Linux Kernel Virtual Machine is a virtualization system (VM)

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Ubuntu KVM defaults

I have an issue with XRDP and ubuntu virt-manager, when using XRDP the VM guest does not recognize my keyboard, the fix is too change default graphics type to VNC. This is fine, but I cannot find a ...
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How do i update available versions for operating system types in virt-manager

How do i update available versions for operating system types in virt-manager? For example for Ubuntu, only up to Ubuntu 14.04 LTS is in the menu but I'm installing Ubuntu 16.04 LTS. Installation ...
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KVM not working on CPU supporting VT-x

I got a hp xw4400 workstation pc which is fairly old. As the pc shall not yet be retired I'd like to use it for some light virtualization using QEMU / KVM. The pc is currently running Ubuntu 16.04 ...
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KVM Network Configuration

I was wondering how I could achieve making a KVM host with CentOS 7 (64-bit latest) with the following network goals... I'm trying to put the virtual machines on a VLAN of 10.0.0.0/24, and have that ...
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KVM: Assinging ethernet ports to a VM exclusively

I need to virtualise pfSense using KVM. Currently, pfSense running on bare metal. However, I am not sure how to go about it such that I don't create a security risk. The machine I am running pfSense ...
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How do I start virsh with NVIDIA Optimus?

As my notebook has Optimus, I cannot use GPU forwarding. Instead, I use Virgl3d with KVM and virsh. This works absolutely fine and allows me to use at least a few 3D related applications. It however ...
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Why continous I/O to c:\windows\system32\config\SOFTWARE.LOG1

Referring to for the original question, What is the purpose of config\Software.log but my question is rather WHY the continuous writing to that file. I have 6x Windows 2008R2 SP1 VMs, and they consume ...
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kvm-linux with zero(thin) client

I have to run a virtualization in my office. Can I use kvm-linux virtualization with zero(thin) client? I know vmware supports zero client protocols well but does kvm support it too and I can connect ...
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KVM VM not visible/pingable from LAN

I am running a Virtual Machine on a Host that is hardwired to my LAN. The Host shows up on my local network (as do the other Hosts connected by Wifi) but the VM Guest does not. Initially this was ...
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virt-manager + kvm mouse movement on windows 10 guest

I installed a Windows 10 OS on a virtual machine created using virt-manager on Ubuntu 16.04 desktop host. I installed the relevant guest drivers, including all virtio drivers and spice guest tools. ...
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Is it possible to launch a VM's GUI from the command line with KVM without a desktop environment on host

Just did a fresh install of Arch Linux. I will be running several VM's with KVM. Is it possible to launch the VM's GUI from the the command line without a desktop environment such as gnome?
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KVM/Virtualbox Virtualization with no physical network

I recently tried KVM as virtualization platform. I also use VirtualBox occasionally. In every instance of deploying guest OSes, I always do one of these two: 1) set up network as NAT, guest not ...
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Ubuntu 14.04 host cannot mount NTFS disks with VT-d enabled in bios

I've been setting up an Ubuntu server with KVM, as documented at https://help.ubuntu.com/community/KVM/Installation. Once I started virt-manager and set up my 2nd video card for pass-thru, it ...
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Use both GFX cards (but one only for CUDA) simultaneously with Nvidia Optimus on KVM?

I am investigating on the possibility to run a Guest OS in KVM on an Nvidia Optimus equipped notebook. I havent really found conclusive information on the question if it is possible to use the ...
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276 views

libvirt: “Failed to initialize a valid firewall backend”

What I'm tryna doing I'm trying to set up a virtual NAT network device without DHCP for libvirt on an Arch Linux host. What I've done so far # virsh net-define network.xml Network default defined ...
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VLANs not reaching the internet in an OVS, KVM, Linux set up

I have a Linux workstation and I have hit an issue with KVM and OVS over the last week. My goal was to have two VLANs (vlan10, vlan20) and both of them should be able to reach (a) each other and (b) ...
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Does KVM put a firewall on top of guests?

