QEMU (short for "Quick EMUlator") is an open source machine emulator and virtualizer.

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QEMU using GRUB not responding to keyboard input

My operating system is Windows 7, but I am running QEMU inside VirtualBox because for several reasons that do not need to be listed here. Let it be known that I have run QEMU using the UEFI OVMF as ...
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369 views

Create “linked clone” or layered shared disks with QEMU

Does QEMU support a feature like VMware's "linked clone"? What I'm trying to accomplish: I'm setting up a test environment with a handful of VMs, that are all nearly identical. However, a fresh ...
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243 views

Installing KVM virtual machine hangs at “connecting to graphical console for guest”

I am using KVM to install a virtual machine on RHEL 7.0, but the installing hangs, and displays "connecting to graphical console for guest": The terminal log is like this: [167804.496139] ...
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977 views

Does qemu/KVM allow sound through Spice?

I'm setting up a Windows 7 virtual machine to try and eliminate my physical partition. I have it installed and working with Spice and the drivers from the fedora site: https://fedoraproject.org/wiki/...
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146 views

zfs on x86_64 on qemu on raspberry pi

I find when you try to ask for help for a bizarre problem, somebody inevitably tells you to solve your problem a different way, or they want to know what problem you REALLY want to solve, so here's my ...
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923 views

Installing QEMU for Centos 6.6

I tried to yum install qemu and it doesn't seem to be available. How do I get QEMU onto CentOS 6.6 especially the qemu-system-* to run ISO images ? My yum repolist: repo id repo ...
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451 views

Save qemu VM state like in Virtualbox

I am used to the Virtualbox "save machine state" exit strategy, which is a handy way to let the host reboot without shutting down the vm. I recently switched to qemu because of its VT-x in VT-x ...
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418 views

How to pass commands noninteractively to running QEMU from the guest. QMP via telnet/SSH?

I'm running a virtualized Win8 (gaming) platform under Linux host. I use Synergy for keyboard and mouse sharing but I need to pass the usb devices occasionally. GPU is passed to the guest and I'm ...
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1k views

Openvswitch: multiple virtual bridges over one bonding interface

My ultimate goal is to configure a RedHat 6.6 server with Openvswitch as shown in the following image: Interfaces configuratión files are: ifcfg-eth0 DEVICE=eth0 ONBOOT=yes NM_CONTROLLED=no ...
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3k views

Converting .qcow2 V Hard Disk into .VMDK (Windows/VMWare)

Is any way to convert a .qcow2 into .vmdk on Windows 7 64-bit using VMWare Workstation? i did that using a tool qemu-img in my linux host (SLES11): qemu-img convert -f qcow2 vdisk.qcow2 -O vmdk ...
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106 views

How to setup Windows 7 in Qemu on MAC?

I've installed quemu using homebrew . But in application folder there is no Qemu app. What to do? Im on osx Maverick.
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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 Windows...etc...etc.....
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283 views

Mount or extract data from LVM partiiton inside of a RAW IMG File?

I have a raw disk .img file (running file indicates that it is a "DOS/MBR boot sector" file). Running mmls produces the following output: DOS Partition Table Offset Sector: 0 Units are in 512-byte ...
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334 views

Qemu mouse movement speed

Is there a way to increase the mouse movement speed in qemu? Currently, the mouse in the guest OS is horrible slow even when max speed is set in guest OS. This is the QEMU startup command: ...
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48 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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287 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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283 views

Show qemu command line from virsh

I am debugging a problem with a libvirt VM starting, and I want to see the exact command line that it is going to use to start qemu. Is this possible using virsh or some other utility?
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206 views

Why does my networking work while installing os in qemu but doesn't when I boot

I have a qemu system running arch-linux. While installing the device with: qemu-system-x86_64 -hda arch.img -boot d -cdrom archlinux-2014.12.01-dual.iso -m 1024 I can access the network from qemu ...
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314 views

Unable to start VM from php

From a php page I am trying to start Virtual Machine using virsh tool on KVM hypervisor but I am getting this error. error: Failed to connect socket to '@/var/www/.libvirt/libvirt-sock': Connection ...
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840 views

“qemu-nbd --create” without sudo

I'm working on a custom OS, and the make recipe I wrote for creating a new disk image requires sudo for connecting/disconnecting the virtual HDD image to a /dev/nbdN device. Because I don't want sudo ...
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3k views

Install Windows Server 2012 R2 in qemu VM

I'm trying to install Windows Server 2012 R2, but right after loading Windows files I'm getting: Your PC needs to restart. Please hold down the power button. Error Code: 0x0000005D My command is: ...
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153 views

Weird output from linux `top` command

I got a weird output from command top, which shows the summation of the RES column is greater than my physical memory. For instance, I have a host with 64G physical memory and the swap partition has ...
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29 views

Making qemu look better

I have a machine running kubuntu, and use qemu to run a VM. It looks really bad as you can see in the screenshot. What can I do to make it better? I prefer solutions that don't require sudo access, ...
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415 views

How to expand the file system for RPi emulation with QEMU?

