Qemu is a cross-platform processor Emulator.

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17
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3answers
45k views

How do I install qemu?

How do I install the qemu command? I type qemu and press tab and I get a list of several binaries installed. qemu-alpha qemu-arm ... qemu-x86_64 but no qemu. I type man qemu and it returns the ...
14
votes
2answers
8k views

How can I ctrl-alt-f# to get to a TTY in a QEMU session?

I'm doing an install via testdrive using QEMU/KVM and I would like to check the log files during the installation, however I can't figure out a way to send Ctrl-Alt-F1 and other F keys to the ...
11
votes
2answers
22k views

“autoreconf: not found” error during making qemu-1.4.0

I was ./configure'd the qemu-1.4.0 and during make it cause: (cd /home/amin/Simulate/qemu-1.4.0/pixman; autoreconf -v --install) /bin/sh: 1: autoreconf: not found make: *** ...
8
votes
4answers
13k views

How do I mount a qcow2 disk image?

I have a QEMU virtual machine that uses a qcow2 disk image. How can I mount its filesystem without powering on the virtual machine?
8
votes
1answer
992 views

How do I deploy a virtualized server on a headless machine running 12.04 Server?

There is so much different information out there about setting up a virtual machine but I'm at a lost where to start. My fundamental question is: How do I virtually deploy a web server (complete with ...
7
votes
4answers
11k views

How to resize virtual machine disk?

Is there anyway to resize a virtual machine's disk? Say increasing the disk size from 32GB to 64GB. I am running KVM/Qemu on Ubuntu server 11.10 64bit. Thanks.
6
votes
1answer
3k views

What are practical advantages of using linux-image-virtual kernel?

Ubuntu provides an alternative kernel package - linux-image-virtual, that is supposed to be optimized for use in virtual machines. What are actual optimizations and how much faster/smaller/better is ...
6
votes
2answers
1k views

How can I run Unity 11.04 in qemu? [closed]

I want to try Ubuntu Natty with the Unity Desktop and the Compiz Support from the PPA in qemu. But I can't get the Graphic Support to run Unity. Is it possible to get compositing running with qemu?
5
votes
1answer
282 views

How to create and export a vmware image using vmbuilder

I've been using vmbuilder to build kvm images as such: vmbuilder kvm ubuntu \ -v \ --suite=precise \ --libvirt=qemu:///system \ --arch=amd64 \ --cpus=2 \ --mem=1024 \ ...
4
votes
2answers
2k views

Is my VM using KVM or QEMU?

After installing Ubuntu 11.10 and copying my KVM images which were created on Ubuntu 11.04 over to the new system, I notice that Virt-manager says it's using QEMU and not KVM. Also when running virsh ...
4
votes
1answer
445 views

Can I run Ubuntu in JavaScript (Linux emulator)?

Is it possible to run Ubuntu in JSLinux ? Here is today's Slashdot post about JSLinux.
4
votes
3answers
7k views

How do I run qemu with 64bit processor on a 64bit machine?

I'm running Ubuntu 11.04 64 bit and recently installed qemu-kvm. Now I want to start a 64bit live CD using qemu -m 512 -boot d -cdrom archlinux-2010.05-netinstall-x86_64.iso This loads the image and I ...
4
votes
2answers
9k views

How do I convert a multiple-part VMDK disk image to qcow2?

I have a VMDK disk image that exists as multiple files: 2.0G guest-s001.vmdk 1.8G guest-s003.vmdk 128K guest-s005.vmdk 2.0G guest-s002.vmdk 1.7G guest-s004.vmdk 4.0K guest.vmdk When running ...
4
votes
1answer
5k views

virt-manager can't connect to libvirt

I'm running Ubuntu 12.04.2 32 bits. The error doesn't show up if I start gksudo virt-manager. libvirt-bin is installed. I don't know how to check for the daemon. I am a member of libvirtd. ...
4
votes
2answers
5k views

KVM kernel module error

I just installed qemu and ran qemu-system-i386 -hda ubuntu32 -cdrom ~/Downloads/ubuntu-12.04-desktop-i386.iso -m 1024 -boot d and got some errors Could not access KVM kernel module: No such file ...
3
votes
2answers
4k views

Qemu KVM VNC Support

Do I need to install a special package to get the VNC support ? I installed: sudo apt-get install kvm qemu-kvm qemu-kvm-extras Everything works fine, I only get no VNC server up and running, ...
3
votes
1answer
733 views

kqemu ppa for 10.04

Where is a good (working, no dependency issues) PPA for qemu-kqemu and the kqemu module builder for Ubuntu 10.04? A good PPA from which to obtain kqemu for 10.04 from would be one that has a working ...
3
votes
1answer
3k views

Is there any prebuilt QEMU Ubuntu image(32bit) online?

