.10 (amd64) and the only option for screen resolution is 640x480. This resolution is found under the System ...
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32 views

Is there a way to open a folder in Mac with Windows Explorer in the virtual machine under VMware Fusion?

I have installed Windows 7 in my Mac with VMware Fusion. When I want to open a folder in Mac that is shared with the virtual machine in Windows Explorer, I usually launch Windows Explorer in the ...
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11 views

Can I recover files from a corrupt VirtualBox vhi file from a linux host?

I am running Fedora 21, with a Windows 7 guest running under VirtualBox. One of the data drives is going bad, according to smartctl - /var/log/messages/ has a number of messages along the lines of: ...
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21 views

Boot from Windows recovery image in VirtualBox

I moved from Windows 8.1 to openSUSE a while ago. Before doing so I made a full system backup image using the native Windows utility for it. Ultimately it created, amongst other things, 3 vhdx files ...
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123 views

How do I make a hotkey to activate a specific VMware Workstation VM?

I'm using the latest version of VMware Workstation (11.1.0) on Windows 7 x64 and I want to be able to do a keystroke of "Ctrl + 1" to go to VM #1, "Ctrl + 2" to go to VM #2, and "Ctrl + 3" to go to VM ...
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9 views

How to get the entire log of a virtual machine where i am booting unix

To be very clear i want to read the console of a oracle virtual machine where unix environment is booting up. I have an *.ova file. I have imported it through VM . then after doing some settings i ...
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26 views

How to take advantage of USB3.0 speed for VHD of Hyper-V VM

i created a Hyper-V VM which has it's vhd on a external usb3.0 disk. But the vhd works way too slow. Normally i see around 98Mb/s read/write speed from the hdd if i use it from my main OS. But it is ...
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42 views

Windows XP as VM on an old computer

I have this old machine (a Powermate ML5 PC) with these specs: OS Name: Microsoft Windows XP Professional Version: 5.1.2600 Service Pack 3 Build 2600 OS Manufacturer: Microsoft Corporation System ...
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Setting up a Microsoft Cluster in a virtual enviroument

I currently have three physical hosts (Host1, Host2, and Host3) that are running Win2K8 R2 and each using installed roles: File Services and Hyper-V and installed features: Failover Clustering). ...
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For testing purposes how can SMB be used between two VMs?

For research purposes I want to connect two VMs together through SMB. How can this be done? I've tried using netem but can't seem to get it to work with SMB. So for example I just want to time how ...
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Call web application on Windows Server running inside VM from Host

I have been given a laptop. Inside this laptop I have a VirtualBox VM running Windows Server 2008. On this Virtual Server I have several sites and databases set up. I created this image to make the ...
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Hyper-V - how to make network cards appear to Guest OS' as “the same”

Few days ago I transfered physical machine to virtual, so Windows detected a bunch of new hardware. After that I installed integration services, which made it again detect some more new hardware. I ...
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16 views

Mac Host access -> Putty Connection to unix

I'm trying to access in my Mac Host Web Browser to a putty SSH connection to a Linux Server that I have made and that required a tunnel. I can ping from my Mac Host to the Windows Virtual Machine but ...
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1answer
23 views

Non-persistence in Windows 7

I have a spare Windows 7 license, and would like to set up a small VM for use as a Jenkins slave. As things can go wrong on build systems, and I'd like to avoid cruft building up in the system, I'd ...
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How to save changes in a BackTrack virtual machine?

Is there any way to save changes in a BackTrack virtual machine using VirtualBox? I've tried every way, but on every next boot the settings (changes like changing the background wallpaper or such) ...
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Oracle Virtual Box: No option for 64bit vm's [duplicate]

I've installed virtual box on my pc and I want to use 64 bit operating systems inside my vm. Unfortunatly I can only create 32 bit vms (the 64 option is missing completly). I know it should be there ...
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29 views

How to find out a VMs IP address by using VMWare Workstation? Not ipconfig on VM

I am running a VM on VMWare Workstation. Host is Win8.1 VM is debian. How do I find out the IP address of the VM without using the VM? Means: not entering password into debian and executing ifconfig. ...
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7 views

Virtualbox, Warpdrivepercentage: Is the same possible with VMWare?

Virtualbox has a function to slow down a VM. Called "WarpDrivePercentage". Question: Is the same pssible with VMWare Workstation?
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69 views

running 16-bit code on 64-bit OS, using virtualization

I have a program called Parsonstech Hebrew Tutor, designed for Windows 98. Evidently it was compiled as a 16-bit program, although it is not DOS, and has a GUI (16-bit Windows program). I have been ...
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35 views

How to convert vmware OS X Yosemite virtual machine to virtualbox?

First I've done vmx to ova : ./ovftool --acceptAllEulas /Users/madzohan/Documents/Virtual\ Machines.localized/OS\ X\ Fuse.vmwarevm/OS\ X\ Fuse.vmx /Users/madzohan/Documents/VirtualBox\ ...
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39 views

The disk image is invalid in vmware, however perfect when used in virtualbox

We have a vmware workstation with several windows virtuals and a single linux. There was a power cut and after system has booted up i noticed that windows are working good, however linux virtual ...
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Error When Resizing Windows 8.1 VM(Host is Macbook Air running OS X 10.10(Yosemite))

I need to resize my Windows 8.1 VM(on VirtualBox) hard drive on my Macbook Air(OS X 10.10) host computer. I did some research and I typed in the following command: VBoxManage modifyhd [UUID] --resize ...
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Failed to open VirtualBox with hosts Windows 8.1 and guest Ubuntu 14 (64bit)

I'm using Virtual Box v4.3.26.r98988 with an Ubuntu 14 guest. Up until yesterday, everything worked fine, but when I try and start it now all I get is an error message: The virtual machine Ubuntu14 ...
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37 views

VirtualBox is using more processors than allotted

I have a VirtualBox Windows VM configured to use 3 out of 4 processors (see screenshot), but when my computer froze (see description below) recently, I used top and discovered that the VirtualBox ...
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30 views

Are virtual machine resources available to the host?

I know that when I dedicate HD space to the VM that it can’t be accessed by the host OS, but what about RAM and CPU cores/threads? I always thought that if I dedicate 2 cores and 8 GB of RAM to a VM ...
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17 views

Stop guest VM powering off when switching machines?

I have two machines, both windows. I'm using VM Workstation 11 in one. If I have the VM running on one machine, and I switch to the other one for ~5 minutes, it appears as though the VM powers off. ...
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16 views

shell script to generate a log file for VM Backups

we are using PHD virtual backup to trigger backups for VMs and now i want to generate a report of all VMs in a file consisting of VM Name, Date and Backup Time and mail it to my ID at particular ...
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(Virtual Machine) KVM/QEMU Distributed Resources

How do large VM hosting establishments offer Terabytes of RAM? Do they just use really large SWAP files? (over a Network FS of some type)? Or is it that they really have hosts/machines/computers ...