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

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Best practice for configuring hard drives in a virtualized environment

I want to play around with some distributed processing software. I intend to use KVM on an Ubuntu box to create 4 virtual machines and run CentOS on them. Ubuntu is installed on a 250 GB SATA drive. ...
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264 views

DNS issues when using VPN in Linux Mint

I'm using Windows8 as my host OS, and are running a Linux Mint VM on virtualbox, with its network being virtualized as NAT. I'm using Ciscos AnyConnect VPN to get access to a certain network. The ...
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1answer
2k views

VirtualBox command line error

I can run VirtualBox just fine, but when I run anything from the command line I get: VBoxManage.exe: error: Failed to create the VirtualBox object! VBoxManage.exe: error: Code ...
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1answer
824 views

How can I tell if my Intel Core CPU supports SLAT? [closed]

I am planning to create Windows Phone 8 applications, which are developed alongside Hyper-V. However, my current Core 2 Quad doesn't support a required feature called SLAT. How can I be sure the ...
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2answers
160 views

How can I offer an XP-compatible migration to Linux Mint?

I looked at some friends' computer and winced; they're running XP, and the system is running slowly, and their SuperAntiSpyware pulled multiple malware threats (big surprise). But they are using ...
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1answer
789 views

Is it safe to run FreeNAS inside VirtualBox?

I was planning on running FreeNAS on Virtualbox, the OS on a separate vmdk disk, then creating and using another vmdk disk(s) for the actual storage. This is for my home network (though I do have ...
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151 views

Ubuntu VirtualBox dual boot native win 7 partition

I have a laptop with Ubuntu 12.04 and Win 7 dual boot. Using VBoxManage Internal commands I created a vmdk file from my win7 partition and then I used that vmdk file to create a virtual machine. My ...
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2answers
2k views

How to get VirtualBox VMs to use host's DNS?

I use VirtualBox for my VMs. My office network setup is wireless, i.e. I connect to my company's WiFi network, which has a local DNS to resolve local names (such as something.mycompany.com going to ...
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3answers
80 views

Virtualization for desktop security?

I am frustrated with windows and the whole pay $60 per year for security products. Seriously, its too much now. I want to use virtualization for desktop security because I think (not sure) that it ...
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1answer
1k views

VMware - Workstation 9

I'm trying to install windows server 2012 on my "VMware 9.0 32 bit app" and it gives me an error that It can not install any 64 bit software I am using a Dell 3521 laptop and I have Windows 8.1 64 ...
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3answers
126 views

what would better improve a notebook's performance, a 4GB DDR3 or a 100GB SSD [closed]

I am using thinkpad E430 with win8 as my primary workstation. The notebooks bears lots of computing and programming tasks and I need to alternate between vmware guest os(linux) and my host win8 quite ...
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29 views

If two page files are on separate disks, how do I set Windows to fill up one and then the other

I am running windows 7 in a virtual machine. I have a C drive that is a normal SATA drive. I have a virtio drive that has a Reizer file system underneath that is roughly 3 times as fast as the C ...
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42 views

Virtual Box Can't Display 2 Screens But I Can Display 3

I'm having some trouble with virtual-box, I want to display 2 Screens one for my main monitor and one for my secondary. I achieved this now at a certain point (I cant really pinpoint when) Only one ...
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1answer
441 views

Convert a USB drive into a Virtual Machine HDD

I am creating a bootable USB flash drive. Before using it I would like to test it with VMware Player (or VirtualBox). I could make a raw image of the UFD and convert it with "qemu" qemu-img convert ...
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1answer
104 views

How do virtual servers interact with the host machine's networks?

I've had this question long ago and still I've been unable to find a correct answer to it. I know it's possible to run several virtual machines. Let's say that I'm running Windows Server 2008 R2 with ...
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2answers
97 views

SOHO Virtualized server [closed]

I want to create a server at home that runs either VirtualBox, KVM, or Xen, that is capable of doing the following: One vm will host a (linux) webserver (right now, just to host dokuwiki). Another ...
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1answer
3k views

What's the recommended way to move a VirtualBox VM to another computer?

