Questions tagged [virtualization]

Questions about Virtualizing Ubuntu or virtualizing other operating systems within Ubuntu.

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Server Standard 2019. Hyper-V 2 Windows 10 VMs Will Ubuntu with Postfix work well with my Hyper-V?

I have a Server Standard 2019 server. I have Hyper-V loaded with 2 Windows 10 VM running on it. Can I load Ubuntu for use with a Postfix. Will Postfix allow me to roll over my godaddy Url mail to ...
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What is the difference between hostname -i and ip addr linux command

I wasted almost an entire day figuring out why my newly created vm hasn't been allocated an ip address. I was using the command hostname -i which returned 127.0.1.1, however, after using ip addr I ...
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Filtered audio from OBS as a virtual audio input for video conference

I am trying to make conference calls with filtered obs video and audio as inputs. The video part I could do with v4l2loopback and obs-v4l2sink. How can I make the filtered audio from OBS as an input ...
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Installing Ubuntu through oracle virtual box manager fails with error: “Loading bootlogo, error setting up gfxboot”

I'm trying to install Ubuntu through oracle virtual box manager, but it keeps showing the following error: Loading bootlogo, error setting up gfxboot
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KVM on Ubuntu Server 20.04 on Raspberry Pi4

I have Ubuntu Server with LXQT desktop running on my Raspberry Pi4 4GB. I have also installed KVM on it along with Virtual Machine Manager. My question is can I use the Ubuntu Server 20.04 Raspberry ...
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how to start recovery mode for Ubuntu Server 18.04.3 LTS when connecting through SSH?

I have a virtual machine running Ubuntu Server 18.04.3 LTS and I need to modify some settings using the recovery Mode. I have to connect through a VPN using SSH (Putty), so I'm not sure what the ...
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Ubuntu freezes during installation on Oracle VM VirtualBox Manager

I am trying to runa virtual server for Ubuntu but it keeps on freezing during installation. freezing screen I have checked a prior thread: Ubuntu 18.04 lts freezes while in boot, in wndows Virtual ...
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Using Ubuntu to create a VHD of a Windows 10 HDD

I have a Windows 10 laptop that I dropped (make sure the zipper is closed on your backpack!). The HDD is an SSD drive so I'm relatively confident that drive is fine. I'd like to remove it from the ...
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21 views

Convert .iso to .qcow2 [duplicate]

I have ubuntu20.04 lts iso file downloaded from ubuntu website. Can you please guide to convert the iso file into qcow2 file. For instance I need the file ubuntu.qcow2 to be made from ubuntu.iso
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Virtual Disks connected to nbd via qemu-nbd gets disconnected after sometime

As I use virtual machines often, so I also need to mount virtual hard disk to the host system, Ubuntu. But as qemu-nbd mounted disk is too slow in writing, I have to mount the virtual hard disk for a ...
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Virtualize Win10 partition from Ubuntu

I am about to try to virtualize the Win10 partition that I am currently using in a dual boot setup on my Dell XPS13. Background story... As it is the developer edition, it comes with Ubuntu pre-...
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Can't Install Ubuntu 20.04 on Virtual Box

I am attempting to run a virtual box with Ubuntu on it. I downloaded the 64 bit desktop image from Ubuntu and launch a Linux Ubuntu operating system in Virtual Box (added desktop image in the settings)...
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Accessing virtual machine from local host

After logging onto the virtual machine though putty, I got Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.15.0-91-generic x86_64) ... 80 packages can be updated. 0 updates are security updates However, ...
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Using Virtualbox with Mainline Kernel

I recently had to switch from the officially supported Ubuntu kernel to one of the newer mainline ones because of a bug related to a hardware driver. Unfortunately, I can't run virtualbox now because ...
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Virtio win driver(virt-manager QEMU-KVM)

First of all i would want to apologize if this is the wrong section to post but i don't know what's the right one. So anyways. I have a windows 10 virtual machine in virt-manager(QEMU-KVM-OVMF-...
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Help compiling a kernel module

I want to compile a particular loadable kernel module, but am having issues that I can't seem to fix... Do guide me if I am doing anything wrong or if my understanding is flawed somewhere... So I ...
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1answer
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Network Not Functional After Converting Virtual Machine to Physical

