Questions about the Kernel-based Virtual Machine, an open source virtualization infrastructure to use the Linux kernel as a hypervisor.

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6
votes
2answers
8k 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 ...
0
votes
2answers
1k views

Failure to boot after upgrade from 10.10 to 12.04

After upgrade from 10.10 -> 11.04 -> 11.10 -> 12.04 I got this error: How can I solve this?
2
votes
2answers
182 views

What is the process to get a winXP or win7 from its original harddrive into a virtualbox VM?

I've got a crying student in the hallway. It is submission date for an assignment paper, and his laptop died as it fell out of his backpack doing 30mph on the way in. The solid-state-disk seems ok, so ...
0
votes
1answer
365 views

Virt-Manager loses connection sometimes

I've been having an odd issue with virt-manager on 12.04. Generally speaking it works flawlessly, however sometimes it appears to lose connection. I've noticed that this will only occur if I 'reopen' ...
2
votes
1answer
4k views

How do I boot Ubuntu Cloud images in KVM?

I'm trying to get an Ubuntu Cloud image running on my local KVM installation. I am downloading the qcow2 image from here: http://cloud-images.ubuntu.com/releases/precise/beta-2/ And using the ...
1
vote
0answers
144 views

Ubuntu 11.04 Server randomly hanging [closed]

I'm running an Ubuntu 11.04 server release with kernel version 2.6.38.13-server, and for as long as I've had the system it has hung randomly. I'm starting to look into the LSI MegaRaid controller, ...
2
votes
1answer
3k views

PCI Passthrough on KVM

I am running KVM on Ubuntu 11.10 on an Intel-based machine, with G33 chipset and Q6600 processor (Supports VT-d). I am having problems when I want to add my PCI TV Card to my virtual machine. I get ...
0
votes
1answer
673 views

Ubuntu KVM Networking

I have two VMs ( linux based VM ) running on a UBUNTU/QEMU KVM. I am looking at a simple networking model, where in the VMs have public address and need to talk to the outside world and the outside ...
1
vote
1answer
2k views

Reset a USB Modem without physical access (KVM virtual machine)

ubuntu community, im using a usb-modem to connect a virtual machine with the internet. So host and guest do not share the same ip/network. I emulate by qemu-kvm, device forwarding works great with ...
10
votes
3answers
55k views

How to resize / enlarge / grow a non-LVM ext4 partition

I have already searched the forums, but couldnt find a good suitable answer: I have an Ubuntu Server 10.04 as KVM Host and a guest system, that also runs 10.04. The host system uses LVM and there are ...
1
vote
1answer
448 views

Connect to kvm instance via VNC and view X session

I've launched an Ubuntu 11.10 instance (oneiric-server-cloudimg-amd64-disk1.img downloaded from here) inside of KVM, with VNC enabled. I can connect to the instance using VNC, and I see a login ...
10
votes
4answers
22k 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.
7
votes
3answers
12k views

3d acceleration under kvm

Hey guys I'm new to kvm and virt-manager. Recently I've been trying testing the new ubuntu 12.04 alpha 2 and found unity3d in a unacceptable speed. After some googleing, I found it may be the ...
2
votes
1answer
470 views

How to configure the virtual machine settings in VMware's VSphere Client?

I probably got a uncommon problem/question regarding virtualisation. I want to evaluate certain things of OpenStack framework. I got an esx-server where I have setup a ubuntu server 64 bit. I need ...
3
votes
1answer
14k views

QEMU / KVM: Unable to pass multiple cores / CPUs to guests

it seems that I am unable to pass multiple cores / CPUs to KVM guests. Whatever I do, the guests only report one CPU / core. Host hardware: Xeon E5620 on a Supermicro mainboard Host software: Ubuntu ...
5
votes
1answer
1k views

How to install KVM in Ubuntu 10.04?

I am trying to install Ubuntu 12.04 on a USB flash disk and found this askubuntu question. However I am stuck at the part of the KVM. I am supposed to type this command at the terminal sudo kvm ...
0
votes
1answer
2k views

Unable to install 64-bit VM using KVM

I'm trying to install a 64-bit VM on a 64-bit host Ubuntu 11.04 server. I am using the 64-bit iso (ubuntu-11.10-desktop-amd64.iso) and I set the architecture to x86_64 but when I install the VM it ...
4
votes
3answers
8k views

Unable to use virt-manager

On Ubuntu server 11.10 I am trying to install a virtual machine using virt-manager. I believe that I have everything right, but when I go and run the command virt-manager I get the following error ...
1
vote
2answers
6k 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
4answers
1k views

Backing up a VM server to an external USB drive

I have an ubuntu 10.04 server running my VMs on kvm/qemu. I've been manually pausing my VMs (using virt-manager gui) and then copying the /var/lib/libvirt folder to an external usb drive at ...
0
votes
2answers
1k views

Working with remote dekstop?

I am running a Ubuntu 11.10 virtual machine under KVM hypervisor, bridged and connected to the local network. I installed VNCServer in the virtual machine and tried remote desktop, What happens is ...
0
votes
2answers
9k views

How do you get sound working on a Windows 7 guest OS in KVM on Ubuntu 11.10?

I have Ubuntu 11.10 installed on my work laptop. I have a Windows 7 (32 bit) guest OS installed using Virt-Manager. Everything works fine, EXCEPT sound. AC97 hardware is configured in the guest OS ...
1
vote
1answer
208 views

Could not start vanilla kernel on virtual machine

I have a Dell laptop with Ubuntu 11.10 installed. It is the host for 3 virtual machines (also running Ubuntu 11.10) installed using KVM. I need to recompile the kernel of each virtual machine for ...
1
vote
2answers
868 views

How to prevent installation from ejecting cd-rom?