I use VirtualBox 4.1.x on my Ubuntu machine and I've set up several virtual machines. Since there are several ways one can move a VM in VirtualBox to another computer, I was wondering which one is the ...
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1answer
470 views

Vagrant box fails to boot properly

I've been trying to get a vagrant box up and running off of my Windows 8 computer using VirtualBox. vagrant up fails when it gets to connecting via ssh however. When I attempt to boot into GUI mode, I ...
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1answer
41 views

How to start a virtual machine on a Mac where I am not a root/admin?

I want to have my own little unpolluted environment where I can test a project I am working on. The physical computer is a university Mac, and I don't want to interfere with its environment, so I ...
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1answer
188 views

Networking Issue with libvirt (kvm)

I'm running a desktop class computer tower with Ubuntu Server 13.04 (64-bit) installed. The server is configured with libvirt, and I use virt-manager to control and configure the VMs as well as ...
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2answers
153 views

How to run an application from host on guest OS in virtualbox?

I am wondering how to run an application from the host OS on a guest OS? I know this is possible but am unsure how to do it. The Host is windows 7 and the guest is Windows XP. Is it possible without ...
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1answer
59 views

Virtualization for reasonable video performance

I have recently built a new machine which I intend to use for gaming more than anything. To help keep the machine as clean as possible, I want to have a virtual machine running off a USB3 hard drive ...
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24 views

bridging virtual machines on xen

I have a dedicated server, running xen and a few virtual machines set up as separate entities with their own IP addresses. I have about 16Gb RAM left, and I would like to create a few more virtual ...
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1answer
172 views

Installing a non-default mouse driver in VMWare Workstation

VMWare Tools installs a generic "VMWare Pointing Device", and seems to "force" the guest to use that driver for the mouse. When I install the specialized drivers for the mouse in the guest, it can't ...
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95 views

memcached issue on multi-core windows server with virtualization

i am having an issue running memcached (v1.4.4) on multiple cores. Here's my environment: Windows Server 2008 R2 SP1 running VMware, Intel Processor, only one core (out of eight) is enabled for the ...
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66 views

Efficient way to have several operating systems on one machine

I want to have several operating systems on one computer, but I want to do it in the most effective way. So far, I have been using VirtualBox - host os + several virtual machines. But I want every os ...
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1answer
325 views

Windows Server 2012 - remote gaming - RDP vGPU - Q about the limitations

I want to play games through lan, on my laptop. Ran by the other powerhouse. This, in theory, works. RemoteFX especially if virtualized by Server 2012, can do this. (I have a DX11 card, a required CPU ...
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1answer
63 views

Automatic VM Instance Install

I want to simplify setting up training computers for our trainers inhouse. The situation is we have an enterprise based software program (which runs with .net + SQL Server + IIS) and when our trainers ...
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111 views

Virtualbox, how to force a specific CPU to the guest

I have a XP guest in VirtualBox, windows 8 host. The guest shows the processor transparently same as the host (i5 2500k). However most of the installers don't recognize this processors and fail to ...
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1answer
962 views

Dual-boot AND Virtualize Both Windows 8 and Ubuntu

Dual-booting Windows and Linux is well-documented, as is running one of the bootable OSes as a VM inside the other (ex, dual-boot Windows & Ubuntu; in Windows, host Ubuntu in a VM using VMWare ...
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95 views

Isolate a Virtualbox VM from local network [closed]

I have the need to isolate a virtual machine created with Virtualbox from the local network but I need to provide internet access to that machine. It is the first time that I face this kind of ...
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1answer
851 views

qemu kvm - can't start VMs after installing xen hypervisor

I had been using QEMU KVM for long time and have few VMs. Recently I installed XEN Hypervisor following this instructions but decided to apt-get remove xen-hypervisor-4.2-amd64 Problem is that now, ...
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157 views

Error starting virtual machine inside hyper-v running inside virtualbox running on windows 7 64bit

I have Windows 7 64 machine and have installed VirtualBox on it. I have enabled all the virtualization options in BIOS. I have created Hyper-V virtual machine and installed Stand-Alone version ...
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1answer
68 views

In the context of virtual machines, what's the difference between a reference machine and base image?

