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

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Find software/resource allocation changes on virtual server within last 24 hours

I am using a virtual server for computational tasks involving a NVIDIA GRID K2. An IT department is administrating the server. Within the last 24 hours the server has been rebooted and now I get the ...
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135 views

Add native boot for a windows 10 VHD inside Debian Linux

On my laptop, I have Debian. For my .net development activities, I run windows 10 inside virtually (sometimes VirtualBox, sometimes Vmware Player). The problem is that Visual Studeio 2015 is way too ...
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hyper-v problems on windows 8.1 and server 2012 r2

it's complicated and grows every minute. last day my os was windows 8.1 pro x64 and virtualized windows 8.1 pro x86 with hyper-v. it was really fast, reliable, okay; except vgpu. vgpu is remotefx on ...
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69 views

Is it possible to virtualise any CPU on any other CPU?

I recently got a Raspberry Pi and read a lot of blog post about projects on it, and wanted to try a few of them. But I also read that SD cards don't have a high life duration if we (re)write many ...
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2answers
1k views

VirtualBox is very slow in Windows 10

I had VirtualBox installed on Windows 8.1 and it was working correctly. I upgraded to Windows 10 and re-installed VirtualBox, but it's very slow. System Info: CPU : Intel Core i5 Graphic Card : ...
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2answers
104 views

How can I get wifi on virtual machines for Kali Linux?

I want to connect my virtual machine (running Kali Linux) to wifi networks so I can do testing on the network (not through NAT). I have a Asus USB-AC56 wireless adapter but even with this I cannot ...
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1answer
104 views

Is it possible to use Hyper-V VM without booting into host OS

I'm a newbie in Hyper-V / Virtualization. I'm trying to explore the Hyper-V feature that came bundled with Windows 8.1. On reading some online tutorials, here what I discovered about Hyper-V. ...
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1answer
100 views

Docker Quickstart Terminal: cd: /u: Permission denied

I've just installed Docker for Windows. Quickstart terminal creates the 'default' vm, but then it can't access it with text: bash: cd: /u: Permission denied Looks like something went wrong... Press ...
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209 views

USB passthrough for QEMU gets error “qemu: could not add USB device”

When trying to run arch linux with a usb passthrough using qemu on my macbook pro retina 2015, running osx Yosemite 10.10., using the command: sudo qemu-system-i386 -cpu core2duo -cdrom ...
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221 views

What is the difference between a Java virtual machine and a VMWare VM?

I know that they are both called 'virtual machines', but what is the exact difference?
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41 views

Container Console is unavailable in Parallels virtual automation

am trying to access console in Parallels virtual automation for the current container am running. but it show the error Container Console is unavailable. Possible reasons Remote Display is ...
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1answer
3k views

failed to start Virtual Device in Oracle Virtual Box

I was tired to do everything indicated on net. I am using Genymotion to start virtual device but when i start device it's gives me that error Note: When i start virtual operating System Linux it's ...
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221 views

How to enable VT - X in Acer Aspire notebook E5-573-5108

I purchased a new Acer Aspire notebook E5-573-5108. Processor: Intel Core i5-4005U (2.2GHz, 3MB L3 cache). I installed VMware workstation, but when I install an operating system on the VMware ...
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2answers
398 views

CPU-Z does not recognize the support of VT-x in Windows 10?

My CPU does support VT-x. In Windows 7 before when I run CPU-Z it showed the VT-x in the Instructions list. But now after I upgraded to Windows 10, when I run CPU-Z it does not show VT-x in the ...
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1answer
247 views

Xen Hypervisor with linux host and Win7 guest - gaming

I'm a bit of a newbie in the linux community, and especially in virtualization. I discarded Windows a while back and moved to linux, mainly because my university uses Ubuntu on their computers, and ...
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1answer
150 views

MSDN Datacenter and Standard Licensing [closed]

I have an ESXi server that hosts VMs of Windows Server 2012 R2 environments. In that process, I have a template that uses Windows Server 2012 R2 as the OS with other software. This way users have the ...
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37 views

Creating a virtual network interface on Fedora?

