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

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KVM QEMU running desktop environment

Is it possible to install KVM QEMU as a bare metal system and then run a desktop environment distro like Ubuntu Gnome as a virtual machine from a USB flash drive? I like to create a portable system ...
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19 views

Open NAT Port on Libvirt Virtual Machine

I am currently running a Xen Hypervisor underneath Ubuntu 14.04 Desktop. On the host machine I am running a guest VM for Windows 8. From what I understand, In order to be able to receive incoming ...
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12 views

Can only connect to KVM linux guest from host

If I ssh into my hypervisor/host (64bit Ubuntu 14.04.2) I can connect to a guest KVM. But I cannot connect to the guest from my workstation in the same subnet as the host. I have a bridge but even ...
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13 views

KVM Bridge DHCP - Connection on Host drops - Same IP address for br0 and eth0

I'm trying to create a bridge for a vm in Ubuntu 14.04. My original /etc/network/interfaces file looked like: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp And after modifying it, ...
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What is the cloud image default login?

I downloaded ubuntu-14.04-server-cloudimg-amd64-disk1.img and create a VM from it using virsh. It boots up fine and I get its IP address except that it looks for a configuration server. However it ...
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7 views

Using a Virtualbox qcow VM in kvm Virtual Machine Manager

I am able to run a qcow disk image on Ubuntu 14, by issuing the command line kvm -m 512 -usbdevice table -hda MyVM.qcow The qcow VMs were created with VirtualBox. However, if I launch Virtual ...
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1answer
23 views

How can i access my ubuntu server (with GUI) on another computer

How can i access my ubuntu server (with GUI) on another computer? I have ubuntu server on my server but I just installed ubuntu desktop to so I have a GUI to use. How can i use this GUI from my ...
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7 views

Virt-manager vga passthrough windows 8.1 BSOD

Environment: Ubuntu 15.04 with current packages. HD4600 for host, 980ti blacklisted and connected to 2nd screen. Windows installed without passthrough, later added PCI pass in virt-manager, ...
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15 views

KVM: Shared folder with windows guest (w/o samba)

I installed KVM on my ubuntu 14.10 machine and created a windows guest using virt-manager. Is there any possibility to create shared folders which can be read/written simultaneously from the host and ...
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1answer
25 views

libvirt kvm hidden state fail to validate

Ubuntu 15.04 Fresh new installation so all packages are up to date. Trying to edit libvirt xml file. Using $ sudo EDITOR=gedit virsh edit win81 Added <kvm> <hidden state='on'/> ...
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1answer
31 views

Error building a VM

My system: #uname -a Linux hostname 3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux I am trying build a VM ( ...
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9 views

How to change the KVM scheduling option after an experiment which disable some physical CPU?

I have experienced a problem with KVM during an experiment in which I have disabled some physical CPUs, which are subsequently reactivated. The problem is that after the restart of the CPUs, the ...
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8 views

pci-passthru in Ubuntu KVM 14.04.2 on ppc64el

I'm working on Ubuntu 14.04.2 for ppc64. Is pci passthrough work on this version? We're using Mellanox nics. pci-assign: echo "0006:01:00.0" > /sys/bus/pci/drivers/pci-stub/bind ...
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27 views

I have an OpenWRT VM connected to the WAN, how do I connect client VMs to the OpenWRT LAN using it as a gateway?

I'm trying to setup a lab in KVM on my Ubuntu Linux machine. My goal is to create a test lab in which I can test the configuration of my physical router for my home network, before moving it into ...
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17 views

Why arn't LXC instances registered in MAAS DNS?

Using the machine tab of the juju-gui charm, I can add LXC instances without deployed charms on them. I'm not confident enough with the idea, that on a high abstract level of a machine, there is any ...
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26 views

pulseaudio: Failed to initialize PA contextaudio: Could not init `pa' audio driver

Android Emulator is consuming 100% CPU on my system. If I use -no-audio flag then I don't get the error mentioned below and everything runs fine. Any idea why I get the pulseaudio error. pulseaudio: ...
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14 views

error setting up kvm bridging in 15.04

I'm trying to set up kvm bridging following the instructions at https://help.ubuntu.com/community/KVM/Networking#Creating_a_network_bridge_on_the_host but the internet will not connect at all after ...
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42 views

