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

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Ubuntu 14.04, dual-screen, One screen is “fuzzy”

I'm running two identical monitors, one via KVM. The monitors are identical Dell U3014's capable of running at 2560x1600. One is connected directly by a mini-display port cable, the other is connected ...
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14 views

Server Virtualisation and assigning IP-Adresses (KVM)

I'm looking to set up my Dedicated Ubuntu Server with Virtualisation, as I want to sell some Virtual Servers. I've looked into KVM and saw that it was a good way to go, as I'm only going to set up 3/4 ...
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1answer
53 views

MaaS KVM node - Failed Deployment - df: Warning: cannot read table of mounted file systems

I am able to commission the kvm node, but when I try to deploy it fails. Last output from failed nodes cloud-init-output.log is: df: Warning: cannot read table of mounted file systems: No such file ...
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99 views

Install Virtio Drivers in Ubuntu 14,04

I am having a bit of difficulty trying to install Virtio Drivers on ubuntu. I have a Physical host with Proxmox, and i have one virtual host that is running Ubuntu 14.04. The virtual host was ...
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1answer
333 views

KVM / QEMU / VMM : local host not connected

I am using Ubuntu 14.04. I have installed kvm. When I try to open virtual machine, I get this error: local host not connected Unable to connect to libvirt. Verify that: - The 'libvirt-bin' package ...
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23 views

KMV hardware pass through problems

I'm trying to get hardware pass through to work in Ubuntu server 15.10 following this guide. But when it gets to the part involving kernel modules my system wont boot. It seems like I don't have the ...
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1answer
72 views

Will Ubuntu+KVM support an old Intel QuadCore Q8300 + Asus P5QPL

I am trying to convert this machine into a mini VM server The processor is Intel Q8300 QuadCore which IFAIK supports virtualization. The motherboard is Asus P5QPL-AM. It has Intel G41 chipset, X4500 ...
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75 views

unsupported configuration: hda-duplex not supported in this QEMU binary

I am trying to create a virtual machine using virtual machine manager.(KVM) following this tutorial . I have reached up to step 5. Then I clicked finish button. And I saw this error: I tried ...
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1answer
182 views

ubuntu-kvm-builder failing with “/dev/mapper/loop0p1 does not exist”

Using ubuntu 15.10, I'm simply trying to create a VM using kvm and followed some instructions on the web, but no success. It seems to fail when running mkfs.ext4 with this error: The file /dev/mapper/...
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2answers
429 views

Gracefully shut down QEMU/KVM on host shutdown

I start a QEMU/KVM Ubuntu 15.10 virtual machine on boot and let it run in the background (as webserver). What happens now if I shut down the host (also 15.10)? Will it kill the VM and result in a ...
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2answers
364 views

Ubuntu Server KVM, Passthrough PCI Device

I am trying to setup a VM Server on my old desktop hardware, the specs are: System MB: gigabyte 970A-D3P CPU: AMD 8320 GPU to pass through: Sapphire HD7870 Ghz Edition OS: Ubuntu Server 14.04.2 ...
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83 views

Ubuntu 15.10 not detecting display through KVM Switch

My system worked fine with 14.04 and then I had to upgrade to 15.10. It's a dual boot Ubuntu 15.10/Windows 10 (not by choice). I also have a KVM switch to make it more complicated. Graphics is an on-...
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0answers
35 views

Virtualbox and bridge interfaces

I've been playing a little with KVM and the need to configure the bridge and tap interfaces to give access to my VMs. Now with virtualbox I don't understand why I don't see any interfaces (bridge/tap) ...
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0answers
77 views

Higher than 1440p in Gnome Boxes with Spice?

Is it possible to increase the maximum resolution in Gnome Boxes(QEMU KVM) to 4K? Currently it is limited to 1440p. I'm using the Spice drivers. Host: Ubuntu 15.10 w/ GNOME Guest: Windows Server ...
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1answer
128 views

Dual Monitor Resolution Problem with KVM Switch

Trying to setup a dual monitor environment with one monitor running through a KVM Switch. The first monitor gets detected just fine at 1280x960 (no KVM switch) but the other one (running through the ...
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0answers
76 views

Configuring Home Network DNS/DHCP Server

To start off, I don't have a whole lot of knowledge of networking, which is why I'm trying to learn by example. I recently just built a new computer to toy around with new projects. This machine has ...
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1answer
201 views