I'm installing ubuntu server 10.04 over kvm switch. I have no physical access to the server. The server has ubuntu installation cd inserted. How to prevent setup from ejecting it after completion?
1
vote
1answer
1k views

Can't ssh or console to the guest using ubuntu-vm-builder

I'm running Oneric as the host, would like to create several virtual machines. Both the host and the guests will be headless - there is no display connected, and I'd like to connect to them via ssh. ...
1
vote
1answer
3k 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
2answers
3k views

How to route KVM virtual machine audio to Ubuntu 11.10 host using virt-manager?

I've been using KVM in combination with Virt-Manager and Remmina at a fair success up until now. The issue I need to solve now is to get audio from a virtualized Windows XP and make it audible on the ...
2
votes
1answer
4k 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 ...
8
votes
2answers
3k 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 ...
1
vote
2answers
2k views

Connect to KVM remotely

If I install KVM on an Ubuntu server and create some Windows virtual machines, I will need a GUI to go through the Windows install process. Will I need to install a GUI on the server, or is there a ...
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 ...
7
votes
2answers
2k views

Virtualization of Windows on Ubuntu 11.10 64 bit

Which is better and more efficient? KVM or virtual box for using windows on ubuntu 64 bit? I dont know much about KVM and I have used XP on Ubuntu 10.10 32 bit using virtual box,and it is very easy ...
0
votes
1answer
927 views

Do I need a dedicated graphic card to run some software virtualized?

Do i need a dedicated graphic card if i want to run softwares such as matlab,photoshop,etc on virtualbox in ubuntu.Does intel's integrated graphic card is enough or not? i plan to have a 8 or 6gb ram ...
1
vote
1answer
7k 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
2k views

How to install and run Windows XP / Vista in KVM headless server?

I have a Headless Ubuntu 11.10 Server running with KMV installed. I was able to install and run several VMs with the vmbuilder. However, now I want to install and run several Windows (XP & Win7) ...
2
votes
2answers
5k views

What is the best storage configuration for libvirt and KVM?

I have a KVM-host with a lot of local disk for virtual machines that I administer using virtmanager. I want an easy solution for addressing disk for my virtual hosts. I also want to be able to add ...
1
vote
2answers
2k views

How to run kvm/qemu on a virtual terminal with kms enabled

I deduce from the kvm howtos that this should actually work with sdl and a framebuffer, but I can't get it going. Doing kvm -cdrom tinycore-current.iso with normal user account on a virtual terminal ...
1
vote
2answers
1k views

Install only virsh command utility to manage KVM VMs (without GUI)

I want to only install the packages that provide virsh to create and manage KVM virtual machines. What do I need to install, what do I need not install to skip the GUI elements? For the record, I ...
0
votes
1answer
97 views

how do I bring a vm created with testdrive under kvm or qemu?

After installing oneiric with testdrive, how do I bring it under aqemu or kvm?
5
votes
4answers
5k views

How to use SPICE?

I tried to use SPICE with qemu to use with a Windows XP virtual machine on Ubuntu 11.04/64 bit. I followed these instructions: http://docs.cslabs.clarkson.edu/wiki/SPICE I ended with these Problems: ...
3
votes
3answers
2k views

Best way to access a Windows-XP virtual machine

I have set up a virtual machine running windows XP (as guest) on an Ubuntu 11.04/64bit machine. The virtual host is using qemu-kvm. Accessing the virtual windows using virt-manager is possible, but ...
1
vote
2answers
3k views

How do I set up Aqemu / kvm tap device?

I'm trying to use Aqemu and I'm trying to figure out how to just have the network in the virtual machine connected to a tap device on the real machine. How do I set this up? Do I need to make the tap ...
1
vote
1answer
194 views

I already have a natty-desktop-amd64.iso downloaded and on my system. How can I tell vmbuilder to use it?

I already have a natty-desktop-amd64.iso downloaded and on my system. How can I tell vmbuilder to use it? vmbuilder seems to be using wget to download debs itself. is there a way to get it to use ...
1
vote
1answer
601 views

KVM does not recognize restart call from guest OS

I am installing Windows XP directly using KVM: kvm -m 256 -hda XP.img -cdrom XP\ DISK\ IMAGE.iso -boot d -smp 1 After formatting and initial round of copying files, it remains in the screen saying ...
1
vote
2answers
2k views

Create .img file for use with KVM

How do I create a .img file or any disk image to be used with KVM?
3
votes
1answer
428 views

How can I use vmbuilder to install the dev ubuntu release?

I'd like to try some packaging for oneric and vmbuilder seems like the easiest way to install it in kvm, but when I tell vmbuilder to install oneric it says it only knows through natty. ...
0
votes
1answer
989 views

KVM: virt-install “Unsupported sound model 'ich6'”

Is it possible to add "Intel HD Audio" to a KVM VM with "virt-install" in Ubuntu 11.04? Using "kvm" could do this so I think it is only a problem of virt-install, maybe the script needs an update. On ...
4
votes
1answer
786 views

Anyone using KVM with Spice protocol?

I have a few KVM machines running in a Ubuntu 10.04 64bits host (all Windows xp Guest). I want to give a better desktop experience for the users (now they're using remote desktop to them) and run the ...
7
votes
1answer
4k views

How to configure automatic reboot after kernel panic?

Now, it's the first time I encountered a kernel panic on a system that I can only access remotely (i.e. not physical access). The kernel panic I encountered is basically the one described here, only ...
7
votes
1answer
2k views

Bridge interfaces and KVM

I have an Ubuntu server with and a VM using KVM. The plan is that the server and the VM have a static IP address. I tried to change /etc/network/interfaces combining some of the examples available to ...