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Questions tagged [virtualization]

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

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Cannot execute Virsh command through SSH on Ubuntu 18.04

I am using Ubuntu 18.04 for KVM host. On a jumphost, I tried to execute virsh command: ssh user@ip "virsh dominfo vm1" I got an error: failed to get domain 'vm1' But this command worked well on ...
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19 views

Passthrough of Radeon 5450 to windows cannot allocate resources

I try to passthrough a Radeon 5450 GPU to a Win 7 guest from a Ubuntu 18.04 hots. I'm using machine type q35 when creating the VM with virt-manager because I read that it should be better for ...
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36 views

Nested Virtualization - ESXi 6.0u3 on KVM - Windows VM on ESXi hangs upon starting server manager

Host - Intel(R) Xeon(R) CPU E5-2630 v4 OS - Ubuntu 16.04.5 with HWE 4.15.0-29-generic. Qemu 2.5.0 Deploy ESXi 6.0u3 VM on KVM ESXi config - hv.assumeEnabled = "TRUE" vmx.allowNested = "TRUE" ...
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2answers
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Got error during installation of Oracle VM VirtualBox Extension Pack

I have Oracle VM VirtualBox 5.1.38 installed for long time: $ apt-cache policy virtualbox-5.1 virtualbox-5.1: Installed: 5.1.38-122592~Ubuntu~xenial Candidate: 5.1.38-122592~Ubuntu~xenial ...
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12 views

Routing with two interfaces on different subnet using GNS3 VM

I am having trouble connecting to routers inside my GNS3 VM from within the GNS3 VM itself. The GNS3 VM is essentially an Ubuntu 18.04 Virtual Machine that has the GNS3 service installed. This allows ...
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19 views

Windows guest's audio choppy in QEMU/KVM with virt-manager

I'm using QEMU with KVM in virt-manager, with a Windows 10 guest. I've noticed the audio to be very choppy, and will cut in and out constantly. After installing most of the virtio drivers for Windows, ...
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2answers
61 views

why do people use virtual machine to use ubuntu? [closed]

I'm learning ubuntu and my teacher is using vmware. I remember my friend partioning his laptop disc or something, when he booted up his laptop he had a choice to start with windows or ubuntu. How did ...
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26 views

Accessing Ubuntu via Remote Desktop

More specifically the way it looks via Remote Desktop. I've tinkered with Ubuntu for a long time, but wanted to try something new. I have a Scale HC3 cluster (KVM/qemu) and have Ubuntu installed in ...
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17 views

Unable to connect to Ceph Dashboard

I recently successfully configured and deployed a ceph cluster with 3 monitors, a manager and 4 OSD's and thought it would be nice to have the new dashboard aswell. Unfortunately it doesn't work for ...
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65 views

Virtual Ubuntu 18.04 gets slow over time

I was happily running Ubuntu 16.04 as a virtual machine using Virtualbox on my Windows PC for about a year. Recently I decided to upgrade that (with do-release-upgrade) to 18.04. The problem is that ...
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13 views

Virtmanager can't connect to libvirt

I was working with KVM and I had 6 VMs installed on NetFS. The virtmanager suddenly gives an error which I did not exactly read(but I talked about timeouts and connecting) and then it disconnected. I ...
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1answer
33 views

Pass-through of Marvell 88SE9230 to Xen guest with AMD-V iommu

I have a Gigabyte GA-970A-DS3P board with a AMD FX(tm)-8350 cpu. I have IOMMU enabled in the BIOS. For the non-XEN linux boot I pass iommu=pt amd_iommu_dump as a kernel argument and can verify that ...
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1answer
28 views

How to find out which interface name to use?

I'm setting up an Ubuntu 16 LTS on Proxmox, /etc/network/inetrface file shows only default: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback I'm adding this: allow-...
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1answer
33 views

Problems starting libvirt daemon in Ubunti 18.04

I'm trying to run virt-manager to connect to Xen. However its not possible to start the libvirt daemon. When starting /usr/sbn/libvirtd via systemctl start libvirtd or by starting /usr/sbin/...
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22 views

How can I make Gnome pass the super key to desktop viewers?

