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

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Openvswitch networking

I made a VM using libvirt. I am trying to connect VM to the OVS bridge. I named VM as "ubuntu" and OVS bridge as "ovs-br0". Result of ovs-vsctl show is as follows: ovs ports and interfaces Here, I ...
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1answer
4 views

virt-manager process continues running after closing all of its windows, what should I do?

I have installed qemu, kvm, and virt-manager, though I have noticed that after closing all of the virt-manager windows that there is still a virt-manager process running which originally appeared to ...
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0answers
29 views

Can someone with root access enter in a LXD container and see its contents?

If I have a running LXD container, can someone enter into the mount point and see/access contents of it? I'm seeking for a method for virtualization that prevents this, KVM could be a good choice, ...
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1answer
26 views

Changing Network Adapter in KVM

I'm building a server to be deployed on a KVM host in the near future. I'm building the machine on my personal laptop in KVM using the virt-manager GUI for KVM. To begin with I kept most of the ...
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37 views

Ubuntu 14.04 GPU passthrough problem with IOMMU

i have a problem with my gpu passthrough on ubuntu 14.04, i checked my hard ware and my cpu is i7-2600 which supports VT-x in kvm and i try to passthrough my GTX 960. i did everything exactly as in ...
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1answer
56 views

keep memory usage low Ubuntu 16.04 Server guest VM

I have an Host Machine running KVM+QEMU and multiple guests. All Guests are running Ubuntu 16.04 (virtual machine installation). My current problem is, that the host memory consumption (via htop) is ...
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7 views

What are the minimum CPU specifications to run containers?

Apologies if this has been asked before, but what are the minimum CPU specifications to be able to use LXC (or LXD) on 16.04? Can my CPU do so? When I run sudo lshw -C cpu | grep product I get ...
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15 views

How to install KVM-QEMU on my ubunt?

I am having hard time to set up KVM. I installed virtual machine manager for QEMU-KVM and I am trying to run it but when I do the network setting, my host machine disconnected of the internet. I am ...
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42 views

Ubuntu 14 KVM host, Ubuntu 16 guest sound battle

I am attempting to get audio fixed on my machine. I am not sure exactly what caused the issue but I now have a battle. I can't get the guest and host sound to work at the same time. The host system ...
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2answers
36 views

CVE-2016-3710 mitigation in Ubuntu 15.04

I have a box running Ubuntu 15.04 for KVM virtualization purposes. As I see, it has run out of support since 04.02.2016. Does it means there would be no official packet updates for mitigating ...
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1answer
165 views

installing and using android studio with virt on ubuntu 16.04

It will be better if there's a step by step installation for android studio and qemu vm. Cause i'm going through hell trying to fix a lot of ish here. Tried umake android 'android-ndk' That's using ...
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26 views

Suspend virtual machines on shutdown (Ubuntu 16.04)

I would like to save the state of the kvm vms when the host is shutting down. I think i found a way to do that, but at the moment it does not work correctly. In /etc/default/libvirt-guests i set ...
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1answer
86 views

Network Bridge inside VM for LXD

I use ubuntu 16.04 in a kvm virtual machine. For lxd containers I try to make a network bridge, so the containers are available in our local network. The interface file looks like this: auto eth0 ...
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0answers
24 views

How to insert post-up route parameters in /etc/network/interfaces from automated install?

My problem is as follows : I want to automate the installation of kvm virtual ubuntu 16.04 server in proxmox at generating the right customized iso or the right pxe install and at rebooting I want ...
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1answer
59 views

xrdp+xfce to install virtual machines in KVM - keyboard does not work

I recently installed Ubuntu 16.04 on my HP DL360. This is my test server for my virtulisation platform for testing. Thus I configured xrdp+xfce for remote access from my windows laptop. So far so ...
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1answer
63 views

Ubuntu KVM Server Won't Create SR-IOV Virtual Interfaces

I'm working on a Ubuntu KVM server. It's Ubuntu 14.04 LTS with kernel 3.19. The motherboard is the Gigabyte ga-990fxa-ud5 r5 with bios ver. 3. I have qeum/kvm 2.2 installed. I have IOMMU on in the ...
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1answer
47 views

Issues with QEMU GPU passthrough on ubuntu 14.04 LTS

I am following a tutorial on how to run a VM that can use my GPU and I have run into a problem. Here are links to the tutorials https://www.youtube.com/watch?v=w-hOr44oBAI ...
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0answers
266 views