I'm using VMware vSphere client 5. I don't know if this is a normal or not but when somebody needs a new system I deploy a new one from a template. Is the template what is called a base image? Then ...
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1answer
2k views

Enabling VT-d on a Haswell 4770k

Well, don't I feel like a sucker. I built a new Haswell box since my old computer was positively ancient. I built it with the explicit intention of using both virtualization and maybe even trying ...
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1answer
2k views

How can I remove BIOS unknown password on HP 620 laptop

While installing a new virtual machine (Windows Server 2008 R2 x64) I got a message saying : This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not ...
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1answer
117 views

Can I “Speed Up” a VM to emulate the passage of time?

I'd like to put a VM into "fast forward" so that I can see several days (or weeks, or months) worth of logs and temp files build up and analyse them. Is that possible with virtualbox & ubuntu ...
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1answer
664 views

How can I list which virtual ethernet pairs are running in the current linux host?

I have a question related to the veth pair that is used in Linux system. I want to know which veth pairs are running in the current host, which I mean querying the pairs by using one Linux command or ...
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1answer
47 views

Replace Hyper-V Virtual Disk

Some updates crashed my hyper-v virtual machine. The good news is I created a copy of the vhd file yesterday, will have to reinstall programs, but at least I won't have to start all over. I deleted ...
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1answer
54 views

Is xen a good choice for what I'm going to make? [closed]

I want to build two machines inside a virtualization system like Xen, and I'm new with virtualization. The first machine is a Debian 6 server, which runs forwadding and acts as a firewall and proxy. ...
4
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1answer
81 views

Hyper-V Network Adapter

I have a setup a Hyper-V VM on my server. I have the NIC setup in Hyper-V manager. I also have the my VM settings pointing to my NIC. I can't access the Internet. Here is a picture of my Hyper-V ...
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64 views

Add usb device to inactive domain

I have a USB device which I want to pass on to a VM using KVM and libvirt. If the guest is running, I just create a file containing the XML-definition of the device: <hostdev mode='subsystem' ...
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378 views

Nested kvm virtualization not working

I am trying to run a Ubuntu VM on Fedora 18 host. Now, my processor supports VT, so I have kvm installed and it's working. I launched the machine (Ubuntu 12.04 LTS) and installed kvm inside it. But ...
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2answers
45 views

Need a new VM program, need to improve performance and other desirable features. [closed]

I currently am using Microsoft Virtual PC 2007 to run my virtual machines. I have the .vhd and .vmc files for each VM. I really want/need to get some better performance out of the VM's, I have done ...
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1answer
250 views

How can I grab license-key from my pre-installed OS and use it to activate a virtual machine?

So I'm having problems virtualizing my preinstalled OS (yes it came already installed in this laptop), and I'm thinking of giving up: just starting the virtual machine from scratch, installing ...
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1answer
69 views

Windows Explorer is sluggish on host computer while running VMware Workstation

I've noticed that while running VMware Fusion (9.0.2) Windows Explorer on the host PC seems sluggish at times. When I attempt to navigate through the directory structure of the SSD that contains the ...
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1answer
291 views

Can someone explain what is the difference VMware vCenter and VMware vSphere to me?

We are currently looking to implement a Geo Spatial Infrastructure (see below) that will include a number of servers and we are planning to run each server on a different virtual machine. At the very ...
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1answer
62 views

System requirements for running windows 8 (basic office use) in virtualbox (ubuntu as host os)

I want to run windows 8 as a guest os with virtualbox on some thinkpad (haven't bought one yet) running Ubuntu 12.04. Apart from virtualizing windows 8 (mostly just for use with the office suite app) ...
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53 views

VM doesn't pick up ip from dhcp

I'm running virtualbox in bridged mode on a windows host. ifconfig returns this: Here's the etc../interfaces file: How can I force it to grab an IP address from the dhcp?
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96 views

vmbuilder: enable ssh on virtual machine with boot script

I try to build a virtual machine with vmbuilder. I use this arguments compilation: sudo vmbuilder kvm ubuntu --suite=precise --flavour=virtual --arch=amd64 ...