Questions tagged [virtualization]
Questions about Virtualizing Ubuntu or virtualizing other operating systems within Ubuntu.
2,170
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virt-manager Error connecting to graphical console
I've had this problem now for several months and haven't been able to find a suitable solution. When searching I find a lot of very old posts about the problem but none seem to related. Mostly talk ...
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28
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Hi vm UBUNTU and me Specific question about the performance capabilities of Virtual Machines on Ubuntu distribution kernels and you! [closed]
How to install Windows 19.3 in a vm?
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45
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Can't bind/unbind GPU from nvidia to vfio-pci properly on demand without reboot (Ubuntu 22 QEMU KVM OVMF)
I am running into an odd issue. I have been struggling to get GPU passthrough to work properly to a Windows 11 VM and I've finally found something that works but it's not as ideal as I'm hoping for. ...
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44
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Failed to boot ubuntu 18.04 arm64 iso in QEMU virtual machine (x86 host) [closed]
I am trying to run an arm64 virtual machine on an x86 host using Virtual Machine Manager. I have placed the Ubuntu ARM64 installation disk "ubuntu-18.04.6-live-server-arm64.iso" in the ...
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1
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TuneD can't verify profile cause of missing configuration(according to the internet)
So I was crusing the Internet, trying to come up with a performant way of setting up KVM Windows Guest setup on my freshly installed Ubuntu 22.04 Host machine, I found this tutorial.
This tutorial ...
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28
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Cannot connect to hypervisor after system upgrade
I have been reliably running a QEMU/KVM virtual machine on my Ubuntu Server for months, but after updating my system I am no longer able to connect to this VM.
Notably, I am able to create and connect ...
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80
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Unable to connect to Ubuntu VM via Putty
I'm new to Ubuntu and I have a Windows machine. I am using Oracle VM Virtualbox and installed Ubuntu Linux server in it and using it. I am trying to connect to this Ubuntu server via Putty from my ...
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38
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Install Xubuntu Core 22.04 (Jammy) on a UEFI system
How can I install a modern (Jammy) Xubuntu Core on a UEFI system?
I am trying to install a "desktop virtualization" host based on Ubuntu. I have been playing with XEN (project) on Ubuntu ...
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Trying to use a downloaded folder of Windows in Ubuntu on the same system
Trying to use a downloaded folder of Windows in Ubuntu on the same system.
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36
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QEMU/KVM Windows 11 Code 52 error with display driver
I am trying to run a W11 VM and the VM is working OK but I cannot get the display driver from virtio-win-0.1.248.iso to be accepted.
The message I have from the Red Hat driver Properties is:-
Windows ...
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22
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What is "ovs-testc"? How Do I Disable It?
I'd like to run an SDN application on my Ubuntu machine (ver 22.04.3 LTS). As I understand it, when the SDN runs, it needs to BIND to TCP 6653, the default port for OVS. But on my machine, the SDN ...
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cloud image hangs with blinking cursor when installing gnome desktop
I am trying to deploy a VM with ubuntu desktop.
My host is a headless Debian Bookworm with libvirt + qemu as the hypervisor.
I tried the steps below with Jammy and Noble latest cloud images from here. ...
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23
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It is possible to use dual-screen RDP for an Ubuntu 23 desktop VM?
I have an Ubuntu 23 desktop VM in VMware vSphere. I already set the virtual video card to have two displays and 128 MB of video memory.
However, when I RDP to it (ensuring "use all monitors" ...
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How does SR-IOV networking work in an Ubuntu 22.04 Hyper-V virtual machine?
Using Windows Server 2022 as a hypervisor, I've created two Ubuntu VMs: an Ubuntu server and a desktop. The following is based on my experiences with the server on 22.04 and also 23.xx, although the ...
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booting from qemu with self-made bare minimum OS
I wrote a minimal OS to boot from in nasm.
org 0x7C00 ;because the OS is loaded at address 0x7C00
bits 16 ;because we start in 16 bit mode
main:
hlt
.halt
jmp .halt
times 510-($-$$) db 0
dw ...
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1
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42
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"libvir" not found in "sudo apt install libvir"
I want to install Qemu on ubuntu 22.04 following this tutorial
However, when I enter sudo apt install libvir I get
E: Unable to locate package libvir
Does anyone know whats wrong with my system? (I ...