I would like to create network interfaces named vNIC11 and vNIC12 on Fedora 23 that I could connect to a bridge. How is this done through the scripts in /etc/sysconfig/network-scripts? What should be ...
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151 views

Autofit Guest in Workstation 12 Player

Windows 10 Pro 64-bit Host O/S. (the "Host") Windows XP Home 32-bit Guest O/S (Latest VMWare Tools installed) (the "Guest") I have been unable to activate Autofit Guest inside the Guest. My goal is ...
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2answers
462 views

ESXI only 4.7GB RAM available for VMs from 8GB of RAM. why so little?

I have an ESXI 6.0 with 8GB Ram. For some reason I can only use 4.7GB for VMs. I tried using esxtop but didnt see anything using lots of RAM. Below are screenshots from vsphere. Can anyone help me to ...
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78 views

Virtual box problems with a vmdk disk on usb memory stick

I have cloned a disk from virtual box format to a vmdk format splitted in small parts 2 Go. When I start a VM on an usb external hard drive everything is OK. But if I copy the disk on a usb key/stick ...
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90 views

KVM / Qemu Virtualization Live-Snapshot

im running an Ubuntu 14.04 Host with KVM/Qemu (libvirt) as virtualization host. Now im here to ask for the best practise about creating snaphots for the whole VMs. i read much about a Live-Snapshot ...
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50 views

Virtualization of Windows under the Linux

I have a problem. I am using dualboot on my laptop - Kubuntu and Windows 8.1. /dev/sda1 - EFI partition, /dev/sda4 - Windows OS partition # fdisk -l Disk /dev/sda: 698,7 GiB, 750156374016 bytes, ...
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23 views

VMWare Workstation image vs. ESXi image format

I understand that, in order to use an traditional vmware workstation image on an vSphere ESXi machine, it must be converted (using vdiskmanager, standalone converter, etc...) However, I'm a little ...
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Creating image of windows partition that can be run under linux [duplicate]

I was trying to create an image of my existing windows partition in disk2vhd program. I succeeded with .vhd image, but if I try to run it in virtualbox there's given error: "No bootable medium found! ...
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Can a hypervisor like VirtualBox be used to launch a virtualized OS which is also directly bootable?

This question is rather theoretical: Suppose I have a PC with two different OS on two different partitions: OS1 on sda1 and OS2 on sda2. Is it somehow possible to set up a program like VMWare or ...
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28 views

Hyper-V VMs running on a different subnet

I'm wanting to achieve the following and so far struggling. I have a physical server running Windows Server 2012 Standard acting as a Hypervisor solely (running Hyper-V). I want the Virtual Machines ...
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62 views

How to solve the error “Code: 0x0000000A” while installing Windows 8.1 with enabled VT-x

I am using VirtualBox 5.0.0 for Windows hosts I have same problem as described here but my VT-x is enabled in BIOS. But my virtual box thinks other way.
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28 views

Virtual box multiple adapter settings issue

In virtual-box i have 2 VM's which has Xubuntu in one and Ubuntu Server in the other. I have selected 2 Adapters in Network settings 'NAT' and 'Host-only Adapter'. Issue: Xubuntu gets correctly 2 ...
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44 views

How can I get a low power virtual machine?

How can I get a low power Linux virtual machine? I usually use virtual machines on my laptop to use some GNU/Linux programs, and I've found that at the very moment I start a Virtual Box machine, the ...
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77 views

Keep in sync a bounch of remote Virtual Machines/Appliances

Small Intro I'm preparing a virtual machine (a sort of virtual appliance) for a small target of users, 8-10 of my friends. This vm will run on their pc and simulate a machine connected on their ...
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38 views

Do CloudStack and Hyper-V get along?

Here is the deal, I need to hook up my Hyper-V environment to my HostBill environment so customers can restart, shut-down and install new virtual machines. Since HostBill doesn't have a Hyper-V ...
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449 views

Virtual Box virtual machine guest OS screen is not resizing in Windows 10

I have guest additions installed on my Virtual Box, so that the screen is a decent size. When I start Virtual Box, the screen resizes properly. I am running Mac OS X 10.11 (El Capitan), the guest OS ...
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31 views

kvm crash when running with default clock option

I am running kvm on an embedded linux platform. The OS running is a custom built Linux using kernel 3.18.21; packages are being pulled in as needed. The architecture is intel x86 64bit. When I run ...
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167 views

Steps to Use WinToUSB app to create a Windows To Go WTG on VHD?

