Questions tagged [virt-manager]
Virt-Manager is a desktop user interface for managing virtual machines, based on libvirt.
180 questions
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Impossible to set up shared clipboard on vms handled created with Vagrant
I am trying to automate the deployment of a cybersecurity lab. My goal is to have a repeatable process to create a Debian-based with all my tools and configs.
To this extent, I recently discovered ...
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FreeBSD guest not reporting RAM usage in virt-manager with QEMU/KVM
I got two FreeBSD VMs (Latest production version, 14.3) working with my setup of Linux VMs separated by each service, all the Linux VMs report the RAM usage correctly but for some reason the FreeBSD ...
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libvirt: "Error starting domain: internal error: failed to parse JSON: nesting too deep"
I'm on Fedora Linux 42.20250824.0 (Sway Atomic), running libvirt version 11.0.0, qemu-img version 9.2.4 (qemu-9.2.4-1.fc42) and virt-manager version 5.0.0, all installed as layered packages.
Using ...
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What's the difference between "QEMU/KVM" and "QEMU/KVM user session" in Virtual Machine Manager?
I just installed "Virtual Machine Manager" from Discover (flatpak) and I'm trying to learn how it works.
When I'm adding a connection, then it gives me two options: "QEMU/KVM" and &...
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Virtual Machine Manager: Unable to connect to libvirt qemu:///system. Verify that an appropriate libvirt daemon is running
I just found an app on Discover Store (Flatpak) that is called "Virtual Machine Manager". So I've downloaded it, because I want to try and make a Windows 11 VM with it.
But as soon as I go ...
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1
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having trouble detecting user (qemu:///session) VMs from root account
I am trying to write a bash script that detects if there are any running VMs and performs a set of actions only when no VMs are running.
The system in question has several virtual machines (all from ...
- 1,113
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Full Screen Mode with QEMU virtio on MacOS?
Does anyone know how to get full screen mode working using QEMU on MacOS (Ventura or Monterey)?
I tried entering full screen on my 5120 x 2880 resolution display, however Gnome Display Manager doesn't ...
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mount errors of /dev/vda when running virt-install with --inject-initrd option
I'm trying to automate installation of a debian machine with a preseed configuration file and despite a few hiccups here and there it seems to work. I am confused though why adding --inject-initrd ...
- 381
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How to enable high DPI display scaling in KVM guest?
I've just got brand new Lenovo P1 gen7 with 16" with decent 3840x2400 resolution.
Fedora 42 handles it pretty well: it let me set up scaling to whatever suits me, and that's all. However KVM ...
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Which file formats for VM disk images can be used under both VirtualBox and Virt-Manager?
As far as I can see, VirtualBox 7.x only supports the following formats:
.vdi
.vhd
.vmdk
.hdd
.qcow/.qcow1
.qed
The virt-manager 4.1 again only seems to support the following formats:
.raw
.qcow2
...
- 11
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394
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Screen Tearing on virt-manager with QEMU/KVM on NVidia GPUS with 3D Acceleration
I managed to get my NVidia GPU (RTX 3070) working with 3D acceleration in virt-manager. I had to make a user QEMU/KVM session as there's some bug not causing it to not work in the system/root session. ...
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Virtmanager: USB-serial to virtual serial?
I have a /dev/ttyUSB0 on my Debian for a serial RS232 device.
What I try to do is to pass it into a WindowsXP (virtmanager, KVM, qemu) as a serial interface (e.g. COM2).
I don`t get it done.
The only ...
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No internet connection on both Host & Guest machines
I'm having trouble understanding why my host and guest machines don't have internet connections. I'm using NAT in virt-manager.
When I am not connected to Wi-Fi
user@user ~> ip route
169.254.0.0/16 ...
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How do I prevent a VM created in Virt-manager from accessing my microphone?
My host is Arch Linux and I'm using virt-manager to run VMs. I noticed it had access to my microphone when Cortana started listening to me after a Windows guest install.
I've looked through all the ...
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Loading firmware for USR5423 802.11bg Wireless Adapter [ZyDAS ZD1211B]
I am attempting to passthrough a WiFi dongle (USR5423 802.11bg Wireless Adapter [ZyDAS ZD1211B]) to a VM running Debian 12 running under QEMU/KVM. I need the device passed through to the VM for a ...