I am playing with QEMU. Here I found some prebuilt OS images: http://docs.openstack.org/trunk/openstack-compute/admin/content/starting-images.html But they are all for 64 bit system while my system ...
3
votes
2answers
854 views

Running 64 bit Ubuntu distribution from 32 bit Ubuntu

Related to this question How do I run qemu with 64bit processor on a 64bit machine?, I'm trying to run latest ubuntu 11.10 64bit distribution under Ubuntu 11.04 32 bit using qemu on a core2duo (64 bit ...
3
votes
1answer
334 views

Why am I getting a black screen when booting VM using qemu?

When I try to boot a virtual machine using: qemu-system-x86_64 -m 1024 -cdrom /host/iso/ubuntu-13.10-desktop-amd64.iso -name mac -hda ~/ubuntu Iget a black screen just after the installation ...
3
votes
1answer
2k views

Convert dd image file to iso

I've a disk dump image (.dd) of an old version of X-Linux (X-Linux R41). Is there any chance to successfully convert this .dd image to a .iso? I've tried this conversion through a forensic tool, but ...
3
votes
1answer
782 views

KVM or QEMU_KVM or QEMU_SYSTEM_x86_64 on Ubuntu 13.04

I have a clean fresh updated install of 13.04 server with no graphical display just CLI. I want to run a couple of Windows and Linux guests so did some research and it looked like KVM was the way to ...
3
votes
2answers
119 views

Add armhf as a suppoted architecture for guest KVM VMs (on a amd64 host)

I have an Ubuntu Server 12.04 setup with about 6 KVM VMs running. Guests are all x86 or amd64, host is a 2-socket Westmere Xeon box. Now I want to create a new guest VM but this time the guest VM ...
2
votes
1answer
1k views

How can I run qemu with KVM over ssh?

When I run qemu -cpu kvm64 -snapshot -hda binary.img at a local console, the image boots and runs as I expect. However, when I log in via ssh -C -X, I see: $ qemu -cpu kvm64 -snapshot -hda binary.img ...
2
votes
1answer
2k views

Update Qemu on Ubuntu 12.04

Currently Ubuntu 12.04 comes with Qemu 1.0, I would like to update this to a newer version (1.5/1.6) to achieve maximum performance. However there doesn't seem to be an apt package for versions > 1.0 ...
2
votes
1answer
2k views

How do I connect to my running VM via virsh?

My VM has already been started via virsh start chameleon.ootbdev. When I do a virsh console chameleon.ootbdev I get the following output: Connected to domain chameleon.ootbdev Escape character is ^] ...
2
votes
1answer
3k views

Which is best to use on a HEADLESS Server that is going to be use as virtualization host? KVM / XEN / QEMU?

Okay, The main purpose is to learn about virtualization and play around with it. However, I have a problem of determining which is best for a headless server. I want to run several Linux distributions ...
2
votes
1answer
1k views

Portable virtual machine with preinstalled Ubuntu for Windows?

I download "Damn Small Linux (DSL)" distribution from (http://ftp.belnet.be/packages/damnsmalllinux/current/dsl-4.4.10-embedded.zip) and this distribution has a very interesting version called ...
2
votes
2answers
34 views

Make bootable image from non-bootable to use with qemu

I hope the question is not duplicate, I didn't find anything helpful by myself. (And sorry for my english) I have a new Raspberry Pi, and I need to install on it an os with some softwares. I ...
1
vote
2answers
5k views

How to enable RDP on KVM

I installed KVM on a ubuntu natty server. I created a Windows XP Pro virtual machine that works perfectly and catch up with VNC, follow the setup string: <graphics type='vnc' port='5900' ...
1
vote
2answers
5k views

libvirt with SPICE on 12.04 amd64

I'm using 12.04 LTS amd64 as a KVM host + desktop. I have a Windows 7 ultimate 64bit guest on this host. The installation worked perfect with the default (VNC display) settings. Everything also works ...
1
vote
2answers
4k views

“ERROR: zlib check failed” while compiling Qemu

I recently formatted my PC and reinstalled Ubuntu 13.04 via Wubi in Windows. And after updates I'm getting this error: basel@ubuntu:~/Desktop/qemu-1.6-test$ ./configure ...
1
vote
2answers
690 views

QEMU hardware error 0x80000021

I'm trying to run Hiren's BootCD on QEMU but it throws a hardware error 0x80000021 on a Core 2 Duo, maybe there is some parameter missing to fix that. $ kvm --version QEMU emulator version 1.0 ...
1
vote
1answer
2k views

Loading KVM AMD module fails

I want to use QEMU+KVM on Ubuntu 11.10 Oneiric but virt-manager warns that KVM is not loaded and performance will suffer. The problem may depend on the fact that sudo modprobe kvm-amd fails with ...
1
vote
1answer
257 views

How to list all virtual machines created using qemu-system-x86_64?