WinToUSB is a WTG Creator for Non-Enterprise Windows versions. http://www.easyuefi.com/wintousb/faq/en_US/How-to-use-WinToUSB.html Apparently, it does support VHDs, but I have not been able to find ...
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46 views

Guest in VirtualBox 5.0.4 should act as router for SSLsplit

Recently I’ve been studying SSLSplit and TLS/SSL so I wanted to try it in VirtualBox. Host system: Windows 8.1. Guest: Ubuntu 14.04 with Bridged Network Adapter. On guest I allow forwarding in ...
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16 views

Vagrant crashes host when enabling public_network

I try desperately to enable public_network in Vagrant. However, as soon as I enable the option in my Vagrantfile, my computer (the host) freezes totally. I have created an issue a month ago on ...
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1answer
6k views

Virtualized OSX can't see iPhone device

I've been running a VM with OSX for a while now while developing for iOS using an iPhone device. Everything was working fine until the update to El Capitan. Since the update, the iPhone is no longer ...
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86 views

VMware - Protecting a virtual machine ovf/ova

I am working on vcenter server 5 standard. I am generating an OVA using vsphere client. Since OVA is a tar file, unauthorized user can get hold of the software. So i am looking at solutions to prevent ...
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38 views

HyperV share broadband network

I can't seem to get my desired setup work First things first: I have an ISP providing me USB stick, running on Win10 Pro host (works fine) I have hooked up DDWRT Linksys E1200 switch to share the ...
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669 views

Hyper-V virtual external switch disables my internet connection

My goal is simply to get internet connection within my virtual machine (without disabling it on the host). Given the length - I split this is to different parts, as I am aware some would prefer to ...
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25 views

How to force all connections to “as host” in Hyper-V?

I have multiple local VMs running on Hyper-V (Windows 8.1 Ent). All of them are configured with 'External' network adapters allowing them to share internet connection with the host. My problem is now ...
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68 views

Using integrated GPU to render Linux desktop instead of my dedicated GPU

I'm trying to set my CPU integrated GPU as the default one for rendering. I also have a dedicated R9 280. I'm doing this to pci passthrough the R9 to my windows VM to play games. Looks like you must ...
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125 views

Vagrant VM is starting but ansible doesnt process anything

I have such Vagrantfile: # -*- mode: ruby -*- # vi: set ft=ruby : VAGRANTFILE_API_VERSION = "2" Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| config.vm.box = "ubuntu/trusty64" ...
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73 views

Backup Windows 2008 R2 Server to a ISO file

I want to virtualize a Windows 2008 R2 Server system for testing. At the moment the system in question is installed in a server and I want to make a copy of everything to an ISO file to then ...
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1k views

VirtualBox no acceleration on Windows 10 host

After upgrading my host OS to Windows 10, I have noticed some problems with my guests so I looked around the settings and noticed that the number of CPUs and acceleration options are greyed out.. I ...
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570 views

How to enable Virtual Technology from BIOS in windows?

Oracle VM VirtualBox gives the following error message when trying to start a virtual machine: AMD-V is disabled in the BIOS (or by the host OS) (VERR_SVM_DISABLED). How to enable virtualization ...
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2answers
198 views

How much RAM/CPU for running VS2015 on a VM? [closed]

Host system: Linux, i5 4210U 2 cores / 4 threads, 8 GB RAM Guest system: Win10, Visual Studio 2015 Enterprise How much RAM and how many CPUs should I assign to the VM to ensure a smooth experience?
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171 views

How do I script the creation of Disposable Virtual Machines with vmware workstation?

I am Making a disposable (use for one task/website then delete) Virtual Machine (VM) it's a slow process to do it in VMware workstation. I want to automate it so it is like the quick ~5 second DispVM ...
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1answer
104 views

Under what environment would a VM perform better: a virtual box VM on a lightweight Linux distro, or a hyper-v VM on windows server 2012? [closed]

I would like to allow my modest laptop to host VMs for the purpose of software development. I’d like to run one VM at a time nothing more. I’d just like to know which of the suggested setups would ...
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297 views

i5-4460 or amd fx-8350 for virtual machines (vmware)?

I am building a new desktop that will be used as server in my room - it will basically run 24/7 with 20 or 30 vmware virtual machines active (windows xp installed with 512mb ram, 10 gigs of ssd) - ...