Trying to share a folder with host and guest in Virt - manager / KVM

I am trying to share a folder in Virt - manager in my Arch Linux distribution using Samba to my Windows 10 guest. I have tried connecting via ip "\10.0.2.2" as recommended in an outdated guide about ...
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44 views

Kvm golden image creation at environment level

I have 6 virtual machines running on kvm. I want to create golden image of all the VMs simultaneously without disturbing the softwares installed in my Vms. How can it be done?Any suggestions?
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27 views

VM Manager is getting error during installation Win7

I would like to install Windows 7 through Virtual Machine Manager, I followed this tutorial for Ubuntu --> http://www.howtogeek.com/117635/how-to-install-kvm-and-create-virtual-machines-on-ubuntu/ ...
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1answer
369 views

permission error in virtual machine manager

i am trying to install win8.1 as a guest on my Ubuntu 14.04 using kvm and virt manager. when i choose path of ISO file in virt manager, it prompt this error: "The emulator may not have search ...
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1answer
1k views

libvirt: Configure guest to share host audio

For the past days I've been trying to get a x64 Windows 8.1 VM's audio mixed with the host audio with mixed success. The solution which kind of works for me right now is using Spice for audio, and ...
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0answers
33 views

Why doesn't uvt-kvm --run-script-once work when run on a 14.04 host building a more recent guest?

I have an Ubuntu 14.04 virtual host, and I'm building guests on it with uvt-kvm. I have a small script I want them to run on first start. The command line looks something like this: uvt-kvm create --...
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2answers
871 views

Blacklist a Nvidia gpu for qemu/kvm passthrough

I am trying to run Windows in a virtual machine while giving the VM a direct passthrough to the GPU for better performance. I have an integrated intel GPU (I will use this one for the host) and a ...
0
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1answer
180 views

MaaS server with local kvm - How to bridge to dhcp interface

I have a MaaS server, it has two network interfaces. One external eth0, and one for the internal network eth1(Nodes network). eth1 is where the DNS and dhcp server managed interface. I want a mix of ...
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1answer
185 views

QEMU VM reboots host upon running

I am trying to run virt-install on Ubuntu Server 14.04.3 in order to install a QEMU VM from a qcow2 image. Running virt-install, I get no errors. $ virt-install ... starting install... ... virsh --...
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124 views

KVM assign static ip address to guest host

1) Having a KVM host with one NIC card eth0. Created a bridge and have following configured /etc/networks/interfaces. Note that bridte br0 is created and has eth0 as bridge ports iface br0 inet ...
2
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1answer
739 views

Ubuntu 15 network with bond, VLAN, bridge

I am posting this question with the reply because I already find the answer after some searches and I think it could benefit other people since I didn't find easy to solve this on Ubuntu 15. Note 1: ...
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1answer
250 views

Installing ubuntu 14.4.3 server on KVM without internet

I was trying to install ubuntu server 14.04.3 as a guest on KVM as referred in this link I made sure that the guest server doesn't have network. Following command used for installation: sudo virt-...
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0answers
25 views

VGA Passtrough with same IDs

i try to bind my R9 290 to the vfio-pci driver for VGA Passtrough. My System have two GPUs R9 290 and R9 390. Now i have the problem, that both GPUs have the same Vender and Device ID. So I cant bind ...
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0answers
246 views

nova hypervisor-list returns empty

I have installed Liberty on 3 node Ubuntu. After configuration of Compute node I could see hypervisor list is empty. Please find the below details as per my observation and suggest me for any ...
0
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1answer
61 views

kvm/libvirt networking overview

my vm is centos 4.8 and it came from a physical server. All is great except I can't seem to get bridged networking working. The default user mode networking is fine, from the guest I can reach the ...
0
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1answer
71 views

KVM remote-viewer: Force certain keys to stay in host OS

I am using Ubuntu 14.04, running a Windows 7 guest VM via QEMU/KVM. It's all working fine, I interact with it via Spice using remote-viewer. I use Compiz to place the window automatically on the top ...
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0answers
179 views

Problem on multiple network interfaces on a QEMU VM

I'm trying to create a VM with 2 interfaces. I used a linux bridge and Tun/Tap devices to do that. This is my setups: | HOST | Virtual Machine outside ...
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1answer
83 views

KVM VM not working

Im getting this error when creating a VM in virt manager using KVM. (Unable to complete install: 'internal error: process exited while connecting to monitor: 2015-12-02T23:01:04.368439Z qemu-system-...
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1answer
36 views

Extend encrypted, large volume on VM

So like the topic says I am trying to resize (extend) one of my VMs using encrypted LVM. What I've done so far Partitioned and formatted the new drive (using parted, ext4) Added it and extended ...
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0answers
258 views

How to setup KVM Windows 7 VM bridged networking?