I am using qemu-system-x86_64 to boot virtual machines on kvm running on Ubuntu 12.04 64-bit desktop. I have a few VM's that are currently running. I want to get the list of all VM's booted using ...
1
vote
1answer
43 views

Virtualising ubuntu-server on ubuntu using qemu

I successfully created an qemu image containing ubuntu-server. I installed that image server instance using the "normal" option. When I boot up the image using qemu ubuntu-server-13.10.img -boot c ...
1
vote
1answer
1k views

Error trying to compile qemu from source

I am trying to compile qemu from source to get my hands dirty with its development. I cloned the package from the repository. I extracted the tarball and started with the configuration using ...
1
vote
1answer
1k views

How to troubleshoot a macvtap network in kvm/virt-manager

I have a virtual machine running under qemu-kvm, on a 13.10 host. I am using virt-manager to define the machine, and I have added a virtual NIC, using the new macvtap driver. I have the following ...
1
vote
1answer
2k views

Compiling qemu with spice support

I am trying to compile qemu 1.3 with ubuntu 12.04 with spice enabled, I get this error: ERROR ERROR: User requested feature spice ERROR: configure was not able to find it ERROR I have read around ...
1
vote
1answer
3k views

virt-manager USB 2.0 problem

I have an Ubuntu 12.04 64bit with QEMU/KVM & virt-manager 0.9.4 (latest compiled from source) installed my problem is that all guest windows machines does not recognize usb2.0 ports: windows xp ...
1
vote
1answer
2k views

How to I prevent the screen from locking when I want a virtual machine to ungrab my mouse?

This happens in both KVM with virt-manager as well as VirtualBox. The key combo to ungrab the mouse from KVM is Control-Option-L on my Apple MacBook Pro keyboard. Option on Mac keyboards is mapped ...
1
vote
1answer
6k views

How to get faster graphics in KVM? VNC is painfully slow with Haiku OS guest, Spice won't install and SDL doesn't work

I've been coming up to speed on the Haiku operating system, an Open Source clone of BeOS 5 Pro. I'm using an Apple MacBook Pro as my development machine. Apple's BootCamp BIOS does not support more ...
1
vote
1answer
87 views

MAAS: Unable to start “Commisioned” nodes

I am having problems while trying to start my first node using KVM (QEMU 2.0.0) and MAAS. Automatic detection worked fine, and during the commission (virtual machine window) I get errors such as: ...
1
vote
0answers
28 views

Cannot install ubuntu in qemu…partition problem? [closed]

I am trying to install Ubuntu 13.04 LTS server to qemu image file. First, I created qcow image qemu-img create -f qcow2 ubuntu.img 10G and executed qemu with ubuntu server iso image. ...
1
vote
1answer
49 views

VM runs very slow using qemu

When I create virtual machine using qemu-system-x86_64 , it doesn't even boot up. This is how I boot the VM: qemu-system-x86_64 -m 1024 -name mac -hda ~/Documents/ubuntu1 but when I create the same ...
1
vote
1answer
74 views

Error while creating qcow2 file using qemu-img

When I am creating an qcow2 file using qemu-img command I am getting error as librbd.so.1 file not found. When I check for the dependencies that .so file is present in the /usr/lib folder. Can any ...
1
vote
0answers
172 views

Virtualizing Windows 7 with qemu-kvm SATA Issues

I am working on virtualizing a windows 7 image using kvm on Ubuntu 12.10 64 bit. Here are the specs for my machine: CPU: Intel i7-2860WM ,8G RAM I am using an image created with WinImage of a ...
1
vote
1answer
87 views

How to define clone presets to virt-manager

When using virt-manager 0.9.1 to clone existing machines, it ignores that the virtual disks are qcow2 compressed and sparsed. The cloned virtual disks are non-sparsed and in raw format. I know about ...
1
vote
0answers
69 views

sheepdog cluster

I'm using a Ubuntu 13.10 Touch with a Mate Desktop on a 32-bit Arm-System and have installed qemu and sheepdog, to use sheepdog in a 32-Bit system i have this Skript ...
1
vote
0answers
148 views

Very slow speed while mounting via SSHFS

My host is ubuntu 12.04. My guest is vanilla 3.0.33 kernel with custom rootfs. I have encountered the subj problem, while mounting host folder on the guest machine via sshfs. sshfs ...