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

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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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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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How to activate VT-x on a Acer Aspire E1-571G?

How to activate the hardware virtualization an this laptop if on the BIOS i don't have any options...It's very simplified ( the only tabs on the BIOs are those: I searched and the processor ...
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How to enable Virtualization in Acer Aspire 8930g

I have been trying to enable Virtualization of my cpu to run a 64 bit guest OS. Anybody having an idea ? EDIT : My cpu supports virtualization. http://ark.intel.com/Product.aspx?id=35562 the problem ...
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24k views

Enable hardware virtualization on Asus P8P67 motherboard?

I have the aforementioend motherboard and it appears that hardware virtualization is disabled on it (as according to vmware). I've looked at the bios options as well as the manual and haven't found ...
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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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21 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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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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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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19 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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36 views

USB 2.0 not working when VT-x is enabled

The problem I have is that when I enable Intel Virtualization Technology (or VT-x) in my BIOS, it makes my USB 2.0 ports not work. The USB 3 ports, on the other hand, are working. This is happening ...
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323 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. ...
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1answer
5k 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. ...
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3answers
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Do I need an Anti-Virus in a virtual environment?

I have installed Fedora on VirtualBox specially for malware testing. Do I still need an anti-virus protection in Fedora?
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58 views

Relationship between OpenStack and Xen

Xen is an open source virtualization platform that allows you to install a bare metal hypervisor on a machine, which turns it into a host for other guest VMs. I can't really understand what ...
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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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Xen Virtualization Types by Example

Please note: I first tried searching for an SE site where virtualization-centric questions were directly on topic. I found Virtualization, Cloud and Grid Computing, but to my surprise and dismay, see ...
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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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31 views

Configuring ESXi server to produce same performance results

I have an ESXi 5.5.0 server with a single VM. When I run some benchmark on the VM there are 6% differences between times of different runs on the VM (each run around 250 seconds). When I've run such ...
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Virtualisation possibilities with MSI ge40 (intel 4702MQ)

I have this laptop. I want to run Linux Mint, and run Windows 8.1 in a VM. The thing is, that i would like to play some games on Windows. That will not work properly in Wine, i've tested it. So i've ...
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How to “sandbox boot” an operating system in a Hypervisor without a full blown host OS?

I was wondering how I could setup a Hypervisor environment that boots an operating system in in a sandboxed¹ mode, without relying on a (full blown) host (Dom0) operating system. The target ...
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Are there any downsides to enabling Hardware Virtualization in the BIOS?

I was wondering if there are any downsides (even theoretical) to enabling Hardware Virtualization in the BIOS. I noticed that it is disabled by default, and perhaps it is that way for a reason ...
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Getting a 4TB USB drive (4k native sector size) to work with Xen and Windows 2008 guest

I am trying to get a new 4TB Seagate USB drive to work with Xen 6.2 and a Windows 2008 R2 virtual guest. The Xen host sees the drive fine, fdisk -l lists it with the correct capacity, etc. I can ...
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Emulate 512-byte sectors with Xen

Anyone know how to make Xen 6.2 emulate 512-byte sectors when exposing a drive to a virtual guest? This would allow exposing native 4kB sector drives to older virtual guests like Windows 2003/2008 ...
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88 views

Upgrading from Ubuntu Server 12.04 to 14.04 caused KVM to no longer be supported

I finally got around to upgrading (do-release-upgrade) from Ubuntu 12.04 to 14.04 on my host machine (I have a handful of virtual machine already upgraded to 14.04), but now my host machine is ...
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Moving a VM from VirtualBox to MS Virtual Server R2

Is this possible straightforward? Do i need to convert the images before moving to Virtual Server?
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558 views

Running virtual linux using qemu on windows

I am trying to use Qemu 1.3 for windows to run lubuntu on a USB stick with Windows 7. After downloading and unpacking Qemu on my usb stick, if I click on qemu.io.exe, I get qemu-io.exe> How do I ...
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What is better with virtual machines than with containers?

I've been reading up on Docker recently, and I see that there are plenty of reasons to use containerization instead of virtual machines. But what is not talked about as much (since containerization is ...
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151 views

Windows Phone Emulator 8.0 needs SLAT to run?

After installing Visual Studio Ultimate 2013 with Update 2 I got this error message at the end of the installation, telling me that my computer does not support hardware virtualization, and that for ...
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Can a single OS installation on a SSD be shared between a desktop & a laptop?

