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

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Error while KVM installtion in unbuntu 14.04

I am receiving an error message when trying to install a KVM virtual machine.I have provide you the complete log message below. I managed to install KVM file successfully in ubuntu 12.04 version. ...
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6 views

Can I decrease the ipv4 transmit delays in Ubuntu 14.04 for RDP on a KVM guest running over a bridge?

I'm trying to run Windows 2008 r2 as a guest with KVM. A basic KVM setup with a bridge for Guests. When using Remote Desktop to the Windows guest, the screen redraws/updates are only fast if the mouse ...
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5 views

Need commands to fetch Guest VM OS version from Xen and KVM

I m looking for the commands that can be executed to fetch the OS Version of the VMs running on the below Hypervisors. Xen (Not the citrix Xen server, but the Xen Sever hosted on a ubuntu Machine) ...
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1answer
17 views

Compile qemu-kvm, kvm - how?

I am using ubuntu 14.04 64 bits and am trying to build kvm - here is what i did according to many messages I saw on this same topic. git clone https://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git ...
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13 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
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1answer
30 views

Interfaces not created after upgrade 13.04 to 14.04

I just upgraded my server used for KVM from 13.04 to 14.04 (with 13.10 in between). Afterwards, the various sub interfaces and bridge interfaces are missing. The configuration is still present in ...
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1answer
56 views

kvm guest network problems

I had a server running kvm that was upgraded from ubuntu 13.10 to 14.04 and since the upgrade after a couple of hours (in some cases less) the guest machines (a mix of linux and windows, using both ...
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17 views

enable / disable auto-detect x.org Needed to use kvm-switch without monitor resize trouble

I would like to be able to disable the auto-detecting of the monitor. Or at least the system would ask me permission to use auto-detect. Reason Reason when using a KVM-switch the monitor resizes to ...
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50 views

[14.04][kvm] Windows 2008 R2 SP1 Virtio 0.1-81: Becomes slow unexpectedly, CPU 100%

Ubuntu 14.04 Server kvm 1.0.3 Virtio 0.1-81 Windows 2008 R2 SP1 on guest becomes slow unexpectedly. Ubuntu 14.04 Server qemu-kvm 2.0.0+dfsg-2ubuntu1. amd64 libvirt-bin 1.2.2-0ubuntu13.1 Linux ...
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20 views

Deploy ubuntu with MAAS fails

I have a problem with the Ubuntu deploying with MAAS. I'm trying to install Ubuntu on a KVM virtual machine. The boot with pxe works, I see the login prompt during the deploying, the server connect ...
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1answer
48 views

Playing game emulators on a virtualized OS (Qemu/KVM)

I'm planning on assembling a machine for development testing and all kinds of software emulation. I already know what to choose in terms of hardware, and my initial idea is installing Ubuntu as the ...
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1answer
55 views

Hosting 12.04 guest on 14.04 server with KVM & libvirt

I've been pulling my hair out trying to get Ubuntu 12.04LTS server (64bit) working under a standard KVM/libvirt setup on Ubuntu 14.04. I can create a new virtual machine using virt-manager and run ...
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1answer
70 views

virsh snapshot-create-as gives “unable to execute QEMU command `transaction`”

I have an Ubuntu 12.04 Server that hosts several virtual machines. I want to make backups of these VM's using the snapshot mechanism. The purpose of these snapshots is to have a backup on an external ...
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58 views

Ubuntu 14.04: with bridge on wlan, no internet on kvm guests

I'm trying to be a "high-lander" sticking to KVM plus virt-manager to manage my VMs. But it's about a week I'm around trying to create a bridge that works for using with my VMs. I tried first tried ...
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30 views

Unable to migrate vm from redhat to ubuntu using virsh migrate

I'm unable to migrate the VM from Redhat to Ubuntu using the virsh migrate due to following error. Any suggestions on how to debug this issue. virsh migrate --live --verbose --persistent vm1 ...
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7 views

unable to make two ubuntu machines interact after connecting with synergy?