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711
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vmmon and vmnet are not installing in Ubuntu 22.04 LTS (kernel 6.5.0-21-generic)
I am tring to install Vmware Workstation 17 on my device. I installed the .bundle file got from the official website. Installed gcc gcc-11 gcc-12 build-essentials via apt.Then I ran the command sudo ...
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234
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How to login into xrdp/xorg in hyper-v? When I enter ubuntu login credentials in the input box, a blank blue screen shows up
Disabling the Enhanced session mode let's me enter into ubuntu without xrdp login dialogue box but it results in not able to copy clipboard and full screen doesn't work.
I don't have much experience ...
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35
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Transfer virtual machine setup to laptop
I spend four days creating a desktop environment as I need on VMware VM.
All is working great, and now I would like to install/copy/transfer this beautiful configuration to my new laptop. I don't want ...
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43
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Netplan issues with Hetzner and ip's
I have the following config on 01-netplan.conf think it's called.
network:
version: 2
renderer: networkd
ethernets:
eno1:
dhcp4: no
bridges:
br0:
interfaces: [eno1]
...
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1
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47
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How to get rid of error [closed]
I am using m2 macbook with UTM virtualization (ubuntu linux OS) i am installing hadoop But there's only one error
ERROR: JAVA_HOME /usr/lib/jvm/java-11-openjak-amd64 does not exist.
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494
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KVM not supported shown in terminal while it is enabled
Can you let me know what I am doing wrong to install the KVM in Virtual Machine Ubuntu that I see the error of "CPU does not support KVM extensions"?
I am running a Linux (Ubuntu 22.04.3 LTS)...
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709
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Your CPU does not support KVM extensions - Virtualization is On
I am trying to use KVM using VirtualBox running an Ubuntu 20.04.06 focal ISO image. When I enter the command kvm-ok it shows me this output:
INFO: Your CPU does not support KVM extensions
KVM ...
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1
answer
58
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Hyper-V Ubuntu does not show installation wizard
I've got Ubuntu 20.04 installed via Hyper-V quick create with a 128Gb virtual HD.
I get to the home screen, but it just sits with the cursor spinning and does not show the install wizard (it has shown ...
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24
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Create a guest with kvmtool
I want to boot a standalone application (I have the .elf file) on a KVM guest in an UltraScale platform. I am new with KVM and I'm using kvmtool, but I don't know how can I run a guest running my elf ...
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101
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Uninstalling VMware Player 17 Issue on Ubuntu 22.04
I have accidentally executed these commands:
sudo rm -r /etc/vmware
sudo rm -r /usr/lib/vmware
Before executed this one sudo vmware-installer -u vmware-player, so when I tried to executed sudo vmware-...
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1
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78
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something wrong disk size in vm under KVM
My VM in KVM looks disk full, then I checked df
df -h
Filesystem Size Used Avail Use% Mounted on
tmpfs 392M 1.2M 391M 1% /run
/dev/mapper/...
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86
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Nested virtualisation: unable to change the power state - Intel VT-x disabled
I have a problem installing virtualbox on ubuntu which is installed on microsoft azure. I get the following error:
Unable to change the power state of the virtual machine: this host supports Intel VT-...
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481
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Trying to share a directory, that is located in another hard drive connected to my computer, with a Windows 10 guest on QEMU/KVM
I'm using Ubuntu 23.10 and Virtual Machine Manager 4.1.0.
When I try to add the directory that is located on another hard drive in Virtual Machine Manger, I get the following error: "Error ...
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161
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kvm exiting hardware virtualization
I used to encounter this error when I want to turn off or reboot my system.
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1
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531
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Dockerized pi-hole on ubuntu makes the connection unusable, is it expected?
In order to use pi-hole in a container on Ubuntu 22.04.3 LTS I first download
docker pull pihole/pihole
then I free up some ports
sudo systemctl disable systemd-resolved.service && sudo ...
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Got on trouble Vlan VM need help. (VLAN, KVM-VM)
I want to create a vlan on ubuntu server and want to create a ubuntu server vm mit kvm but I have not enough lan ports so I want to create a van to create the vm that uses the vlan to get an private ...
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197
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How do I share a folder between Ubuntu 22.04 (client) and Windows 7 (guest) using qemu-kvm
I'm running Ubuntu 22.04 on a homemade PC: AMD Ryzen, Gigabyte X570 motherboard with a Samsung 980 Pro SSD. I've already created a few shared folders via Samba, but I'm often given the "you don't ...