I have been working on a project to build an all inclusive server in my home. This is to augment my networking/vm knowledge, and save my Mother money on our cable bill. It right now consists of: ...
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Windows 10 in KVM: change boot disk to Virtio

I have installed a Windows 10 virtual machine using an IDE disk and would now like to change the disk to use the Virtio driver. For other versions of Windows, the approach in this question seems to ...
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KVM/QEMU Guest mounting Host Storage

I'm running CentOS 7 on a host machine and I'm wondering the best practice to automatically mount a hard drive for a KVM guest. I've made an Illustration to help describe what I'm trying to do. The ...
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Can KVM run on Freescale IMX6 SABRE board?

I'm wondering if KVM can run on Freescale IMX6 SABRE board, which has ARM Cortex A9 processor? I searched around but couldn't find any information about this. Thank you very much in advance!
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After installation KVM virtual machine stops after rebooting, keeps adding -no-reboot

After successfully installing an Ubuntu 14.04 LTS KVM virtual machine I need to reboot the whole thing for everything to take effect. The thing is, it doesn't actually reboot, it just stops and then I ...
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Windows guests do not recive local MACs

We are running a KVM based virtual machines. The network type is bridged network. The KVM host is Debian 7, that is run as VMWare esxi virtual machine. In other words, Debian 7 (KVM host) is run as ...
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KVM virtual Win 7 instance not genuine

Running kvm, qemu, libvirt... and have six virtual machines, five Linux, one Win 7. All the Linux instances are running perfectly as is the win 7 instance, but... After installing the Win 7 machine we ...
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making copy of one server to another

I have three identical hardware machine. I want to install and configure centos server on all machine. I need to have exactly same configuration. After some research,I know there is a way of making ...
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201 views

File server VM on a btrfs host

I want to build a file server/NAS while using btrfs to protect the data (from bitrot), but I'd like to use my existing KVM/QEMU server (debian with btrfs raid1) and create a VM for this purpose. If I ...
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104 views

Missing AESNI, RDRAND and RDSEED capabilities?

I've got a machine with a Core-i5 5200U. Its a 5th generation processor, so it has AESNI, RDRAND and RDSEED. Its the reason I bought the machine. The machine is running Ubuntu Server 14.04.03. Ubuntu ...
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Unable to configure KVM (Qemu or Libvirt) on openSUSE Leap 42.1?

I simply want to run multiple VM (not at the same time). I want them to be stored in another partition (mounted here /run/media/shark/VM) and not in the default storage pool /var/lib/libvirt/images/...
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426 views

Need qemu to run headless on host, but still forward graphical output via x11

I have a headless host with qemu installed. I can ssh into the host, and forward x11 so I can view graphical output. However, when I try to run qemu, I get the following error: Could not initialize ...
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Handling /etc/fstab when upgrading linode from Xen to KVM?

I have a linode that is currently on one of Linode's Xen servers. I see that I am eligible to upgrade to a KVM linode. One thing that concerns me is that Linode's upgrade guide says block devices ...
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Problems with my LVM partition, showing wrong size and brings I/O errors on vgscan?

I have a volume group with 3 logical volumes. 1. lv is used for a virtual webserver, 2. is a old backup of lv 1 and the 3. is a storage volume. Now my first lv throws i/o errors and is no longer ...
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Network Settings on VirtualBox clone (From KVM VPS)

I've recently copied my Debian KVM VPS to my local computer via the dd command. I've converted it into a .vdi and am now running it in VirtualBox. I'm having difficulty configuring the machine for the ...
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How to create a secure KVM/QEMU (libvirt) smb/cifs share host to client?

I run a Ubuntu Server 14.04.03 LTS as host machine and the same os version as virtual client (minimal virtual kernel) with KVM on the same machine. I run two physical Ethernet cards on the physical ...
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Passing a USB host controller into a virtual machine?