Can not install kvm on ubuntu 16.04 LTS

I recently installed Ubuntu 16.04 LTS on my laptop. when I tried installing kvm with **kvm-ok INFO: /dev/kvm exists KVM acceleration can be used** and when I tried installing **sudo apt-get ...
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1answer
43 views

Why can't I see a QXL device in my windows 10 kvm guest

I've been following the instructions here: http://www.spice-space.org/page/WinQXL To try and install the QXL driver on a windows 10 guest on an ubuntu machine with KVM. The instructions mention that ...
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0answers
21 views

Error while creating KVM network interface

I am trying to configure a new network interface in the Virtual Machine Manager for the KVM platform. Creating the network interface fails with following error: I am copying the error also ...
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2answers
46 views

How to safely reconfigure networking on a hosted server?

I have Ubuntu Xenial installed on a server hosted in a data centre. I have SSH access only - no iLO card. Server has a single ethernet connection. I am setting this up as a KVM hypervisor. For ...
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19 views

nVidia 8800 GTX - GPU Passtrough

Is it possible to get nVidia 8800GTX to QEMU VM? I have CPU and Motherboard with VT-d support and two GPU. One (main) is some ASPEED GPU, other 8800GTX. I look through possible guides with no luck. ...
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29 views

How can i migrate a KVM virtual machine from an ubuntu server 12.04 to a fresh install of ubuntu server 16.04?

I have recently installed a fresh copy of ubuntu server 16.04 on a separate partition on my harddisk. My headless server is still running 12.04 as well with several services in virtual machines (e.g. ...
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1answer
24 views

Setting up hard drive in QEMU+KVM?

I'm running Ubuntu 16.04 LTS and I am using QEMU+KVM+OVMF for a Windows VM. Is there a way to mount physical hard drives to the VM only without using a container, as well as keep the data that is ...
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112 views

how to setup lxd and kvm with 16.04

Morning all, As i have been seeing a lot of posts about LXD, FAN, and Docker for 16.04 I am left still with some questions. In a brand new 16.04 LTS environment for two machines. I want to be able ...
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0answers
23 views

Does anyone have experience with virgil3d?

I checked out the git page for the project, and the website is just a github.io page linking to repository and #virgil3d on freenode. I hopped on freenode and no one has used it yet. It appears only ...
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1answer
145 views

KVM + Xenial Server. libvirt-bin won't configure

I just (foolishly) completed the upgrade from 14.04.4 to 16.04. Apparently there's a bug due to the introduction of systemd that breaks libvirt... or I've broken aptitude. Is there a workaround or fix ...
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0answers
36 views

TPM 1.2 pass through to a Win10 Guest

I spun up and Win10 image I need for my work on my 16.04 LTS Desktop and this image requires access to a TPM device. Now, I've added a TPM pass through to the Guest via VM but the VM won't spin up. ...
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0answers
18 views

kvm installation failed with errors

I was trying to install KVM, but I am getting the following errors: $ sudo apt-get -f install qemu-kvm Reading package lists... Done Building dependency tree Reading state information... Done ...
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1answer
12 views

KVM size limit on total number of machines

There's an upper limit on the total amount of disk space that I can assign to my VM's in KVM. Although my total partition has 200 gb, I'm not able to assign more than 20 gb to my machines - and this ...
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0answers
23 views

virt-manager: “Storage parameter error: directory is not managed on the remote host” when importing an existing image from a mounted drive

A server I manage remotely has a KVM/QEMU image stored on a non-os, mounted drive /mnt/drive. When I use virt-manager to import the disk image, I get the following error: Storage parameter error. ...
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0answers
14 views

How can I use the same monitor mode on two different systems?