I've recently grabbed a pre-compiled version of QEMU running Raspbian Wheezy for use on Windows as I would like to do some testing and a dev environment like this is far more kind than using the ...
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160 views

Virtual machines using wrong IP addresses

I have a host computer (A), running three virtual machines: X,Y and Z. They're under a NAT layer, in which the Host A is the gateway (192.168.0.1/16), and the VM's are respectively 192.168.0.2 (X), 0....
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136 views

Virtual machine host software

I would like to create a virtual machine running Linux and a couple of network services. This virtual machine should be on a USB stick and able to run on both Windows and Linux hosts, with as little ...
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3k views

vagrant fails to create box with libvirt

I am trying to setup a box with vagrant and libvirt with the following Vagrantfile Vagrant.configure("2") do |config| config.vm.define :test_vm do |test_vm| test_vm.vm.box = "test" test_vm....
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362 views

Issue with creating an Windows 2008 Virtualized image with qEmu [closed]

I'm trying to create a qemu image of a 64bit Windows 2008 Server install. It will be used on Openstack as an instance. The Virtualization environment [of qemu] is being run from a VMware virtual ...
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595 views

Boot OpenSuSE installation in QEmu-KVM using QEmu-KVM as the bootloader

I am trying to pass kernel parameters to a virtual OpenSuSE installation without typing them on a boot prompt, using the ability of KVM to load the kernel directly. First, I mount the installation ...
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2k views

Use a real Windows hard-drive to boot off Qemu?

I'm looking for a Windows equivalent of Unixish: qemu -hda /dev/sda How does the Windows version of it look like, assuming the device I'd like to boot is under the drive letter E:? qemu -hda E: didn'...
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220 views

Qemu does not shutdown with vnc enabled on OS X

I am trying to run Qemu on my Mac and I have some difficulties. I am using OS X 10.8.2 and installed Qemu 1.2.50 via their repository. Update: Just upgraded to Qemu 1.3.50 and the problem is still ...
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72 views

error in qemu monitor wavcapture with virsh

I have VM running on qemu-kvm. I am managing it with libvirt and command line tool virsh. I want to record the audio output of the VM. Here is what I am trying - virsh qemu-monitor-command -hmp ...
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375 views

How do I install Windows 8 (from an ISO) using Q (qemu)?

I have downloaded an ISO image of Windows 8 from Microsoft Dreamspark and I am on a 27" iMac without administrative privileges. I would like to install and run Windows. The only way I found to do so ...
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1k views

DosBox Booting From HDD Image, FreeDOS Image created with qemu-img.

I'm having trouble booting a HDD image with DosBox. I've only gotten either read errors, or boot failures. The HDD image is a verified working FreeDOS installation, created with qemu-img. The image ...
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2k views

KVM and libvirt: How to configure a new disc device to an existing VM?

I've got an Ubuntu 9.04 server running two VM's. In /etc/libvirt/qemu/machine1.xml two disk devices are defined like this: <devices> <emulator>/usr/bin/kvm</emulator> <disk ...
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808 views

Networked Parallel Port in Linux / KVM / QEMU

What I want to use is the "-parallel" tcp or udp option from KVM / QEMU, but I don't seem to find any server for this client. I don't serve a printer but a hardware dongle. I checked ser2net, which ...
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1k views

Where can one download PartEdit a partition listing tool for Microsoft OSes?

There are many references to this tool, which seems to be an advanced fdisk-like utility for microsoft OSes, available from Microsoft. But searching support.microsoft.com provides now download! (...
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197 views

debian installation without internet connection

I want to install some Debian distributions (Grip, Crush, Lenny...) for arm / armel architectures. www.emdebian.org/ I'm referring to this guide: http://www.aurel32.net/info/debian_arm_qemu.PHP ...
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223 views

qemu + centos 7 - cpu tuning in not available on this host

I am running OpenNebula on Centos 7 hosts - one host is fully operating the other two says: error: unsupported configuration: CPU tuning is not available on this host I've got through some git code ...