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

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Windows 8.1 Pro restarting in VirtualBox boot from ISO (virtualization enabled)

I am trying to install Windows 8.1 Pro X86 on a VM with VirtualBox. My OS is LinuxMint 17 Cinnamon. Everything is set up properly except for the fact that I can't asign more than 1 CPU to it in ...
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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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5answers
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Hyper-V won't enable in Windows 8 Pro: “Virtualization support is disabled in the firmware”

The checkbox to install Hyper-V in Windows 8 Pro is disabled. Hovering over it reveals the message, Hyper-V cannot be installed: Virtualization support is disabled in the firmware. There is a ...
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1answer
20 views

What happens when KVM virtual machines try to use the same core of a processor?

I have many virtual machines hosted with KVM on a single server. The problem(?) is there are now more machines then cores of the processor. From what I found I cannot use more RAM then I have but can ...
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2answers
3 views

Limit VirtualBox guests to one network interface

I have one Linux (Ubuntu) box and inside two Virtualbox guests (guest1 + guest2). The host has two interfaces. (eth0 + eth1) I need to define: Host uses only eth0 Guest1 uses eth1 Guest2 uses eth0 ...
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600 views

Virtual Box Pen Test Lab Set Up

So I’m trying to set up a pen test lab in virtual box on my windows 7 host. I have 3 guest OS's installed: BackTrack5 CentOS 5 Server/Snort (My Snortbox) Windows XP (Unpatched) I have 3 ...
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1answer
37 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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2answers
93 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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1answer
16 views

Installing Intel HAXM inside VirtualBox

I'm trying to install Intel Hardware Acceleration Execution Manager in a Windows 7 guest using VirtualBox. When I run intelhaxm.exe to install it, I get the following error: This isn't true, ...
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8answers
33k views

VmWare - Internet connection not available in Virtual machine

I'm using VMWare. My host machine has internet connection. I have selected NAT in the virtual machine settings. What else do I need to do to get internet connection in virtual machine.
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3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
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8 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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1answer
4k views

Implementing PCI-Passthrough with Linux-KVM on Debian

I am attempting to use PCI-Passthrough to attach an old video card (Radeon 4770) to a virtual machine. I am using Linux-KVM to run my virtual machines on a Debian Linux (Wheezy, 3.2.0-4-amd64) host. ...
2
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2answers
1k 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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2answers
25 views

Virtualization enabled from host computer but disabled from guest virtualbox?

I have enabled virtualization on the BIOS and verified it by issuing this command from the host computer: I have ubuntu desktop 14.04 64 bit as host, virtualbox 4.3.10 and ubuntu server 14.04 64 bit ...
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1answer
22 views

VM share host's VPN connection

I am trying to get a (guest) VM running on my (host) machine to talk to a (remote) VM running God knows where on some server that is accessible via corporate VPN. I am able to SSH from the host to the ...
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2answers
947 views

Why doesn't Windows 8 Task Manager report the actual CPU frequency when Virtualisation is turned on?

In this question, I asked why the actual CPU frequency wasn't being reported in the performance tab of windows task manager. It turns out I had Virtualization turned on in the BIOS. When I disabled ...
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1answer
30 views

Making a VDI image bootable for VirtualBox

I created a disk image of a Ubuntu (12.04) system by using dd if=/dev/sda6 of=xxx.img The VDI image was created by using vboxmanage clonehd xxx.img xxx.vdi --format VDI When I create a new VM ...
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2answers
43 views

Existing Win7 machine: Install Ubuntu and convert existing Win7 to VirtualBox VM

I have a dev laptop with Windows 7 installed. I want to switch this to Ubuntu and convert the existing Win7 physical installation to use in VirtualBox running under the newly installed Ubuntu. I ...
0
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1answer
25 views

How to shrink an VMWare multi volume disk?

I'm familliar about srinking the total space of a virtual disk of Oracle VirtualBox disks using their vboxmanage.exe comandline tool for shrinking, but now I have an VMWare multi volume disk (vmdk), ...
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1answer
24 views

Advice on buying a server for virtualization [closed]

So I am a student. I'm looking to buy a server for virtualization. I would like to test different product and make testing environments (like in production) to expand my knowedgle with server ...
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27 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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2answers
3k views

VMware workstation windows host shared folders issue

My laptop is a Linux mint powered host and a windows 8 guest via VMware Workstation. Yesterday, I get the bad and stupid idea to upgrade my windows 8 to windows 8.1 final release, using the Installer ...
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33 views

Best approach for multiple virtual Mac OS environments

I'd like to test a piece of software against as many different versions of Mac OS as possible. If I was to do this with Windows I could use something like VMware to install multiple versions on the ...
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32 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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2answers
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Mac OS X virtualization on a PC [duplicate]

Is it possible (and legal, and to be precise: EULA does not necessarily mean law) to buy Mac OS X (without Apple computer) for the purpose of virtualization on a PC?
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3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
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1answer
29 views

What are the differences between OVF-Version 0.9, 1.0 and 2.0?