I was wondering if I have this right. So after seeing this video on YouTube I was inspired to do something similar. But with some minor changes. Mainly to the way the USB functions. If I pass a USB ...
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KVM (libvirt) share p9 drive and Apache/Owncloud can not write to file

I use KVM as visualisation system to run a virtual Ubuntu server within a Ubuntu server. No I have one host directory shared on the client machine using the p2 driver of KVM (http://rabexc.org/posts/...
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KVM mounting a directory with p9 driver and right permissions

I run virtual machines with KVM (libvirt) in Ubuntu. So there you can mount a local filesystem of your host machine using p9 drivers (http://wiki.qemu.org/Documentation/9psetup) Now I only found ...
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546 views

QEMU/KVM can't set qxl video ram size

I'm trying to enlarge video memory size of qxl-vga device. Guest os (windows 7) shows only 16mb of video memory available. I've installed windows guest tools. When I'm trying to set more video memory ...
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How to put a KVM/libvirt guest in dmz?

I have my network based on a router running ipFire. A host server on debian wheezy is running libvirt/KVM to host several guests. Those are connected to the private network (192.168.2.0 "green") via ...
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Centos 7 KVM cifs mount issues

I am having a issue with Centos changing my KVM images folder from the default to a Cifs Shared folder. Any time I try it, it returns a error like so: [root@localhost Centos_Atomic]# systemctl status ...
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Installing VMs in CentOS 7 host from ISO?

I'm trying to install a CentOS 7 guest in a CentOS 7 host, using text only. I'm using simillar commands as: virt-install --name centos7 --ram 1024 --disk path=/var/kvm/images/centos7.img,size=25 --...
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Linux windowed GPU passthrough

I've read that GPU passthrough on linux (ubuntu/mint) is possible with the correct types of hardware. I'm looking for a specific use case of passthrough and I'm wondering whether technology has ...
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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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820 views

Configure FirewallD to allow bridged virtual machine network access

I have a Windows guest running on a virt-manager QEMU/KVM virtual machine. My primary NIC eno1 is in a bridge br1 which is configured with my host IP address configuration. This VM is connected to ...
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Installing Windows 10 via VM, “can't find drivers” error

I'm trying to install Windows 10 to a hard drive via a virtual machine (KVM) and I'm having a problem with it complaining about not being able to find drivers (despite the fact that they're part of ...
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how can you install a KVM guest os in nographic mode

I need to install a KVM guest OS but without the use of a GUI. What I found so far: create a disk image for the guest qemu-img create -f qcow2 vdisk.img 10G install the guest OS qemu-system-...
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kvm crash when running with default clock option

I am running kvm on an embedded linux platform. The OS running is a custom built Linux using kernel 3.18.21; packages are being pulled in as needed. The architecture is intel x86 64bit. When I run ...
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How to install Windows 7 VM on RedHat KVM?

I'm using the Virtual Machine Manager to install Windows 7 on a RedHat 6.6 KVM. When after configuring everything I start the installation but the VM gets stuck and ends in "No bootable device." Can ...
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linux KVM Virtualization: USB cameras and nvidia graphics cards with dual display

I wonder if is possible to create with KVM guest machines (Windows and Linux) they can use 2 monitors (in desktop extension), USB cameras and graphics cards like Nvidia
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Why KVM is called Kernel-based Virtual Machine?

I want to know how KVM stands for Kernel-based Virtual Machine. Is there any reason behind? Is it due to "OS" work on kernel position i mean ring 0 or Level 0? Is my assumption is correct or not? If ...
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guestfs-xxxxxx VMs appearing in LibVirt (virt-manager)

I have a KVM+LibVirt based hypervisor running on Fedora 22. I use virt-manager for managing the VMs over SSH. For some reason I see "guestfs-00kxipwaewnkoq92" VMs appearing and disappearing at ...
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Linux - redirect SSH on a port to another machine on local network

I have a KVM guest machine on a virtual network. It has an IP address like 192.168.122.65. The host machine is connected to the public internet. If I open a terminal on the host machine, I can SSH ...