Multi-headed Gaming VM Host on Ubuntu Server

I am trying to build a multi-headed gaming system based on an Ubuntu Server 15.04 host with either Windows or Ubuntu/Linux Mint guests. I have gotten the systems nearly working with Linux Mint/Ubuntu ...
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17 views

virt-manager not saving connections

The Virtual Machine Manager (virt-manager) doesn't save the remote connections. I remove the local connection and add my remote connections and close the application and reopen it and the remote ...
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2answers
34 views

Android program execution in studio not detecting installed KVM

I have installed KVM for virtualization for AVD in studio, after running the following command: kvm-ok The output is: INFO: /dev/kvm exists KVM acceleration can be used So, by all this i can ...
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38 views

Manual for building a virtual machine with kvm

Using this manual I want to build a VM. However, the manual seems rather outdated: It talks about using Hardy on i386 architecture (I'm running Vivid on an x86_64). Also, ubuntu-vm-builder is no more ...
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64 views

How enable x86 android emulator without KVM

I am running Ubuntu 14.04 and my system does not support KVM . I want to use x86 emulator for android in my system. But it tells KVM should be installed for running x-86 emulator. Currently I am using ...
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1answer
28 views

Setting up bridged networking with KVM

I'm trying to install KVM. I've done the installation and I'm now following the second part of the guide to get bridged networking to work. However, I'm stuck at the part where I need to modify the ...
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34 views

graceful shutdown of libvirt virtual machines on host shutdown

I have a Windows 8 installation on a KVM virtual machine, runing on my Ubuntu 15.04 host. When I issue the shutdown option in virt-manager, or virsh shutdown windows, the virtual machine cleanly shuts ...
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1answer
64 views

Unbind Radeon > hand over to VFIO-PCI

i have two Radeon GPUs (AMD R9 290 and AMD HD7870) i want to unbind the R9 290 from the radeon driver and hand over it to QEMUs VFIO-PCI driver. I'm using these commands: echo 0000:06:00.0 > ...
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2answers
64 views

Error installing Ubuntu 14.04 in KVM

I am new to Linux world so please do not be very harsh with me. I have VSphere in which I installed Centos7. Inside it, I want to install Ubuntu Trusty Thar using Virtual Manager. I created a virtual ...
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22 views

Unable to connect to internet from iOS running in a VM

I basically followed this tutorial entirely to run Mac OS (iPC_OSx86_10.5.6) on Ubuntu 14.04 using qemu: http://nnucomputerwh...-with-qemu.html The only difference in execution was this: Ethernet ...
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31 views

KVM : Connect USB PS3 Eye Webcam to Virtual Machine

General Question: What keeps a USB device from registering correctly in a KVM virtual machine? Specific: The PS3 Eye (ID 1415:2000 Nam Tai E&E Products Limited or OmniVision Technologies, Inc ...
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41 views

Can I create a kvm inside an lxc?

I want to create a kvm inside an lxc container, but when I try it I get "Permission denied": $ qemu-system-x86_64 -enable-kvm -m 768 -localtime -nographic -net user -net nic,model=virtio -drive ...
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1answer
75 views

How to boot from a live USB stick in a virtual machine

I've got a USB stick loaded with a live installation of Ubuntu for testing purposes. When I want to use it, I generally reboot to boot into the live USB installation. I'd like to know what the best ...
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30 views

The best option to virtualize a Windows server within Ubuntu?

I have a dedicated box which is currently running Ubuntu server 14.04 LTS (only running CLI). I'd like to virtualize a windows server to host game servers on it, because the Windows version of that ...
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62 views

CPU acceleration status: KVM is not installed on this machine (/dev/kvm is missing)

am getting this error every time i run an android app and the solution u guys have given is to change bios settings.Am a beginner please someone tell me how to change bios setting to get through this ...
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1answer
126 views

KVM Network Bridge to assign Static IP

I installed Ubuntu server 14.04. and assigned static IP to it... then installed KVM and Virtual machine manager... then created a test virtual machine and it worked fine also with local IP address ...
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1answer
95 views

