All Questions
Tagged with qemu virtual-machine
149
questions
2
votes
0
answers
2k
views
How define custom DNS server for QEMU VM via CLI?
How define custom DNS server for QEMU VM via CLI?
I want only for that virtual machine dns at 192.168.1.51 which is pi-hole.
sudo qemu-system-x86_64 -gtk -m 1G -hda "ubuntu22.qcow2" -cpu ...
2
votes
1
answer
657
views
qemu Windows VM fails if I change the SMP level
I created a Windows10 VM using qemu a LONG time ago and have copied it around to various servers and have been using it with different -smp levels (I start it just using command line arguments and I ...
- 121
2
votes
1
answer
2k
views
Problems using libvirt to create a Win98 Virtual Machine
Recently, I encountered a need to run some Windows 98 software. I decided to use this project to learn about virtual machines (I have had no previous experience). I tried to run virtualbox on my ...
- 75
2
votes
0
answers
3k
views
How speedup qemu? My launch parameters very slow
Im try launch VM under windows 10 x64, qemu 4.0.92.0 on my rented VDS
qemu-system-x86_64 -m 4G -accel tcg,thread=single -smp
cpus=1,cores=2,threads=2 -boot order=d -drive
file=C:\Users\admin\...
- 41
2
votes
0
answers
515
views
Bridged qemu machine cannot receive packets, these are dropped
I've created virtual machine (ppc) with bridged interface (using bridge helper) on archlinux. Machine can send packet out, but cannot receive anything. I can see packets (dhcp discover,request and/or ...
- 91
2
votes
0
answers
358
views
VM inside host VM cannot see avx cpu flag
I have an Ubuntu 14.04 server installed on a VM inside VirtualBox. This VM acts as my host for other VMs. I ran a Linux based image using qemu inside this host VM. The host VM has cpu flag avx but the ...
- 21
2
votes
1
answer
1k
views
QEMU installation is broken
I am trying to run a Windows 10 VM on Windows 10.
What I did
I downloaded QEMU exe, then got Windows Installation Media to get the Windows 10 iso file.
Then I simply moved to the Windows 10.iso file ...
- 73
1
vote
2
answers
1k
views
Virtual machines: QEMU, VirtualBox
When I use a virtual machine on my i5 laptop, does it emulate every instruction or does it run normally?
How much is the speed decreased? Especially I am interested in QEMU and VirtualBox; how do they ...
- 3,371
1
vote
1
answer
6k
views
linux 'top' not showing all processes
I am running linux top command to see processes running inside qemu VM. Sometimes, a process does not appear in them, but if I run,
ps -eo psr,pcpu,comm | grep myprocessname
then the process is ...
- 201
1
vote
1
answer
5k
views
How to passthrough GPU/PCI-e with QEMU 7.0 on macOS host to Windows guest
I have a PC with a powerful Nvidia GPU that is used for mining only through a simple Windows application. For my love in Hackintosh, I installed a new SATA drive and installed macOS Monterey 12.4 and ...
- 113
1
vote
2
answers
2k
views
Windows 10 VM Bootloop
I've replaced my intel i5 with an amd ryzen 7. Now my Windows 10 VM (libvirt/qemu) won't boot, it just shows "preparing automatic repair" and then reboots.
I cannot boot from a rescue iso either. I ...
- 121
1
vote
1
answer
138
views
VM in QEMU does not recognize virtual size, reports "no space left on device"
I start with the latest Debian cloud image, and make a copy for my VM.
❯ cp debian-12-nocloud-arm64.qcow2 kthw-jumpbox
❯ qemu-img info kthw-jumpbox
image: kthw-jumpbox
file format: qcow2
virtual ...
1
vote
1
answer
625
views
QEMU VM guest with no network in bridge mode on Arch Linux
I try to create a network bridge mode with my QEMU VM guest in Arch Linux using systemd-networkd.
First, I create bridge mode in Arch Linux:
# nano /etc/systemd/network/br0.netdev
[NetDev]
Name=br0
...
- 67
1
vote
2
answers
2k
views
USB passthrough to VM with maximum isolation from host
I'm thinking of experimenting with some USB devices in a virtual machine (preferably QEMU). For security reasons, I don't want to let them interact with the host.
Things I've tried:
Doing nothing ...
- 13
1
vote
1
answer
1k
views
Boot physical win10 disk in QEMU
https://www.tenforums.com/virtualization/179771-using-physical-disk-kvm-qemu-windows-vm.html?__cf_chl_tk=z_c4bUjts37uHd66EhURNiy75Wla6ioAk1ettZofip4-1670079604-0-gaNycGzNCH0
this got me the farthest ...
- 11