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

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Emergency console with xen

On gandi or other providers, you can activate an emergency console to your VM. It binds a ssh channel to a temporary IP and port. I have my own server running on xen. I would like to implement an ...
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4 views

Save qemu VM state like in Virtualbox

I am used to the Virtualbox "save machine state" exit strategy, which is a handy way to let the host reboot without shutting down the vm. I recently switched to qemu because of its VT-x in VT-x ...
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6 views

OpenVZ fails on container create (Unable to get appcache tarball name)

I have OpenVZ installed on CentOS 7.1. after i execute vzctl create 101 --ostemplate debian-7.0-x86-minimal i get command /usr/sbin/vzpkg exited with error 8 Unable to get appcache tarball name ...
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1answer
20 views

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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0answers
14 views

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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0answers
16 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
13 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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1answer
16 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
18 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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1answer
15 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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3answers
159 views

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
26 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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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
17 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
35 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
17 views

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
26 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
33 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
121 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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0answers
47 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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0answers
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
45 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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2answers
42 views

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
33 views

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 ...
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0answers
83 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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1answer
54 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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36 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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1answer
116 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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24 views

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
817 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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111 views

Using vagrant and docker on Windows

I'm trying to dockerize my rails application but I have one tricky constraint: one of the developers is using Windows. Vagrantfile: # -*- mode: ruby -*- # vi: set ft=ruby : ...
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1answer
34 views

extracting info from virtualbox .sav file?

I have a .sav file of VirtualBox which I want to restore. But the problem is I only have this file (without any other info of the disk file and RAM size and so on). I tried to duplicate one of my ...
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0answers
24 views

Using Differencing VHD on Win 7

I was given two VHDs by a service provider, differencing disk D and parent disk P. These VHDs are meant for me to get training and proceed with development in future. The instructions were to use ...
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1answer
60 views

Can KVM run on top of host OS?

I was interested in experimenting with Xen until I discovered that it has to be installed bare metal. Hence, if I have a Linux machine and want to use it to run a Xen hypervisor, I have to install the ...
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0answers
384 views

Hyper-V alternative in Windows 8.1 Single language

Is there any way to enable or install Hyper-V in licensed Windows 8.1 single language. I have heard it requires Pro Edition of Windows. I want to run windows phone 8.1 emulator in Visual Studio. It ...
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0answers
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Hyper-V Server not visible from Hyper-V Manager

Through our technet subscription, I have downloaded and installed hyper-V Server 2012 R2. I then have a Windows 8 server running Hyper-V Manager. Both machines indicate that they belong to the ...
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43 views

Obtain list of all VMs on Xen server with tags

I am trying to compile a list of VMs across our 12 Xen Servers. We use the 'tag' functionality extensively and I would like for the tags to be exported along with the VM names. E.g. Xen Server ...
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0answers
24 views

How do I install the virtualization tools on a Virtual Box Ubuntu machine?

I'm following this guide to install OpenNebula on my Ubuntu virtual machine: http://docs.opennebula.org/4.4/design_and_installation/quick_starts/qs_ubuntu_kvm.html But I'm stuck at the first command: ...
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0answers
26 views

How can I convert a domain controller account to local account for forensic analysis?

I am doing a forensic analysis of a Windows machine that has multiple local accounts but have a domain controller or active directory account. I can analyze the files of the user because the files are ...
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1answer
73 views

Asus motherboard P5P43TD BIOS doesn't show Intel Virtualization Technology option

My motherboard is an Asus P5P43TD. It has default values loaded, and in the advanced menu in the CPU Configuration section, the Intel Virtualization (VT-x) option is not listed. I have upgraded and ...
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25 views

VirtualBox “sharing” entire host partition (non-OS) with VM

I've created a VM (Windows 10 CTP) and a new virtual disc for the OS/etc. installation. I've then created a raw VMDK which points to a partition on one of my host machine's data drives, call it Data0, ...
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2answers
26 views

Is it possible to create a VM that survives outage of host? [closed]

This is just an academical question. Is there any way from technical point of view to setup virtualization subsystem that would be able to survive (VM's would be still accessible and fully ...
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1answer
10 views

How to turn on promiscous mode in vmware?

I was told that in order to turn on promiscous mode in vmware, I need to do this: chmod a+rw /dev/vmnet* However, I am confused that there is an option in the vmfusion preference: Do I need to ...
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3answers
71 views

Hyper-V: Create virtual network, with LAN access, but without Internet access

I'm pretty paranoid when it comes to Windows 10's "data collecting". But I need to set up a Windows 10 VM on my build machine for development purposes. I basically want to be able to send files to ...
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1answer
90 views

Why I can boot various kerel versions but not XEN kernel in grub2

I have successfully compiled XEN usigng following steps: wget http://bits.xensource.com/oss-xen/release/4.4.1/xen-4.4.1.tar.gz tar xzvf xen-4.4.1.tar.gz cd ./xen-4.4.1 export ...
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1answer
30 views

Two Vagrant VMs caused network issues

It seems that when I make a new virtual machine, my private networks are not reachable from the host. I assigned different IP addresses to both, and included them in my /etc/hosts file, however I'm ...
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0answers
11 views

Cannot restore Snapshot

Everytime I try to restore my VM from a snapshot I got My VM Freezing and I must shut it Down. When is shut down and I try to start the VM I got error: Code 'Exit: E_FAIL (0x80004005) Componente: ...
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0answers
28 views

XEN Guest cannot open display error

My setup is : [XEN - dom0] installed directly on hardware [ubuntu 12.04.5 server x64bit] , using it on CLI Mode - no GUI installed [domU - guest] HVM guest created via configuration file, I ...
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16 views

Can a paused spoon container persist beyond a computer restart? [closed]

I am trying to capture and persist a process state for later restart, and have looked into app virtualization as possible solution. The current experiment is with Spoon containers. As far as I see, I ...