I have a Ubuntu server instance running on a virtual box machine which is running on a Windows 10 machine. I converted the VM to physical and put it in a new machine and booted it up. It boots fine ...
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Virtualbox can't boot new VMs (but old ones boot fine)

long time lurker, first time poster :) I recently bought a Dell Latitude E6430 laptop with 8 and did a minimal Ubuntu 18.04 install onto it (current version 18.04.4). I do everything out of virtual ...
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Can't uninstall Oracle VirtualBox 6.1

I'm using Ubuntu 20.04 and it's my main OS (No other OS installed except for Ubuntu) When I try to uninstall Oracle VirtualBox 6.1 it says that there are VMs running even though there aren't (I ...
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Ubuntu 18.04LTS in VM; apt-get upgrade results in “Hash Sum mismatch”; overall weird behaviour

first of all thanks for your help!I have a weird situation here. I am running several VMs on a ESXi white box and one of the Linux VMs started acting weirdly. I cannot perform apt-get upgrade or any ...
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53 views

Ubuntu 19.10 can't able to access the internet in the VMware Workstation

I had installed Ubuntu 19.10 a couple of months ago in my VMware. Everything was working fine. But today I noticed that Ubuntu can't able to access the internet. There is no issue with my internet. ...
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Ubuntu in Virtual Box takes about 60 seconds to get to log in screen

Fresh install, current windows 10 64-bit. Current up to date Virtual Box (6.1.6 r137129 (Qt5.6.2)) Current up to date Ubuntu (20.04) Gave it 8GB of my 32GB ram, 128mb vRam Gave it 3 of my 8 cores, ...
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kvm: exiting hardware virtualization [duplicate]

I have used Linux on my old PC for a long time without problems. Recently I got a new PC with an Nvidia 1050 GTX graphics card. I tried to install Ubuntu, and the installation seemed to be fine until ...
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194 views

Can't Install Ubuntu 20.04 KVM Guest

I am trying to install Ubuntu 20.04 in the same manner I install all my other KVM guests, by specifying a web location to install from. It appears that no matter what web address I put in for the ...
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Error pops up when trying to start a vm in virtmanager

I'm using this repository as a guide to virtualizing on Ubuntu 20.04. The virtualized OS is Catalina 10.15.4. Error pops up when I try to open virtmanager and start the VM I created. Also when i try ...
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I can't start any virtual machine in virtualbox [duplicate]

I can't start any virtual machine in virtualbox.I get this error message every time when I try to start a virtual machine: NS_ERROR_FAILURE (0x80004005) ConsoleWrap IConsole {872da645-4a9b-1727-bee2-...
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UBUNTU VM lost DHCP and IP

Running UBUNTU on vmware workstation over Windows 10 as a host. slyubski@ubuntu:~$ uname -a Linux ubuntu 5.3.0-51-generic #44~18.04.2-Ubuntu SMP Thu Apr 23 14:27:18 UTC 2020 x86_64 x86_64 x86_64 GNU/...
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Getting Proxmox Virtual Machines with Networking working on So you Start (OVH) Dedicated Server

I just recently got a So you Start.com dedicated server. I want to set up some virtual machines in it and some LXC containers. I have created a Ubuntu 20.04 virtual machine and have been trying to ...
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Microphone stops working in libvirt

I had a Windows 10 running in libvrit (qemu) in ubuntu 18.04 which worked perfectly fine. I upgrade the ubuntu to 20.04 then I experience a problem with the microphone inside the VM. The mic works ...
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31 views

Is there a way to specify image permissions when creating an image using virt-install?

I'm using a virt-install command to create a .qcow2 image which is supposed to be used as a template. This template should be cloned (using qemu-img create) when certain functions in the framework I'm ...
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Trouble getting a bridge working with GNOME Boxes [closed]

I set up a Fedora VM using GNOME Boxes. I can launch it, everything's OK. I'm using virt-manager and I want to create a bridge so that I can get the VM on the network, but every time I attempt ...
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Can't install 20.04 on VirtualBox

I am on Windows and have created a new VM in VirtualBox. When I try to install the Ubuntu 20.04 iso I get an error. It seems to be complaining about SUbiquity. What am I doing wrong?
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an't see Apache running in a VM on a host from an external network computer

My issue is that I have multiple websites running on a server, and I want to move the webservers into VMs and run mail servers in VMs as well. My configuration is a host with Ubuntu 18.04 running ...
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1answer
32 views