I have two Ubuntu installations: my workstation runs 14.04, my notebook runs 16.06. A montior is connected to both system through a KVM switch. Through xrandr I added display modes using same ...
0
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1answer
38 views

Building KVM images

What is the best way to build Ubuntu 14.04 and 16.04 images for KVM? Until now, I have been using vmbuilder for Ubuntu 12.04 LTS, but it seems it is no longer supported.
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30 views

installing KVM on my guest OS lubuntu

I'm working on installation of KVM on my guest OS which is lubuntu 14.04 LTS. My host OS is CentOS 6.6. My machine hardware specifications are: Intel CPU CORE i5, 6 GB RAM and no graphical card. ...
1
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1answer
112 views

Xubuntu save multi monitor config

I've a multi-monitor-setup with 2 screens (3 with the notebook T460s itself) on xubuntu 16.04 at a DP KVM-Switch. The notebook is connected via the Dock-3 Docking Station over 2 DP-Ports. Every time ...
0
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1answer
14 views

Unpacking and configuring kvm components

In this guide : http://www.linux-kvm.org/page/RunningKVM It says "If you are using a recent kernel (2.6.25+) with kvm modules included, boot into it" What does it mean boot into the kernal?
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37 views

KVM installation problem

I'm trying to install KVM for avd of android studio and I ran this command: sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils ia32-libs-multiarch But on running it gives me ...
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0answers
27 views

Use Wake on lan in KVM?

I use KVM for virtualisation together with Virtual Machines. This works for the most part, but now I am running into an problem. I want to start a VM (which is turned off) with WOL. This does not work ...
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0answers
63 views

No console login prompt in Xenial VM on KVM host

I just installed a fresh VM using Xenial beta mini.iso installation like I do for any Ubuntu based VM on my KVM based virtualisation host, but this VM doesn't show console login prompt on (KVM) VNC ...
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0answers
17 views

Qemu Crash: Assertion `s->csw.sig == cpu_to_le32(0x53425355)'

I am running qemu on centos6.2 host OS. I am trying to launch BSD guest os. While launching this,I am attaching an extra USB disk to qemu. Recently, I have started observing qemu crash due to an ...
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0answers
80 views

KVM /QEMU Error : Unable to connect to libvirt

I am using KVM from some time on Ubuntu 14.04 LTS. I also wanted to tried Xen as a hypervisor on the same system i am using KVM.So i tried to install it. But it didn't properly installed giving me ...
2
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1answer
77 views

Landscape Dedicated Server 15.11: Virtual Machines registering as computers

After upgrading LDS from 15.01 to 15.11, my virtual-machine licensed KVM instances are showing up as registered computers instead of virtual machines. When I try to re-register the machine it also ...
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0answers
75 views

GLib-WARNING **: /build/glib2.0-MuyBSS/glib2.0-2.46.2/./glib/gmem.c:482: custom memory allocation vtable not supported

I am using Ubuntu version 15.10 and I have installed qemu version 2.3.0 on it. When I try to run the following command: qemu-system-x86_64 -enable-kvm It always gives the Glib error and doesn't ...
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0answers
12 views

Virtual Bridge configuration on KVM and list of internet connectivity

I have configured a virtual bridge br1 on KVM as follows: ovs-vsctl add-br br1 ovs-vsctl add-port br1 eth0 then I reset eth0 settings as: ifconfig eth0 0 dhclient br1 This assigns br1 the same ...
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0answers
18 views

MaaS not finding vm disks during commissoning

I have seen in previos versions where bugs were filed about using kvm guests leaves the disk section empty but I am unable to figure out what to change to allow it to find the disks. I am needing to ...
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0answers
38 views

Why does the system freeze when mounting disk images

Recently I tried to mount an ISO disk image to use with KVM. Immediately the system froze (mouse stopped, time stopped, music skipped). I tried mounting it with Disk Image Mounter and from the ...
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0answers
26 views

Windows 7 network issue in KVM

I'm having one UCS server with Ubuntu 14.04.1 LTS. In that I installed KVM Hypervisor. After that I deployed one Windows 7 32 bit and 64 bit VMs, but I am not able to access the network by using one ...
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0answers
26 views

Added additional storage - now KVM VMs won't start or setup

I added 2TB of storage as /storage - this is from /dev/sdb1. One system I have has 2 VMs on it, when I try to start these, I get the following error: error: internal error: process exited while ...
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0answers
10 views

kvm lun backup and rollback procedure

I have the LUN number and I want to attach the LUN1 to a VM in the bare metal KVM, which already had a LUN 0 and data with that VM. Once attached with new lun I want to make a copy of the old lun in ...
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188 views

kvm virtio VM sound issues (windows 10)

I know this is an unRAID server but this is a KVM issue so that's why I am here. I got everything working so far except the sound. And I need it to work on my MainVM (Gaming VM) and an other VM. I ...