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

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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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27 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 ...
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115 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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59 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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19 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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20 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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150 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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74 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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233 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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23 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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43 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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98 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 ...
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23 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 ...
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134 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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399 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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50 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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19 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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424 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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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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39 views

Ubuntu server VMs having network issues after VLANing in VMware

Running ESXi 5.1 and vCenter. I recently segmented my network into smaller VLANs and enabled tagging on the vSwitch as well as the physical switch ports. Moved variety of VMs, Server 2008, RHEL, ...
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25 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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142 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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53 views

Installing Rational Clearcase client on ESXi virtual machine

I have an ESXI server and I connect with it using vSphere 5.1.1. We have several virtual machines on this server and each virtual machine is pre-installed with the builds of our software. This is a ...
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35 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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26 views

Recover a Parallel Desktop 3 virtual machine in VirtualBox

I have an old HDD image file that was used with Parallels Desktop 3. Ideally I'd like to use it in VirtualBox (conversion). In all the tutorials I found (like this one or that one) the VM must be ...
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41 views

Xen E820 memory map for domU kernels

How does xen handle E820 memory map for domU kernels? In my specific problem I am trying to map Non-Volatile RAM to domU kernels. The dom0 memory map returns the following relevant parts. ...
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65 views

QEMU won't start

I'm trying to run QEMU on Windows 7 and install Windows 95 from a CD onto MyHardDisk.img, with networking and a shared folder between host and guest. When I run QEMU from the command line, the ...
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20 views

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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64 views

Citrix Xen Server VDI does not exist after VM reboots

I installed Citrix Xen Server on machine and Xen Center console on my windows box. I made some virtual machines on the server but for some reason when I reboot the VM, it would become unavailable. I ...
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53 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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259 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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70 views

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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21 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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46 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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98 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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17 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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66 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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41 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 ...
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157 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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134 views

how to create multiple virtual NIC which each of them can take IP from DHCP when only single physical NIC is available

There are several virtual machine tools that can create multiple NIC for their guest OS. thought almost all of them let the virtual NIC of the guest OS to connect the physical NIC, I haven't seen any ...
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55 views

Failed to load Ubuntu virtual machine from vmdk

I'm trying to move my cloud Ubuntu environment to virtual machine. These are the steps I've done so far: 1) Create disk image with dd command and moved it to my Windows OS. 2) Converted it to .vmdk ...
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35 views

P2V Converted VM via vCenter does not work on VB/VMM

I Virtualized my Win2k8 Server using vCenter Standalone, hoping that I could run the Virtualized Server on Ubuntu using either Virtual Box or VMM for Linux. VMM does not support vmdx so it does not ...
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128 views

How to activate clean install of Win 8 upgraded to Win 8.1

I'm creating a VM for website testing that runs Win 8.1. I started by building a new VM with a clean install of Win 8 Upgrade I purchased. Then I upgraded that to Win 8.1 Having converted to Mac a ...
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65 views

Emulate USB drive with a virtualization software?

I have no specific need. I am fine with Virtualbox, qemu, libvirt, VMware. Main point is that I need to emulate a bootable USB stick. I did try to pass a real USB pendrive in VMware, and it worked. ...
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460 views

VirtualBox and VMware is crashing in my computer

I am trying to install VirtualBox or VMware in my windows 8.1 PC but I encounter various problems. VirtualBox freezes my PC when installing it and I have to reboot. VMware froze my PC once or twice ...
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47 views

How to Share OS X Mavericks with Remote Users Simultaneously and Sandboxed

I have Mac Pro running OS X Mavericks (not server) which is intended to be a workhorse computer for several remote users. I want to give users on my network simultaneous access to the machine, but ...
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60 views

Use host DirectAccess connection in VM guest

At the moment I'm doing some development work in a VM guest. Normally I'm at the customer office and able to connect to the servers over there. As I'm also working remote, I need to connect to the ...
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335 views

Error when booting Centos with CPU > 1: timer not connected to IO-APIC

I am running 64-bit Centos (cat /etc/centos-release comes back with "release 6.5 (Final)"). It is guest OS running under VirtualBox (v.4.3.10) on Windows 7 Professional 64-bit host. When my setting ...
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145 views

vmware horizon view client 5.3 for windows: block printer redirection

I'm using vmware horizon view client 5.3 and I want to disable printer redirection. I don't want that the local user printers appear on the view desktop Thank you!
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45 views

Format of Dynamic VHD created using windows server 2012 and Hyper-V

I created Dynamic VHDs using windows-7, windows server 2012 and Hyper-V. The VHD created in windows 7's Block starts right after the BAT but the VHD created using windows server 2012 and Hyper-V has a ...