VM questions from a beginner

Sorry if these questions have answers that should be obvious, but I am quite new to VM's and not well-versed at it. So I have installed Ubuntu 20.04 on my virtual machine and everything works, but I ...
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Missing option “install a minimal system” when installing Ubuntu server in KVM or VirtualBox

Normally when installing Ubuntu server after selecting the language you can press F4 to access alternative installation modes, and from there you can choose to install a minimal system as per the ...
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Build failure of VirtualBox Guest additions on arm64 machine with Ubuntu

There is a Virtualbox guest addition package. I can see Ubuntu provides the iso image of Virtualbox guest addition but when I try to build it from the source code on an arm64 machine, it fails. Am I ...
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163 views

Ubuntu Server 20.04 LTS as KVM host, cannot be accessed from subnets

Following various recipes I've build this topology. Intel CPU, one integrated NIC used for WAN, a quad-port PCIe card, only two used for LAN and TRUNK; Ubuntu Server 20.04 LTS as KVM host; pfSense ...
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54 views

Can I use virt-install for the new Ubuntu installer?

What I have understood so far, it's possible to use PXE mode(?) with the Ubuntu installer. Is it still possible to use virt-install? In the documentation, they refer to an installation using -c ...
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35 views

Is it safe to `zfs snapshot` my entire boot drive from root down?

Can ZFS be used like a virtual machine snapshot? Using, say, VirtualBox or VMM, I can snapshot a non-running VM before running and installing new software on it, and always revert back to a working ...
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238 views

Virt-manager QEMU/KVM

after updating to 20.04 I have "sudo systemctl restart libvirtd.service" every time. Can it be repaired? I tried remove and install again but it didn't work for me. UPDATE: It's the same even under ...
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installing ubuntu using virt-manager

In ubuntu 18.04 i installed virt-manager using this tutorial.Then install ubuntu 18.04(client) in virt-manager.After installation of ubuntu in virt-manager, the virt-manager ubuntu rebooted but it ...
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3answers
102 views

Ubuntu 18.04 and 20.04 on the same computer

I have installed Ubuntu 20.04 and I love it: it's really fast and great. However I have some software that is not yet supported and I need to have Ubuntu 18.04 on the same computer. What would be the ...
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34 views

Virt-Manager error to create an images qcow2 on an external HDD

I've installed Virt-Manager on Ubuntu 20.04 Desktop using the same tasks used on the 19.10. With this last one I didn't have any issue but on 20.04 when I try to create a VM on an external HDD I ...
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33 views

Failed to connect to Headless Virtualbox using rdesktop in Mac

I run a Linux server which is running Ubuntu-16. Now I installed Headless-VirtualBox to have Windows-10 as Guest OS within it. Everything went fine, I see the it is up as with below code - # ...
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29 views

virt-manager install ubuntu “booting from hard disk” message

In windows operating system I installed VirtualBox. In VirtualBox, I installed ubuntu 18.04(server).In this VirtualBox Ubuntu, I installed virt-manager and then install ubuntu 18.04(client) in virt-...
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95 views

FATAL: Module kvm_intel not found in directory /lib/modules/4.19.84-microsoft-standard+ when I try to enable KVM on WSL on Windows 10

I'm trying to enable KVM on WSL2 on Windows 10 x64 bit. I've found this tutorial and I'm following it : https://gist.github.com/offlinehacker/b1d96515f87a47bd0b0bea574eab5583 I've cloned and ...
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1answer
48 views

Is it possible to configure KVM on guest Ubuntu 18.04?

So my host system is Windows 10, and I prepared guest Ubuntu 18.04 system via Hyper-V, this was setting for React Native development, but when I tried starting up Android Emulator I got an error, that ...
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12 views

“Process excited while connecting to monitor”… Help please?

Every time I attempt to create VM/install Windows, I get the "timedout to keepalive" error message, but most of the time this is the error that I get: Unable to complete install: 'internal error: ...
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21 views

Installing Ubuntu 18.04.4 Desktop on Xen Orchestra from ISO

Newbie with Ubuntu and Xen Orchestra in general. I exported Ubuntu desktop iso in my iso storage on XOA, and set up a new VM via template loaded iso file. After starting my VM and success full install ...
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33 views

Unable to access location

This is what i got when i turn off my laptop and i am the only user: This what i got when i try to access another partition: Hello a few days I was try gnome-boxes and it didn't work and after ...

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