Linux Kernel Virtual Machine is a virtualization system (VM)

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Unable to get folder sharing to work under KVM Virtual Machine Manager

I've created an Ubuntu VM inside my Ubuntu using Virtual Machine Manager. I'm trying to mount a host directory in guest OS but it's not working. I used the instructions provided here: ...
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Qemu and KVM error in my system

Whenever I execute virsh version or qemu version I got this error qemu: symbol lookup error: qemu: undefined symbol: rbd_aio_discard I am unable to create the virtual machine in virtual machine ...
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nova-compute libvirt x86_64 emulator Error

I was trying to install openstackin Ubuntu12.04 server. I find that Nova-compute is not getting started and the error is the below. I followed some of the suggestions in various forums, but nothing ...
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Is Flash hardware acceleration assignable to a given GPU?

On a KVM Windows guest with VGA passthrough, Flash hardware acceleration is not working, e.g. it shows a green screen for youtube videos. The GPU (AMD) is working well and has the latest drivers, ...
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can't connect to kvm rhel guest from fedora host over any port other than 22 (ssh)

I have a kvm guest running Red Hat Linux in a Fedora 19 host. Running a ruby app in the guest on port 3000. I can ping the guest, and ssh into it from the host, but I cannot access the app itself. ...
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Finding Storage pool/volume path using virsh

I have a few questions about storage pools and volumes in KVM. Is there a way to get storage volumes' paths via virsh? How do I associate a storage pool to the path it is located in? virsh ...
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20 views

VPN access kvm guests

OpenVPN is installed on my host system running kvm as virtualization and I've several guests with static/public (Bridged) and private IPs (NAT), every guest uses Samba to share some folders. how can ...
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KVM images not reading from custom location

In CentOS linux server I have a disk scenario as , A LV with vg0 in it and in that I have created a directory with intention as KVM have to read the images from this location. I have set KVM to read ...
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Virtual machine internal network - same host

If I have 2 VMs (web server + db server) on same physical host, how can they communicate? Being on the same host what speed can expect? Its CentOS KVM. What is the situation with SmartOS Zones where ...
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46 views

How do I convert my windows partition to a kvm virtual machine on Fedora?

I have a single hard drive with a windows partition and a fedora 19 partition. Is it possible to use a tool (e.g. virt-p2v) to convert the windows installation into a virtual machine on Fedora? Disk ...
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11 views

live migration and sdn: virtualbox or kvm?

I need to choose between these two virtualization technologies for my project. Central is the live migration and the integration with open vswitch. I also need good java apis to command migrations as ...
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Why is my cloned kvm VM smaller than my original vm?

The order of each VMs life was: f20-openstack.img f20-openstack-clone.img f20-openstack-preinst.img f20-openstack-postinst.img -rw-r--r--. 1 root root 878M Mar 5 13:45 ...
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How to install KVM and VMWare side by side on Fedora 20 x86_64?

I use Fedora 20 x86_64, and I have KVM installed. However, for a course assignment, I have to install VMWare (to be exact, VMWare Workstation 10). Yes, I have to use VMWare. However, (as expected ...
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26 views

Ubuntu KVM failed to set up

I'm trying to set up a VM with KVM on my Ubuntu 12.04 machine (64 bit). I followed the installation instructions to the letter at http://www.howtoforge.com/virtualization-with-kvm-on-ubuntu-12.04-lts ...
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43 views

Thin provisioning disk space in KVM

I have a couple of KVM nodes with 4xSATA drives in RAID10, which I am using as a VPS node. I have a LVM set up, and I am using SolusVM for the nodes. There's already 30 VPSes each on the nodes, so I ...
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19 views

No connectivity in virtual machine (kvm)

I have installed virtual machine using kvm. But i cant access network . My ifconfig shows the following [root@server recorder]# ifconfig br0 Link encap:Ethernet HWaddr E0:CB:4E:DD:88:CF ...
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32 views

Viable virtualization solution for home networks

lately i was thinking about a solution how it would be possible to replace all high end computers in my home with one (powerful) server, which virtualizes all the clients. Scenario My main ...
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41 views

One speaker set for two computers

In my case, i have a setup of a linux host machine and a windows virtual machine, i have a soundblaster dedicated sound card and an intergrated intel hd soundcard. I was thinking i want to use the ...
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VPN across three VPS's

I have three servers running on virtual machines. The gateway is 192.168.0.1, and the hosts are the numbers 2,3 and 4. The first host is serving a PHP script which outputs the visitor IP ...
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206 views

Copy/paste issue in Ubuntu virtual machine (QEMU-KVM) with Awesome window manager

I have Ubuntu 12.10 virtual machine running in QEMU-KVM. Copy/paste between host and vm works fine when using Unity as window manager but not while using Awesome. What is the difference between ...
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36 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), ...
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238 views

Wireless bridge on KVM virtual machine

I have a VM host (KVM) that's connected to a wireless router. I'd like the virtual guests to be in the same broadcast domain as the host; i.e, receive their IP from the router's DHCP. (=Layer 2 ...
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116 views

Why gnome-terminal does not show prompt in vnc running on a guest in kvm?

I use KVM to host vm (ubuntu). Then I started vnc4server on the vm. The content of ~/.vnc/xstartup is shown below. gnome-terminal in vnc does not show the prompt and doesn't accept any keyboard ...
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286 views

kvm cpu0 disabled perfctr wrmsr - hangs

I initially asked this question on StackOverflow, but it was marked as off-topic and said I might get help here.. so here it is ============== I am currently running Centos 6.5, and tried to follow ...
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How to access CD-ROM inside kvm guest machine?