I am trying to get bridged networking working on a Windows 7 VM guest hosted in KVM and Ubuntu 15.10. The Ubuntu host is an ESXi 5.5 VM (nested). I then followed this guide to install to configure ...
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96 views

Kubuntu HDMI Switch

So I have an HDMI switch. The thing is brilliant. Anyways. I have a computer with Kubuntu and when I switch to it on the switch it works great and dandy... but when I switch out it doesn't switch back....
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73 views

Delete nbd devices used to mount kvm image

how can i delete the /dev/nbd* device blocks? I need to delete the devices and then recreate them with modprobe nbd max_part=8 because (I don't know why) my script fail if the device was used.. ...
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0answers
30 views

Bridge connection goes to host not guest when accessesed remotely

I have a bridge device br0 on a second nic eth1 intended to give a KVM guest a public IP. I set up the guest to use the bridge and it seems to have full internet access. I can access the guest over ...
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0answers
358 views

Unbind GPU from Radeon drivers without restarting lightdm

I use a bash script to rebind my GPU for KVM PCI passthrough, but it requires me to stop lightdm to unbind/bind it from the radeon drivers. If I do not stop lightdm, the entire system hangs after a ...
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0answers
13 views

Migrating from broken motherboard

I have a 14.04 LTS Server that I use for virtualisation with KVM. The server has two hard drives with RAID 1 using mdadm (pretty standard as set with the Ubuntu installer). Yesterday, the motherboard ...
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0answers
233 views

ubuntu 14.04.3 hang during install in kvm under ubuntu 14.04.3

Last Thursday I was trying to setup a couple of virtual machines on my Supermicro server with X10DRL-i chaises and Intel(R) Xeon(R) CPU E5-2609 v3 CPU. aim@itis-lan-1:~$ cat /proc/cpuinfo | grep ...
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0answers
102 views

How to use vmbuilder to create a ubuntu kvm guest with UEFI firmware?

I've found python-vm-builder is a very easy way to create a ubuntu kvm guest. But how do I create a UEFI firmware? I've already install ovmf package, and I can select UEFI firmware in virt-manager. ...
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1answer
127 views

KVM Network Setup

This is what I want to achieve: KVM Host: Obtain IP via DHCP ssh connect via hostname (VM-host hostname) Ubuntu Server 14.04 LTS Sitting in a LAN, not reachable via internet Has one physical ...
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0answers
110 views

Ubuntu 15.04 KVM VM Windows 7 Update?

I am beginning my journey with Linux and Ubuntu. I've created a Windows 7 VM including the latest virtio-win driver installed for NIC (configured NAT), storage, and balloon. My Windows 7 VM can get ...
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0answers
19 views

Convert Gnome Disks image to Qemu/KVM

I made a backup of my SSD using Gnome disks and I want to run it in a virtual machine. How can I run this using Qemu/KVM? If I have to convert the image before hand how do I do that?
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1answer
86 views

Snappy on QEMU KVM fails to boot

Trying to load snappy in qemu kvm on my Celeron 1307U running 32-bit Ubuntu 14.04 desktop OS, I run: $ kvm-ok INFO: /dev/kvm exists KVM acceleration can be used $ wget http://releases.ubuntu.com/15....
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1answer
113 views

Where do I log bugs and ask for help for libguestfs on ubuntu?

I'd like t o know where to get help using libguestfs on ubuntu. The libguestfs project page is hosted by redhat. I'm trying to use guestfish on a qemu VM. I can initiate the CLI console but ...
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0answers
34 views

Why does the truncate command on Ubuntu creates disks bigger than normal qcow2 files?

When I use truncate to create a virtual disk (to be used by virt-manager VMs), the result is as big as the setting I set (e.g., 50 GB). But normally virtual disks (e.g., qcow2 files) don't displace ...
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22 views

How do I manage partitions on an Ubuntu VM of an Ubuntu host?

I am running virt-manager on Ubuntu. I have a qcow2 file that I use to create VMs. The VMs work. When I log into the VM, I see no evidence the hard disk has more than 16 GB. When I log into the VM,...