I have Virtualbox 4.3 and want to export different VMs because I'm recover my computer. When I want to export a VM I can choose between OVF-Format-Version 0.9; 1.0; 2.0 But what are the differences ...
31
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8answers
84k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it ...
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16 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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14 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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1answer
960 views

Why is Hyper-V classified as native hypervisor?

Wikipedia says: Hyper-V, codenamed Viridian[5] and formerly known as Windows Server Virtualization, is a native hypervisor...* Wikipedia itself says that a native hypervisor is type-1 ...
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1answer
56 views

It is possible to “virtualize” a OS who is already installed in the HDD?

I want to make a dual-boot between openSUSE 13.2 and Windows 8, but the tricky thing is here: I want to boot one of the OSes while I'm using the other (doesn't matter the order). Is that possible? ...
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1answer
126 views

Warning: Connection timeout. Trying to ssh into a vagrant box

I used https://puphpet.com/ to develop a machine, its VagrantFile is http://codepad.org/lSV7EDrC Now after doing vagrant up the machine builds fine, but on vagrant ssh I get this: default: SSH ...
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1answer
553 views

'skb rides the rocket' in a Xen guest

I've just set up Ubuntu 13.10 server as a VM on my Ubuntu/Xen server, and I'm getting these weird lines in my guest's syslog. Nov 12 10:26:32 human kernel: [130782.315333] xennet: skb rides the ...
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2answers
2k views

VT-X option not available in BIOS even if Intel Core supports VT-X

Im trying to speed up an android emulator using VT-X but there is no VT-X options in my BIOS. Even worse, my BIOS is almost empty! There is only the change password, which way to boot, information and ...
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21 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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75 views

VT-x/AMD-V hardware acceleration is not available - Windows 7 VirtualBox

I'm trying to run a Mavericks virtual machine on my Windows 7 PC using VirtualBox. However, every time I try to run it, it gives me the error message: VT-x/AMD-V hardware acceleration is not ...
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2answers
63 views

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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509 views

Linux Ethernet Bridge (bridge-utils) does not reply to ARP requests

I am having problems with a newly created Linux bridge. The architecture is: PC1 (eth0) <---> (eth2) BridgePC (eth0) <---> (eth0) PC2 BridgePC is a virtual machine (ESXi ...
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42 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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0answers
54 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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1answer
352 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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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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2answers
962 views

Windows 7 Dual Boot + Virtualization under Ubuntu 10.04?

Question(s): I currently have a dual boot: Win 7 x64 Pro & Ubuntu 10.04.1 x64. Is there a way to boot Win 7 as a virtual machine under Ubuntu without reinstalling anything, in addition to ...
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4answers
517 views

Does a software like VMware run in user space or kernel space?

Vmware is a user installed software. So it should run in user space given by the underlying OS. Yet its runs OS-es which are fully operational and need to run in kernel mode. So where does it run?
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How to shrink Windows 7 XP Mode VHD files?

I'm trying to shrink a Windows 7 XP Mode VHD file with VhdResizer with little success. When I select my VHD file, it says "VhdExpand only supports fixed and dynamic VHD files". My XP Mode VHDs are ...
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324 views

Merging/Cleaning VMware disk splits / parts

Everytime I boot up a virtual machine using VMwarePlayer/VMwareWorkstation, it creates tons of multiple splits/parts of the same disk (I guess?) in the specific folder, none of them bigger than 320kb, ...
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1answer
58 views

VirtualBox VDI's max size exceeds the host's hard drive size

I had a major oops moment that led to my VirtualBox guest VM's hard drive being larger than the host's hard drive. I rushed through reading the commands for resizing a virtual hard drive. As such, I ...
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Can't use 1920x1080 Resolution on Xenserver windows 7 guest

I am using Xenserver 6.2 on my dedicated server and created a windows 7 Ultimate x64 sp1 guest , and Now I am managing it remotely using Teamviewer . I have tried Powerstrip , But my Advanced Timing ...