All Questions
Tagged with virtual-machine qemu
148
questions
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
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
13
votes
1
answer
7k
views
How can I get qemu's Ctrl+Alt keys working in -curses mode?
So here's the situation; I currently have qemu installed on an OpenBSD 5.3 snapshot. This is a console setup so I have to either run with -curses or -nographic. The problem here is that I'm having ...
- 131
10
votes
2
answers
14k
views
Save qemu VM state like in Virtualbox
I am used to the Virtualbox "save machine state" exit strategy, which is a handy way to let the host reboot without shutting down the vm.
I recently switched to qemu because of its VT-x in VT-x ...
- 523
8
votes
6
answers
27k
views
Windows 7 fails to install on KVM with qemu
I'm trying to install Windows 7 as the guest OS in a virtual machine hosted by my 64-bit Ubuntu Karmic box. I get to the point of selecting my language settings and clicking 'install now', but a short ...
- 753
7
votes
1
answer
17k
views
How do I use Qemu/Spice dynamic resolution in a Windows 7 guest?
The Qemu Spice user manual makes reference to a "dynamic resolution" feature. If I'm understanding correctly, this alters the guest resolution to match the size of the VM's window, as is done ...
- 300
7
votes
1
answer
8k
views
Create "linked clone" or layered shared disks with QEMU
Does QEMU support a feature like VMware's "linked clone"?
What I'm trying to accomplish: I'm setting up a test environment with a handful of VMs, that are all nearly identical. However, a fresh ...
- 3,424
6
votes
1
answer
8k
views
QEMU: No visible cursor when using QXL or virtio
When I run qemu-system_x86_64 with -vga qxl/-device qxl-vga or -vga virtio/-device virtio-vga, the guest has no visible cursor. The mouse works, and items highlight when I hover over them, but I can't ...
- 189
5
votes
2
answers
27k
views
Why VM QEMU is very slow ? Still a Newbie here
I recently tried QEMU, so I can run both Windows and Linux/*nix at the same time.
I looked for docs/tutorials online, but found they are way beyond my comprehension.
So I just followed https://www....
5
votes
3
answers
8k
views
How to display 3D Wayland inside a virtual machine?
I'd like to try Wayfire—a 3D Wayland compositor—inside a virtual machine.
What are the options and requirements to make a virtual machine that can display a Wayland compositor with 3D acceleration?
...
- 211
5
votes
1
answer
2k
views
How can I emulate Ubuntu 18.04 on MacOS using qemu?
How can I run Ubuntu 18.04 on my MacBook Air (Mojave) using QEMU? (yes I have to use QEMU for now.) I got QEMU from here. But also got it from Homebrew as well.
I've tried looking at the QEMU's ...
- 151
4
votes
1
answer
7k
views
Running Alpine Linux on QEMU ARM guests
I'm trying to build packages for Alpine Linux, which has official support for x86, x86_64, armhf, aarch64, s390x, ppc64le, so I want to build for all of these architectures.
Currently I'm using QEMU'...
- 231
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
4
votes
1
answer
12k
views
How to "alt-tab" out of full-screen Virt Manager?
I'd like to switch from fullscreen in qemu/kvm Virt Manager back to the most recently used window on the main host's operating system (just like alt-tab), but I haven't yet found a solution that works....
- 185
4
votes
1
answer
3k
views
Can I get more screen resolution options for a QEMU virtualized Windows using a VirtIO graphics card?
When virtualizing e.g. a Windows 10 installation with QEMU and using the default graphics card (with no command line option set), it shows up as a "Microsoft Basic Display Adapter", and one ...
- 165