I am using KVM in Scientific Linux 6.4 Inside that KVM again I installed Scientific Linux 6.4 as a guest. Now I want to access CD-ROM from that guest machine. In the command prompt it not showing any ...
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Implementing PCI-Passthrough with Linux-KVM on Debian

I am attempting to use PCI-Passthrough to attach an old video card (Radeon 4770) to a virtual machine. I am using Linux-KVM to run my virtual machines on a Debian Linux (Wheezy, 3.2.0-4-amd64) host. ...
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Scheme to “right click”-configure and start a new server on a KVM host

What I have: A KVM host where I host several (primarily) Linux servers with various duties. (I am aiming for a scenario where each box have its dedicated job/function, not chucking every logical ...
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58 views

Extend partition in KVM

I want to extend my qcow2 image file. We have installed a windows machine on it. Below are the steps we performed. virt-filesystems --long -h --all -a windows-7-64.qcow2 truncate -s ...
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71 views

Linux as l2tpv3 client

I'm looking for a way to get either my Ubuntu box or a KVM instance to act as an l2tpv3 client to the l2tpv3 server. It has to be l2tpv3 without IPsec. The Ubuntu version is 12.04.3 LTS. Any pointers ...
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181 views

How to set up a VM gateway/DHCP and virtual network in CentOS KVM?

Today I have a working setup where the physical host runs W2k3. It has 2 physical NIC's. It runs Vmware server and I have a ClearOS VM installed acting as a FW/DHCP/DNS for both the host and all the ...
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Unknown OS hostname and product in virt-manager

I'm using libvirt on a Fedora 19 host, running various Linux guests with QEMU and KVM hypervisors. Using the virt-manager GUI, when I look at the guest Overview screen, in the Operating System ...
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How can I write a Windows (NTFS) .img file to a partition and add it to grub?

I'm trying some crazy stuff here. First, I had a VirtualBox machine with Windows XP installed, using .vdi format. Then I exported the image to a OVA, extracted the .vmdk and converted it to a raw .img ...
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kvm debian squeeze ERROR: internal error Child process

Having issues creating virtual machines in Debian Squeeze. The host is a Dell Poweredge with Xeon processor, running Debian Squeeze - kernel 3.2.0-4-amd64 When I try to create the VM through ...
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66 views

Best practice for configuring hard drives in a virtualized environment

I want to play around with some distributed processing software. I intend to use KVM on an Ubuntu box to create 4 virtual machines and run CentOS on them. Ubuntu is installed on a 250 GB SATA drive. ...
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Is there a GUI tool or API for remote KVM management for headless machines

I like virt-manager but I have alot of headless hypervisor. I'm curious if there is a GUI tool that is libvirt based that will allow me to connect to the hypervisors and pullup/monitor/manage VM ...
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How to exit a “virsh console” connection?

Is there any special characters involved? I want to be able to open a console connection in my application and exit upon completion of a task
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137 views

Create a persistent qemu+ssh connection

I am trying to make a script that will list the VMs on my four host servers, and dump the xml for guest domains that are running. I am running the script on one host server, and using qemu+ssh to ...
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190 views

Networking Issue with libvirt (kvm)

I'm running a desktop class computer tower with Ubuntu Server 13.04 (64-bit) installed. The server is configured with libvirt, and I use virt-manager to control and configure the VMs as well as ...
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Virtual Machine stalls after migration

I have Ubuntu VMs running on an Ubuntu server Host. When moving a VM from one host to the other using virsh migrate --live some of the VMs stall out. The only way to get them back is to kill them and ...
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pulseaudio, in a KVM virtual machine (as root) and your desktop (not root) playing audio at the same time?

How do you get pulseaudio to play sound in a KVM virtual machine (running as root) and your desktop apps (not running as root) at the same time? It seems that by default, it will only play sound for ...
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How can I use a separate partition to store the VM images in KVM?

I have the following setup on my host [root@fake ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 32G 30G 785M 98% / tmpfs 12G 76K 12G ...
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Add usb device to inactive domain

I have a USB device which I want to pass on to a VM using KVM and libvirt. If the guest is running, I just create a file containing the XML-definition of the device: <hostdev mode='subsystem' ...
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380 views

Nested kvm virtualization not working

I am trying to run a Ubuntu VM on Fedora 18 host. Now, my processor supports VT, so I have kvm installed and it's working. I launched the machine (Ubuntu 12.04 LTS) and installed kvm inside it. But ...
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497 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" ...
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How to improve graphical performance of Windows 8 on KVM?

I installed Windows 8 on KVM. But its graphical performance is less than desirable. First I tried to use SPICE protocol to solve this problem, but it doesn't support Windows 8. Next I tried to use ...
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Error while creating a VM using KVM

I am trying to set up a VM on my Ubuntu 13.04 Desktop and it's giving me error when I try to start the VM. The error states: virsh # start vm1 error: Failed to start domain vm1 error: internal error ...
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631 views

How to ignore a USB device in udev

I want to pass a USB device (to be precise: a smart card reader) to a KVM virtual machine, and therefore have to prohibit that it is claimed by any driver on the host machine. I tried to write a udev ...
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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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170 views

tunneling pptp vpn and network setup for bridged kvm running win7 enterprise on linux host

I'm using a win7 provided image from work to run inside qemu-kvm (libvirt/virt-manager). The host is running Debian Wheezy. The win7 vm wants to join the company AD and has certain tools to check if ...
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oVirt requirements and other web based mgmt tools for kvm

I'm evaluating different virtualization management tools for KVM virtualization. I've a kvm ready server with 32GB ram. I'm looking for web based management tools where different people can ...