All Questions
33
questions
27
votes
1
answer
18k
views
What is the difference and relationship between kvm, virt-manager, qemu and libvirt?
I investigated this topic and here are my conclusions (But I still have questions. And please correct me if I made any mistake in my conclusions):
VMWare:
VMWare developed its VM Hypervisor SW in 1999,...
- 373
1
vote
1
answer
3k
views
Can't boot VirtualBox vdi virtual machine image converted to raw image in QEMU/KVM: not a bootable disk
I have a .vdi VM image created with VirtualBox and converted it to raw and qcow2 images like this:
VBoxManage clonehd --format RAW ./vm.vdi ./vm.img
qemu-img convert -f raw ./vm.img -O qcow2 ./vm....
- 344
0
votes
1
answer
1k
views
QEMU-KVM: Can't virtualize in nested hypervisor with error: ERROR Host does not support any virtualization options
I have a qemu-kvm hypervisor in Ubuntu (Level 0) with a CentOS 7 as a VM (Level 1), which I also installed QEMU-KVM, turning it into another hypervisor, where I intend to have Arch as a VM (Level 2). ...
- 362
1
vote
0
answers
365
views
Pass through ACPI devices in KVM
Is there a way to pass through ACPI devices to a KVM guest? I'm trying to create a debugging environment for an ACPI device.
- 11
1
vote
0
answers
374
views
How to disable buffering for a LVM partition under QEMU KVM
I'm using Windows 10 under QEMU KVM on a Fedora 27 box. Disk for a VM is attached as a raw LVM partition with cache=none.
<disk type='block' device='disk' >
<driver name='qemu' type='raw'...
- 206
0
votes
0
answers
384
views
How to map an address of a guest OS to host OS
Given a guest OS address on a virtual machine, how can I map it to host OS and vice versa.
I am running a guest OS (Ubuntu 16.04) using QEMU emulator (version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.26)) ...
- 101
0
votes
1
answer
594
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
267
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" ...
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
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
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
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
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