I have ubuntu 14.04, and synergy 1.4.12 on both machines. I was able to make them connect (was not straight forward tho). I created the same hotkey to switch to "left" machine, on both server and ...
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33 views

How to add a USB HDD to a virtual machine created using VMware Player?

I have a 2 Virtual Machines running on Virtual Machine Manager & VM Player 6, on Ubuntu Server 12.04 LTS. I have connected 2 USB HDD Drives which have been detected by Ubuntu (Host) but neither ...
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1answer
84 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: ...
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60 views

VM connected to Openvswitch can not access the external network on Ubuntu 14.04

I have a computer running Ubuntu 14.04. It has two ethernet interfaces. I've created a virtual switch and connected eth1 to it. I run VM (KVM) that connects to the openswitch bridge. From the host, I ...
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42 views

KVM not installed?

When I run virt-manager, and click on the icon to create a new virtual machine, I get an error that KVM is not installed or is not loaded. I use Ubuntu GNOME 14.04 All qemu packages are version ...
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18 views

How do I mount an external drive in a KVM virtual machine?

I have a VM running a database under virt-manager and Ubuntu 14.04. I want the db to use a drive that is external to the VM. That way I can just increase the size of the drive any time I need to. ...
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9 views

HP Proliant 460c G1 running ubuntu server

I am looking at installing Ubuntu server on some old (still running 100%) HP servers, we would like to run a hypervisor (KVM) and check if our vm's will run. Is there a version of Ubuntu that ...
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1answer
36 views

How can i make VM to fully cover the screen in KVM?

I installed Debian Wheezy in KVM using virtual machine manager. VM doesn't fully cover the screen, with large gaps in both sides of screen as seen in pictures below. How can i make VM to fully cover ...
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2answers
104 views

Can I set up MAAS and Juju on one machine?

Here is what I want to setup: MaaS on a single PC MaaS providing the host OS for 4 VMs (3 LXC + 1 KVM) Using Juju to deploy services on the 4 VMs (nodes on MaaS) How can I accomplish this?
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1answer
135 views

Ubuntu 14.04 LTS Windows 8 Guest macvtap setup

I have little experience with Ubuntu and new to KVM. I have successfully installed KVM and used virt-manager to add the first guest. I have 4 Ethernet ports on my server. For host server access and ...
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1answer
28 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
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1answer
105 views

KVM Virtual Machine Manager: Host CPU does not provide required features: aes

I am using Ubuntu 12.04 64-bit. I am using OpenStack. The service is all working, but nova service is not working. Some got error is: hardware not supported, so I changed Processor -> Configuration -> ...
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1answer
35 views

compile and install modified kernel

I have made some changes to the vmx.c file of the kernel. Now I am using make menuconfig followed by make -j 5 command to compile the modified kernel(No errors just a warning..) Now I am using ...
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1answer
25 views

How to enable virtualization on Lenovo Z500?

I have downloaded the Kernel 3.13.6 from kernel.org and installed in the system. Updated the BIOS and then enabled the virtualization in the bios settings. Now I have used the command sudo kvm-ok ...
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17 views

Creating a virtual machine with an existing vhd file via command line with command line

I have a .vhd (an ubuntu server instance) file that I'd like to run on Ubuntu Server 14.04 with bridged networking. How can I set its network interface and boot from it using only the command line?
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On startup [number] kvm: disabled by bios [duplicate]

When I start ubuntu 12.04 it says [number]kvm : disabled by bios. How can I fix it? Also there is a quick black screen flash on shutdown which states unable to run [something]. It flashes too fast so ...
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147 views

Creating an ubuntu Server VM on Ubuntu Server

I'm having a lot of trouble trying to set up a VM on Ubuntu Server. I've tried following multiple guides like this one but right now, no matter what I try, I can't create a br0 instance. Before that, ...
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2answers
256 views

