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

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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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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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1answer
19 views

Virtualize windows app in browser? Like wine [on hold]

I was wondering, is there a way to virtualize (old) Windows apps so they run right in your browser? Similar to wine, but in a browser. I found some cloud-virtualization apps, but they seem to just ...
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12 views

How to host Windows Server 2008 R2 64bit on a non-VT 32bit?

My laptop is 32bit running Windows vista with Intel Core 2 due processor. I tried to host Windows Server 2008 R2 64bit using VMware Workstation but it doesn't load and Displays this message: " This ...
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2answers
24 views

Oracle virtualbox not allowing than one CPU - Hardware virtualization not available

I have the following hardware configuration: Processor: AMD FX-8120 (Zambezi) Board: ASUS M5A88-M OS : Windows 8.1 RAM : 4GB DDR3 I installed Genymotion which created a virtual machine for ...
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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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33 views

Linux (Mint 17.1) Video card's (R9 270x) sound is claimed by pci stub but the GPU isn't

So I'm trying to setup a gaming VM with on Linux Mint via KVM and VFIO. I've added the ID's of both the sound and the actual GPU but only the sound is getting claimed by stub. When I run dmesg | grep ...
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2answers
80 views

QEMU guest system starts off /dev/sdc but won’t start from disk image file

I have a copy of Windows XP installed on a hard drive which I would like to run with QEMU. When I start it directly from the HDD it runs fine: qemu -m 256 -hda /dev/sdc Starting ...
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10 views

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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16 views

Is “Host GPU on” on android emulator same as GPU passthrough?

I see that there's "Host GPU on" for standard Android emulator(which is incidentally qemu-based) from Google. Is it same as the hardware acceleration obtained by successful GPU-passthrough in ...
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43 views

Does a computer emulator exist for specific system hardware configurations?

Not your typical virtual machine! I’m looking for a way to emulate a computer as close as possible. Virtualization software like QEMU, VirtualBox and VMware or even EXSi give me the ability to ...
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25 views

VT-x Enabling (turn ON) on Intel i-7 Dual Core Windows 7

How do you enable CPU Virtualization on a Windows 7 Intel i7 Multi-Core machine? I checked and it reported that machine VT-x is supported. I am getting this error message when I try to start the VM: ...
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1answer
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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2answers
20 views

(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 ...
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28 views

Hyper-v error: Virtual Machine could not be started because the hypervisor is not running

Sometimes ago, I used some virtual machines like VMWare and VirtualBox that worked well on my machine. Recently I wanted to use Hyper-V but I couldn't. I googled the issue but I didn't receive any ...
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19 views

XEN boot error on Ubuntu Server 12.04

I am trying to boot to xen-hypervisor-4.1-amd64 package following the guide from official Ubuntu website, But whenever i reboot and try to boot into XEN (holding shift on grub and choosing xen ) i get ...
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32 views

virtualbox (osx host and linux guest), only shared folders with read/write work, those with read only permissions do not

I'm using virtualbox (with osx as the host and linux, debian 7, as the guest). Shared folders with read/write permissions set to automont work fine. But if I set the same folder as shared and ...
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1answer
37 views

how to enable virtualization in BIOS settings

I am not able to find virtualization option in my BIOS settings Processor Info : Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2926 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version Info: Intel ...
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1answer
23 views

Can we say that QEMU is a Virtual Machine?

What I perceive as a Virtual Machine is that it simply allows to load another Operating System side-by-side on its own sandboxed environment. It is limited to the same hardware architecture as the ...
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3answers
81 views

Is it possible to run Linux, Windows and Mac OS X on one machine in parallel? [closed]

I was wondering if it is possible to run all three big operating systems (Linux, Windows, Mac OS X) using a (preferable Barebone) Hypervisor in parallel on one system? Please state the configuration ...
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8 views

KVM accessibility from host machine

We have a KVM Host machine running multiple VMs. I am now tasked to create an instance with very sensitive data. Setting firewall and other OS specific settings is not the problem. Question is: can, ...
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1answer
24 views

VMWare Virtual Machines: can be accessed from Internet?

I'm new with VMWare Player virtual machines. I created two: one with Windows 7 and other one with Ubuntu Desktop. The host machine has connection to Internet, a firewall, etc. I can access it from ...
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1answer
40 views

Is it possible to have a hypervisor with Nvidia SLI 980 pass-through gaming setup?

I am looking into reformatting my computer. I would really love to get rid of Windows finally and only use Linux for gaming/work. Sadly I am not sure this is close enough to be a reality yet. I am ...
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58 views

Should I enable Intel virtualization technology? [closed]

I am using Android studio for Android programming it is demanding Intel virtualization technology to get enable to use Android emulator should I enable it? Is it safe to enable it? I have Intel i3 ...
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34 views

Hyper-V listed on Win 2012 but not Win 8.1 Pro (same machine)

I bought an Acer laptop, and installed Windows Server 2012 to do some web site testing for a client. On that installation, I used Server Manager to install Hyper-V, and two further installations on ...
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23 views

Unable to get the Full screen in KVM

I installed CentOS 6.4 in KVM (Kernel-based Virtual Machine), My base machine is Scientific Linux 6.4. I am unable to get the full screen in KVM, In virt-manager if I select full screen also both ...
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2answers
47 views

Make local Virtual Box server available to other computers on the wider host OS LAN

I’m running VirtualBox on Windows 7, the guest virtual machine OS is Ubuntu Server and it’s set up in such a way that I can access it from the host machine on 192.168.56.101. The host machine IP in ...
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1answer
113 views

No option to enable the Intel Virtualization Technology in BIOS?

