All Questions
Tagged with virtual-machine linux-kvm
115
questions
3
votes
1
answer
13k
views
KVM GPU passthrough of nVidia dGPU on laptop with hybrid graphics without proprietary drivers on host
I have a 2017 Dell XPS 9560 with a discrete nVidia graphics card in addition to integrated Intel graphics. The nVidia card is usually powered down by way of an ACPI command. I do not have, or want, ...
- 568
1
vote
1
answer
534
views
Can hardware be used directly by both host and guest?
I am about to start experimenting with VT-d/PCI passthrough on my new coming-soon hardware known to support it, and wondering if it will be possible to use say video/audio hardware by both host and ...
- 811
0
votes
1
answer
110
views
Reverting a VertIO driver installation on boot drive
I setup A VM in unRAID which utilises KVM. I passed through my physical drive which already has a installation of Windows 10.
When I passed the drive through I installed the VertIO drivers, although ...
1
vote
2
answers
703
views
Running a linux fileserver *as* a VM versus *in* a VM [closed]
This is ultimately a question about how to optimize a physical->virtual machine move. I've found a number of posts that are somewhat related, but nothing (yet?) that appears to address it directly. ...
- 350
0
votes
1
answer
21
views
Network Setting For Hosting Site On Guest VM
How can we use a web-server on Guest Windows VM hosted on Centos 7 KVM, I am having trouble with the network connection.
On my Router we have mentioned that any request coming to the public-IP:80 ...
- 3
0
votes
1
answer
3k
views
How to set static ip for host machine and quest machines when using KVM/QEMU
i setup a Ubuntu server 16.04 and installed KVM/QEMU on it.
I set static ip 192.168.1.10 for host machine and i want to have a static ip set on the virtual quest machine aswell (192.168.1.20), i know ...
- 101
0
votes
1
answer
593
views
Installing Windows VM on unclaimed sectors of a drive with QEMU/KVM
I have a single 500 GB NVMe drive. I'm using GPT and I have the following partitions:
1G of ef00 / EFI System for /boot
4G of 8200 / Linux swap
245G of 8300 / Linux filesystem for a Linux install, my ...
- 659
0
votes
0
answers
265
views
In step 3 of 4 in creating virtual network for QEMU/KVM, network IPv6 address space definition is red
When I search "choose ipv6 address space for virtual network," Google showed no results, but shouldn't that be in archives somewhere on the Internet?
When I type in the IPv6 network in the "Network" ...
1
vote
2
answers
3k
views
KVM PCI passthrough, driver installed but it won't output anything
I have a Windows 10 guest VM running on qemu-kvm, with a GTX 970 card passed through to it, using vfio-pci. I can start the VM fine and connect to it through VNC, install the nvidia driver, it detects ...
- 468
0
votes
1
answer
3k
views
Can't connect to internet from host when QEMU/KVM guest is on with virtual network
I am using OpenSUSE Leap 42.2 on a Dell Inspiron 1545.
When I try to access a website, sometimes it shows a "Server not found"(Firefox), but sometimes it just never finishes looking up the server.
But ...
3
votes
2
answers
2k
views
QEMU/KVM Libvirt forwarding
I am using OpenSUSE Leap 42.2 on a Dell Inspiron 1545. There was an error on default virtual network on KVM:
Error starting network 'default': internal error: Check the host setup: enabling IPv6 ...
2
votes
1
answer
3k
views
How to(Libvirt) attach floppy image device to guest VM?
Say, I have floppy.vfd image.
How should I fill my xml file in order to attach floppy image?
I have template like
<disk type='*' device='*'>
<device name='*' type='*'/>
<...
anon
4
votes
1
answer
2k
views
Fastest way to install custom kernel in virtual machine
I have a custom kernel that needs to be installed on multiple virtual machines.
One way to do it transfer the source to each VM and then compile and install.
I would like to know if there is a ...
- 41
2
votes
2
answers
4k
views
Qemu: Is it possible to have BOTH the virtual display and VGA passthrough in a Windows guest?
This guy implies that it's possible to have both the virtual display and a VGA passthrough display device active at the same time..
I've tried this, both with libvirt and with the qemu commandline. ...
- 300
0
votes
0
answers
4k
views
How to boot macOS in KVM?
Note: this question assumes the host running KVM is running on actual Apple hardware, to comply with the macOS license agreement.
I have installed Ubuntu 16.04 Server on a late-2014 Mac Mini and ...
- 2,782
2
votes
2
answers
4k
views
How to boot a virtual machine as the primary desktop from text mode or DM under linux?
I need to switch between linux distributions every couple weeks. Virtual machines are great for this, but it'd be more convenient to run the virtual machine as my main desktop for a that period of ...
- 121
5
votes
3
answers
19k
views
Two mouse cursors when using virt-manager
I created a VM (host: Fedora 25, guest: LUbuntu 16.10) using virt-manager. When I start it and click on the window, I see two cursors: one host cursor and another guest cursor:
The movement of the ...
3
votes
1
answer
7k
views
ZFS vs raw disk for storing virtual machines: trade-offs
Background:
I am planning to set up a KVM to run Windows and Linux on the same workstation, and am undecided about how to set up the disks. It is my understanding that raw disks typically improve ...
- 328
0
votes
0
answers
215
views
Windows licensing in multi VM config
I am planning on building a Linux machine, running up to two Windows VM's at once with KVM and Qemu. I am aware that according to Microsoft's licensing I am required to have a license per VM, however ...
- 1
2
votes
1
answer
3k
views
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 ...
- 402
32
votes
3
answers
73k
views
libvirt: "Failed to initialize a valid firewall backend"
I'm trying to set up a virtual NAT network device without DHCP for libvirt on an Arch Linux host.
What I have tried:
# virsh net-define network.xml
Network default defined from network.xml
[...
- 429
2
votes
2
answers
3k
views
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 ...
- 201
1
vote
1
answer
2k
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 ...
- 21
0
votes
0
answers
525
views
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 --...
- 135
5
votes
2
answers
2k
views
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 ...
- 367
1
vote
0
answers
719
views
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 ...
- 451
3
votes
2
answers
3k
views
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-x86_64 ...
- 141
4
votes
2
answers
7k
views
Unable to resume KVM guest after rebooting host
I'm running KVM on Linux Mint 17.1, kernel 3.16.0-31-generic. The only guest is a Windows 8.1 VM. I've noticed that if I reboot the host while the guest is running, I'm unable to resume the guest ...
- 812
0
votes
0
answers
370
views
Can we use Ceph or Gluster FS to avoid IO bottleneck to start many VMs?
AIM: I want to start 50s of VM on s single server or on a set of PCs.
Scenerio: I tried to boot 15 VM on a single server with enough computing power(processor) and RAM but disk is a bottleneck in ...
- 136
1
vote
1
answer
2k
views
Can KVM run on top of host OS?
I was interested in experimenting with Xen until I discovered that it has to be installed bare metal. Hence, if I have a Linux machine and want to use it to run a Xen hypervisor, I have to install the ...
- 611