Recently purchased a SSD and was wondering if there was an Operating System that allowed you to swap between 2 different machines (multiple hardware profiles? in this case my laptop / desktop) ...
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Attempting to passthru USB disk to XENserver windows guest, reporting wrong size and error

I am attempting to passthru a brand new Seagate USB disk (4TB) to a Windows 2008 virtual guest in XEN 6.2. I connected the device, it is listed properly by fdisk -l (even lists correct size, but says ...
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Connect to virtual machine on ESXi host from the Internet

I have a Dell PowerEdge R710 server with ESXi 5.5 installed on it. Server is connected to switch, switch is connected to router, router has internet access. On ESXi I have one virtual machine, Windows ...
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118 views

No virtualization option in bios options in hp envy 700 215 xt core i7 processor

I ran this CoreInfo tool from Sysinterals: http://technet.microsoft.com/en-us/sysinternals/cc835722 and it says HYPERVISOR - Hypervisor is present VMX * Supports ...
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How to know if Xen hypervisor is running in ring -1?

I compiled and installed a Xen hypervisor v3.5 in my desktop (x86-64, CPU AMD Athlon(tm) II X4 640). How do I know if Xen has leveraged the AMD-V features of the the processor? More specifically, is ...
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virtual machine go back to snapshot while running

I have this usual scenario when I want to go back to blank system (without changes): I stop virtual machine, then delete snapshots and then start virtual machine again. BUT: Is there any way how to ...
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Can you run one virtual machine inside another?

Is it possible to, say, run VirtualBox on Windows 7 with a Linux guest, and inside that Linux machine run Bochs? The reason is that I'm interested in starting OS development, and I've found that all ...
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RT2800 USB: monitor mode using Virtual Box

Information I am using a WiFi USB Adapter and the latest version of Kali running under VirtualBox. Chipset: Ralink RT2870/3070 Driver: rt2800usb Manufacturer: TP-Link FCC ID: TE7WN727NV3 It is ...
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Performance degradation of VM vs real machine

I know there is quite a bit of info about this topic around the web but after spending several hours reading other posts and articles I still don't have a solid understanding. Here is my setup: Quad ...
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3answers
3k views

How can i setup a guest-guest network connection with virtualbox?

I have setup multiple guest hosts with NAT networking. On each hosts i have some portforwards so i can connect from my host (like 2222 to 22 host 1, 2223 to 22 host 2, ...). How can i setup a ...
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4answers
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How do you enable multi-core virtualization in Windows 8 Pro?

I've just got a new Dell Vostro 470 with a quad core (8 threads) i7 3770 and I'm trying to run virtual machines on it, which works fine, except if I want to assign multiple cores to a VM. I've checked ...
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2answers
41 views

Can I use the same Virtual Machine in two virtualizers?

Is it possible to use the same virtual machine in VirtualBox and also in VMware without losing any data? I don't need to use them "at the same time" but rather have the choice to lauch the virtual ...
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2answers
10k views

Are there any pros/cons to enabling virtualization on my computer?

If I am not using any virtualization software on my computer, do I gain or lose anything by enabling (or disabling) x86 virtualization?
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321 views

How to let the Hyper-V / Virtual Machine Connection window use native resolution instead of incorrect high-DPI scaling?

I installed Ubuntu 14.04 on a Hyper-V virtual machine hosted on Windows 8.1. It all runs on a Surface 3, so the high DPI scaling is enabled on Windows. I also have a plain old full HD secondary ...
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Enabling Intel VT-x virtualization with a Dell Bios

Edit: My previous questions was wrongly written so I'm going to explain myself better. I've been trying to install Intel's HAXM in my PC(Dell Optiplex 3020, Intel Core i5 4050). I haven't been able ...
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2answers
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Transfer VM without shutting it down?

Is it possible to transfer a VirtualBox VM from one server to another without shutting it down? Is there any way to achive this? Does this technology have a name to identify it? As far as I know Xen ...
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Virtualization for security reasons [closed]

I am going to build a home server and I am planning it's software setup. I would like to expose one or two services to the outer world. Namely, OwnCloud, in order to have remote access to my files. ...
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Windows 10 Technical Preview HP Virtualization Technology : Not Booting Up

For running Windows Phone emulator of Visual Studio, it requires to enable the virtualization technology in BIOS settings. I am using Windows 10 Technical Preview in HP 15-r022tx machine. When I ...
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Can I use VHD file to boot VMWare?

I am using VMWare and my OS image is in the form of a VHD (virtual hard drive). I've done some searching but I don't see anything on this. So my question is: Is it possible to load my OS onto my ...