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MacVTap in KVM not getting IP address from Local Network DHCP
Trying to create a KVM with MacVTap interface, but there is no ip assigned to it
Referring to these docs to create the kvm.
Followed the creation of network properly, i.e added interface in the ...
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54
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No VPN inside Ubuntu VM?
Symptom: neither OpenVPN nor wireguard based VPNs work inside Ubuntu VM. Errors range from no network to connection failed, etc. Tried TCP and UDP protocols. Also tried protonvpn and surfshark ...
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66
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setting nested virtualization in ubuntu
I am using Ubuntu as my host machine and using KVM.
In my KVM machine (windows guest) I have installed Vmware.
Is it possible to run machines inside the windows guest (in the vmware)
I know is it ...
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113
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GPU Passthrough in kvm, but dmesg reports arm-smmu-v3 CMD_SYNC timeout on host
For some reason I can only use iommu.passthrough to enable iommu on my arm64 borad. It seems I successfuly passthrough a Tesla P4 into my guest machine.
But after installing the Nvidia vgpu driver, ...
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542
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Connecting NVIDIA RTX GeForce 4090 to Ubuntu 22.04 in VM
I have a Lenovo Legion 7 that I am not using for gaming. I installed Ubuntu 22.04 in Hyper-V and want the NVIDIA GPU (RTX GeForce 4090 ) provide compute power for apps run under Ubuntu. After ...
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1
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133
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How can I Dual-Boot 2 internal SSD's (Win/Ubuntu) and have each able to run the other as a VM?
I have a new laptop on the way, it has 1TB SSD *2, 32GB RAM, i9 processor and 4080 GPU.
I want to set up dual boot - win/ubuntu each on their own SSD.
I also want each OS to be able to run the other ...
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Cant boot ubuntu in vmware after moving files from C to D partition (cant exit from emergency mode)
Here are the screenshots of what I am getting
first
second
third
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389
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Attempting to use LibVirt with QEMU on Ubuntu 22.04 without KVM
My understanding is that I can use LibVirt and QEMU on Ubuntu 22.04 without having to use KVM. In order to do this I'm using the following commands:
#!/bin/bash
sudo apt-get -y update && sudo ...
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109
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NIC dedicated to a KVM guest VM
I'm completly on a dead end trying to add a physical NIC to a guest VM.
The server has 4 NICs and I'd like to use as follow:
NIC1: host
NIC2: Dedicated to a windows VM
NIC3: dedicated to a pool of VM ...
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120
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Virtualisation Error - Docker but Nested VT-x is enabled
I have been trying to install Docker Desktop following all the steps from installing Docker hub to then installing Docker Desktop. I even got the final error of
N: Download is performed unsandboxed ...
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116
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How do I set the permissions of a samba share I mount via GNOME GUI?
When I mount a samba share on my NAS via the Gnome UI, it creates a folder named 'smb-share:server=192.168.1.1,share=data' in the /run/user/1000/gvfs folder.
The permission of this folder are ...
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How to virtualize snapshot clone fast ubuntu iso files to test if bugs are gone? What is lightest container app?
How to virtualize snapshot clone fast ubuntu iso files to test if bugs are gone? What is lightest container app?
I want to fast load in ubuntu and windows an iso of ubuntu to test bugs. What is best ...
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How to containerize system with files- to install apps in seperate space, so that app is not in system and removing container the apps would be gone?
How to containerize system with files- to install apps in seperate space, so that app is not in system and removing container the apps would be gone?
Snapshots or clones of system and then working in ...
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51
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How to use GRUB in a virtual machine
I'm creating an assembly in cubic. I configured grub so that the live version runs by default (without installation). When booting from a real computer, everything works as it should; when starting ...
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45
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WIN11 VM Does Not Start
I recently installed win11 vm using the method shown here https://ubuntu.com/tutorials/how-to-install-a-windows-11-vm-using-lxd#1-overview.
I finished the installation up to end of step 3 where ...
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96
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Unable to connect to my GPUs using the VM
The nvidia driver was working perfectly on my VMWare virtual machine, but suddenly and after some tensorflow and cuda installations, the driver failed to connect to the GPUs (I have two GPUs) , so I ...
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158
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Automating Creation of VM through python-libvirt and Providing SSH access
For a Project I am trying to automate the Process of generating Virtual Machines through libvirt using python-libvirt. Using the following dump.xml I create a VM.
dump.xml
<domain type="kvm&...
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