KVM NVidia Passthrough

I've seen a guide or two that seems to be replicated around on the internet on setting up KVM to use passthrough for Nvidia. It seems to require 2 video cards. Is it possible to do it with 1 video ...
1
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1answer
49 views

Create a virtual machine and connect to it command line

I'm running an Ubuntu 14.04 server, and would like it to also run another 14.04 server instance in a VM on it. (I need to use two VPNs on the same machine simultaneously) I've tried using both KVM ...
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56 views

Could not ping Solaris KVM Guest from another computer

I setup Solaris Guest using KVM in Ubuntu. I don't have problem pinging host (Ubuntu) to guest (Solaris) and vice versa. Also my Solaris guest can ping other computers in my network but not the other ...
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19 views

KVM image size has changed?

We had a 180GB VM image. Inside the guest VM everything is OK and hdd size is 180G. but when we look the image size on the host it is 475MB. I am afraid that if we restart, the VM wouldn't work. I ...
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1answer
249 views

How to share a directory between ubuntu host and windows guest with kvm?

I read several posts or articles which deal with this but all give a solution for linux guest. For example : http://www.linux-kvm.org/page/9p_virtio ...
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11 views

Are there differentiating disks in KVM?

I'm currently playing with vmbuilder. It works fine and enables to get a running machine in five to seven minutes with average non-server hardware. I imagine that on a faster hardware with more ...
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155 views

Ubuntu 14.04 kvm instance has low resolution

I have a kvm guest instance of Ubuntu 14.04 running with a vga type video device. I do not have a /etc/X11/xorg.conf file, I am letting X autoconfigure the video and all devices. When X comes up, the ...
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0answers
397 views

KVM-Guest only boots single user mode

We have a Vserver Host running on Ubuntu 12.04 with KVM/QEMU and so far guests been running fine with various OS's (Ubuntu 10.04, 12.10, Debian 6,7, CentOS 5,6). After the installation of Ubuntu ...
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130 views

Packet loss between guests under kvm-qemu

Have two guests on ubuntu server 14.04 kvm-qemu. When I ping from guest-1 to guest-2: guest-1# ping 10.0.0.2 PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. 64 bytes from 10.0.0.2: icmp_req=1 ttl=128 ...
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1answer
122 views

Guest on kvm wont detect disk even after seleting virtio drivers

Recently update to Ubuntu 14.04, and now using kvm but hit a wall. I'm trying to install a win8.1 64 bits virtual machine. I follow this tutorial, https://www.youtube.com/watch?v=fMXctyhcrfs, ...
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1answer
25 views

I can't create more than one virtual machine with vmbuilder

I'm testing the creation of virtual machines with Ubuntu. The first virtual machine was created with the default settings and is called ubuntu: virsh --connect qemu:///system list --all Id Name ...
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36 views

How do I disable loading a driver for a specific device

I am running Ubuntu 13.10, attempting to setup pci pass-through for my discrete graphics card to a Windows 7 guest VM running on KVM. My processor is an AMD APU with IOMMU support, my discrete ...
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41 views

graphics error running xubu guest in KVM

I am running crunchbang and want to install xubuntu (13.10 atm) as VM using kvm. I got everything installed and updated but the display/resolution is incorrect and it makes using the VM virtually ...
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28 views

How do I run wine through Qemu?

Say im running an ARM based platform but I want to run wine for a simple non-graphically intensive application. Example: MS Office. How does one achieve this?
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52 views

Getting Sound to work on Windows 7 in a KVM on ubuntu 13.10

I rebuilt my system from scratch, and decided to install windows as a guest in KVM. It installed fine, but I cannot get sound working on any of the configs [ac97 - sb16]. I read most of the web pages ...
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1answer
414 views

KVM Virtual Machine Manager: sharing folders not working

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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1answer
254 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 ...
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28 views

HP dv9000 with just a few issues

I have an HP pavillion dv9000 series with 2x64 bit processors, nvidia drivers, but while all of those things are running fine... I could use a little help getting webcam, & cd drive recognized ...