Laptop: Samsung NP350V5C-S03IN 64-bit capable: Yes BIOS: American Megatrends Inc. Version-P10AAL Date-04-07-2013 Processor:Intel Core i5-3210M CPU @ 2.50GHz, 2 Core(s), OS: Windows 7 Home Premium ...
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1answer
40 views

How to change the disk interface type for my Windows 8.1 guest on KVM

I recently setup a Windows 8.1 VM with KVM and virt-manager. I initially set the disk interface to be IDE, but I'd like to change it to virtio. However, if I just change the interface in the ...
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64 views

Host system hangs when starting any virtual machine in Hyper-V

This is a problem that I noticed several times now and I can't find any answer to this, so I hope that anyone of you can help me out. Today I wanted to start a virtual machine in Hyper-V running on a ...
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14 views

Why can't my virtual machine reach the host?

After creating the appropriate rule in Windows firewall, I can ping my host machine from the VM: demo@ubuntu:~/aenea/server/linux_x11$ ping 192.168.85.1 PING 192.168.85.1 (192.168.85.1) 56(84) bytes ...
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1answer
67 views

Solaris virtualization-zones [closed]

In the context of virtualization in Solaris, could someone provide a short description of the following: Zones Kernel zones Branded zones Non global zones
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14 views

Allocating server CPU cores to virtual box guests for heavy compute, light i/o load

Please share your recommendations for allocating CPU cores to guests on big iron. I am asking basically this question 6 years later: Is there an optimal setting for the number of CPU cores exposed ...
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35 views

Where are Xen guest config files stored?

I'm new to Xen stuff. I have a XenServer 6.5 running, with XenCenter and a Debian installed as a PV VM. I'm trying to setup the extra security now so I don't have to learn about it after I've been ...
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1answer
39 views

Running device firmware on a computer

I was wondering how I would go about running device firmware in a virtual machine on Windows 7 or some other way on windows 7. I am specifically thinking of running the Broadband-Hamnet firmware for ...
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0answers
29 views

Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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58 views

Windows 8.1 keeps wanting to repair itself after installing Visual Studio 2013

I have a hp 650 with virtualization enabled. I installed windows 8.1 pro. I also installed Visual Studio 2013 Pro. However, after installing VS 2013 and at some point rebooting, Windows refuses to ...
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42 views

Some audio devices (PCM_in) could not be opened

Some audio devices (PCM_in) could not be opened. Guest applications generating audio output or depending on audio input may hang. Make sure your host audio device is working properly. Check the ...
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18 views

Physical processor to virtual processor scaling [duplicate]

If I have a Windows Server 2012R2 with Hyper-V role installed, and the configuration is: 4 processors, Intel Xeon E5-4620v2 and each one is 8 cores/16 threads, can I utilize enough power for ...
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1answer
70 views

How to enable virtualization on samsung 300E4A/300E5A/300E7A/3430EA/3530EA

Im running android studio. However when I try to debug I get the following: emulator: ERROR: x86 emulation currently requires hardware acceleration! Please ensure Intel HAXM is properly installed and ...
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25 views

Error when running boot2docker from inside Virtual Box

I get Non existent networking host interface name: VirtualBox Host-Only Ethernet Adapter #2 (VERR_INTERNAL_ERROR) error when I try to run boot2docker from virtual box. Error Details: Result Code: ...
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16 views

virtual network setup for NAT?

Trying to test NAT traversal for FTP. For that I need to setup 4 VMs with 2 interfaces each. I was thinking of creating a virtual network & testing on that. what are the virtual network simulation ...
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23 views

Why does my VMware Player Windows guest create all files with executable permissions on Ubuntu host?

I am running Win8.1 in VMware Player 7.0 with a shared folder with my host Ubuntu 14.04 system. Whenever I create or save a file in Windows, it gets the permissions -rwxr-xr-x in the Linux file ...
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51 views

How can I emulate Windows Server 2008 R2 with QEMU? / Cannot virtualize Win2K8 R2 using QEMU on Windows Host

I have used precompiled QEMU 2.2.0 (64-bit version) to emulate a PC running Windows Server 2008 R2. The Host OS is Windows 8.1 Enterprise 64-bit, and my CPU doesn't support Intel VT-x so I can't use ...
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93 views

Hyper-V won't start - Not enough storage available to complete this application

on windows 8.1 Pro 64bit when in Hyper-V Manager click Start Service, after a while (cca 60s) new event apears in event log - System saying: The Hyper-V Virtual Machine Management service ...
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1answer
57 views

Which system is this?

I'm working on a project that build its image .qcow2 based in a temporary file system generated in /tmp/ folder. It looks like this: $ls -la /tmp/ -rw------- 1 root root 7G Jan 30 09:55 ...
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how resources control transfers between host operating system and guest operating system?

can someone explain how resources(CPU, Memory, IO) are managed and controlled by host operating system and guest operating system ?
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How to do sr-iov port mirroring

Is it possible to do port mirroring while using sriov in the same host and in different host I am using libvirt and openvswitch What must i do? Perhaps bridge two controller virtual function If yes, ...
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1answer
23 views

Sr-iov must be vlan?

I am trying to use sr-iov to pass packets to vm Is this obliged to work with vlan when working with sr-iov? If not, according to what will the different vf receive the packets?
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512 views

Intel Virtualization Technology and VT-X won't work in Windows 8.1

I am trying to run an x86 Android Virtual Device using Intel Virtualization Technology and VT-X. These features are required for the emulator to run correctly. However, I can't seem to get it to work. ...