Minimal OS for KVM

While there are minimal OS (CoreOS, Ubuntu Core etc) for container hypervisors, I would like to know if there is a minimal OS for KVM too. By a minimal OS for KVM I mean an OS which can be installed ...
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1answer
30 views

Connect kernel image (bzImage) running on qemu to network

I have a kernel 3.2.0 bzImage compiled which I am running on a qemu emulator, now I want to download linux headers to the kernel image so I can compile modules within it but I am unable to connect to ...
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1answer
34 views

KVM installation & Prerequisite

Before Installation of KVM we have to check our processor support visualization or not and we run a command i.e: egrep -c '(vmx|svm)' /proc/cpuinfo Which gives output 0/1/2/3/4 depends on processor ...
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0answers
20 views

BIND configured, DNS configured. No joy!

I have a GoDaddy domain, I've adding host names (ns1, ns2 of the domain through GD), I've pointed the name servers to my VPS server IP. So we are ok so far, great. I've resorted to install VestaCP on ...
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0answers
56 views

QEMU-KVM with VLANS and no bridges

Please be gentle, I'm both a novice Ubuntu user and novice networking guy. I'm trying to put together a virtual server to support a couple of telephony applications at my office. Both applications ...
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1answer
35 views

Solaris Guest VM on Ubuntu 14.04 KVM Setup, unable to get DHCP IP nor able to reach network

I have a solaris VM running on Ubuntu 14.04 LTS KVM. I'm using bridged networking. VM is unable to get IP address, on sending DHCP request i'm able to see requests going through bridge br0 and replies ...
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55 views

Ubuntu 15.04, Intel on host and Nvidia detecated to guest OS on one monitor?

With VT-d and KVM, would it be possible to have the Host OS use the embeded Intel graphics and use the Nvidia GTX870M on the guest (Win8.1x64) on the VM on the same laptop monitor? So, in theory I ...
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0answers
23 views

How to install and use php-virt-control?

I download php-virt-control 0.0.3 from http://www.php-virt-control.org/downloads.html and want to install it on my Ubuntu 12.04. And I use the following instructions to install it: ./configure make ...
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1answer
161 views

Can't access internet in KVM virtual machine running RHEL [closed]

I have the VM running on 14.04. When I checked for network connections on 14.04 it's available. But, the network connections are unavailable for RHEL6.5 running on my VM. I executed iwconfig to view ...
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92 views

QEMU/KVM Physical Hard Drive

i need help to write a guest system (QEMU/KVM) on a physical disk. Actually i use a IMG File to installing my guest system with this command in my script: -drive ...
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0answers
37 views

IOGear gcs72u Keyboard/Mouse Unresponive After A While - Ubuntu 14.04

I have a kvm setup: 1 Computer with Ubuntu and another with windows 8. The problem is after a number of switches (Between 5 - 10 back and forth) the mouse and keyboard stop moving for my ubuntu ...
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13 views

My linux is not being displayed in the grub

I installed and built my linux kernel following the instructions given in http://kernelnewbies.org/KernelBuild, but my newly installed kernel is not displayed in the grub and I am getting a message ...
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58 views

PPA Pinning, trying to install qemu with glusterfs packages

I need to have glusterfs enabled qemu, however default repository qemu is not built with glusterfs support. I have found a ppa & added it, I made the pinning in apt preferences, however even when ...
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74 views

vmbuilder won't build “trusty” (14.04 LTS)

I can use this command to create a working VM running the "precise" (12.04 LTS) Ubuntu release: vmbuilder kvm ubuntu -v --suite=precise \ --libvirt=qemu:///system --arch=amd64 \ --cpus=2 ...
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149 views

kvm bridge dropping packets

Periodically one or more of the guests lose network connectivity. We are getting packet loss only in vms. Setup: We're running 3 KVM guests, all Ubuntu 12.04 LTS using bridged networking. OS on ...
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62 views

dns problem in guest after host connection to vpn

I configured linux guest in kvm runing on ubuntu14.04 host. It runs without any problem and has no issues with DNS. After connecting host to VPN (OpenVPN), guest is not resolving anything from DNS ...
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48 views

KVM guest can not access host using CIFS

I have a situation with a guest running on Ubuntu KVM than can't access SAMBA shares on the same host where guest is running. I would like to use samba for file sharing between host and guests. Guest ...