Unix and Linux Stack Exchange
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Questions tagged [qemu]

QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that performs hardware virtualization.

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How do I get my mouse back from QEMU/KVM?

I'm running QEMU/KVM on Debian Testing x64 with this command: kvm -m 1024 -hda win7.img -cdrom win7x86.iso -boot d -net user But when I click inside the virtual machine, QEMU captures my mouse and won't let it go. I thought the key combination to…
Michael A
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5 answers

How to SSH from host to guest using QEMU?

How do I setup ssh from the host to the guest using qemu? I am able to use port redirection when I boot the VM without any special parameters, as follows: /usr/bin/qemu-system-x86_64 -hda ubuntu1204 -m 512 -redir tcp:7777::8001 But when I try to…
jobin
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How can I chroot into a filesystem with a different architechture?

I'm trying to chroot into a Arch Linux ARM filesystem from x86_64. I've seen that it's possible to do using static qemu by copying the binary into the chroot system: $ cp /usr/bin/qemu-arm archarm-chroot/usr/bin But despite this I always get…
Jivings
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How to create a VM from scratch with virsh?

It looks like that you cannot create a brand new VM with virsh unless you already have a working XML file. I have just installed all the needed bits for QEMU-KVM to work, and need now to create my very first VM. How to? Hint: I don't have graphics!
EnzoR
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Booting a raw disk image in QEMU

I have a disk image file from here; that page says I can boot this image with QEMU and the following command: $ qemu-system-x86_64 -m 4096 -ctrl-grab -no-reboot x86-64.img That gives a message: WARNING: Image format was not specified for…
cat
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5 answers

How to mount qcow2 image

I've read that with qemu-nbd and the network block device kernel module, I can mount a qcow2 image. I haven't seen any tutorials on mounting a qcow2 via a loop device. Is it possible? If not, why? I don't really understand the difference between a…
onlyanegg
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5 answers

How to boot EFI kernel using QEMU (kvm)?

I'm trying to emulate a EFI environment using QEMU (kmv); virtualbox takes 15 minutes to boot in EFI mode using archboot. Using legacy BIOS mode, I can boot using this command: root@citsnmaiko-deb:/home/maiko/uefi/ovmf# qemu-system-x86_64 -kernel …
MaikoID
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What's the difference between KVM, QEMU and libvirt?

I'm trying to understand how all the components of the VM ecosystem fit together. What's the difference between: KVM QEMU libvirt Which is controlled by virsh and virt-install? This comment says that libvirt is an abstraction ontop of QEMU, which…
falsePockets
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3 answers

Shared folder between QEMU Windows guest and Linux host

In the past I have used Virtual Box which has very good support for sharing a folder on the host with a Windows guest. I am looking for similar functionality for QEMU. The documentation suggests to expose a Samba server running somewhere in the…
Lekensteyn
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How do I boot from a liveusb using qemu-kvm?

I am trying to get qemu-kvm to boot from my live usb stick. Is this possible?
mikewilliamson
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Emulate unplugging a network cable with qemu-kvm

[Background: I'd like to actually test How to take down a static network interface when not connected? ] I'm setting up a QEMU-KVM virtual machine using libvirt (via virt-manager). I put two NICs on it (both virtio). They are bridged to a physical…
derobert
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Can I pass through a USB Port via qemu Command Line?

I'm launching a VM using qemu-system-x86_64. I know two ways to pass through a USB device. Say for example, I had a mouse that showed up in lsusb like Bus 003 Device 011: ID 6ade:9582 Amazing Mouse Maker I could pass it through using -device…
DeepDeadpool
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Connect to running qemu instance with qemu monitor

I'm having an instance of qemu running on Windows 7, running without an open terminal. Now I want to shutdown the machine with the name MyMachineName or add an USB-Device to it. I need a scriptable solution. Libvirt is not a solution, because it…
Cutton Eye
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Move qcow2 image to physical hard drive

I have a qcow2 image that I use to boot an installation of linux using QEMU; I would like to place the contents of that image directly onto a physical hard drive so that I can boot to that linux installation directly from my desktop. I would like to…
Chris
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2 answers

How can I store files in the mounted shared folder?

I am running a Fedora Workstation virtual machine on an Ubuntu host. I created a folder /home/cl/share in the guest and mounted the shared folder /media/cl/system/virtual/share as root following the instructions from linux-kvm : mount -t 9p -o…
cl-netbox
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