TLDR: Gnome always eats the Super key. How can I make it stop for certain applications? Long version: I'm running 18.04, but this has been an issue for about five years, and I'm sufficiently fed up ...
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Creating bridge on Ethernet to USB device while having internet connection

I want to create bridge on ubuntu 16.04 for KVM guests. I can see in many posts how to bridge to an ethernet port. When I create a bridge (in /etc/network/interfaces) and set it up, the bridge is ...
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Created network bridge in KVM and now I have no internet if my VM isnt running?

Ok guys im not sure what went wrong here, but Ill start at the beginning. I created a Windows 10 VM through Virtual Machine Manager, I needed the Win10 VM on my main network, so I created a bridge ...
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51 views

How to virtualize a windows device (/dev/sda2)

i'm using a dualboot windows/ubuntu 16.04, is there a way while i'm on the linux OS, to mount the windows (/dev/sda2) device and then use some kind of virtualization app to run it from my linux? ...
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1answer
53 views

Ubuntu 16.04 installation hangs due to intel_rapl

I was trying to make a preseeded ubuntu-16.04-server-amd64 install on my KVM. Though the standard server iso install worked perfectly fine but, after preseeding, the vm hangs on the first boot due to: ...
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1answer
77 views

Android Studio emulator will not launch in Ubuntu 16.04

I have a problem with my ASUS G53jw PC. Its chipset and CPU are rated to support virtualisation, which is enabled in the BIOS/Setup. To confirm, I ran egrep -c '(vmx|svm)' /proc/cpuinfo which returns ...
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36 views

Cannot add connection in virt-manager (KVM) in Ubuntu 16.04

I tried to add connection with default settings. I did reboot after installation of virt-manager, VirtualBox works, my account is member of libvrtd group. I'm getting this: Unable to connect to ...
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1answer
70 views

Create bootable USB drive from virtual machine (KVM)

I know there are several similar questions but I couldn't find an answer to my situation. I use Lubuntu 16.04 in KVM and want to write this VM to a USB drive and boot from it. For this I executed sudo ...
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23 views

Can't install VirtualBox guest additions to Ubuntu 16.04 guest [duplicate]

Can't install guest additions to Ubuntu guest. Host & guest OS are Ubuntu 16.04.4. Latest Ubuntu & VirtualBox updates installed with apt-get update && apt-get dist-upgrade. Mounted ...
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1answer
14 views

VM-Ware Virtual Disk recognized as /dev/sd[a-p] in Ubuntu

Ubuntu 18.04 LTS is installed on an ESXi at home. The disk is sda sda1 sda2. However, another Ubuntu 16.04.4 LTS installed on Tencent Cloud(possiblily Xen) shows the disk as vda vda1. I know that ...
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39 views

Virtualbox failing to create IP addresses for imported VMs

I'm trying to learn more penetration testing skills by testing myself against a prebuilt vulnerable server. However, when it comes time to connect to the guest server through the host OS (ubuntu 18.04)...
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14 views

Host cant ping vms using virbr1 but works fine for the ones using virbr2

I am unable to ping or connect to vms using virbr1. It works fine for the ones using virbr2. I am able to connect to vms in virbr1 using the internal ips (192.168.100.x) , but they dont respond to ...
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2answers
65 views

Make virt-sysprep not require sudo

I'm currently running virt-sysprep -v -x -d LOCALVM --hostname LOCALVM --root-password password:123456 But it errores out saying virt-sysprep: error: libguestfs error: guestfs_launch failed, see ...
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1answer
31 views

Whats the difference between virsh destroy and virsh undefine

I am new to servers and vms wanted to know the difference between virsh destroy and virsh undefine
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1answer
72 views

systemd.network virtual interfaces

I have a dedicated server running Ubuntu 18.04, which is using systemd.network to manage its networking. The server has only one physical NIC. The hosing provider has allocated two IP addresses and ...
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349 views

netplan bridge: no connection to/from virtual machine

I'd like to setup a bride on my host(ubuntu 18.04 server) to get a connection to the internet from/to my virtual machine (also ubuntu 18.04 server), both with netplan. The host is a dedicated machine ...
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1answer
38 views

How to manually install vboxdrv?

I remove the vboxdrv while encountering the virtualbox problem and I didn't find a way to get the vboxdrv back. So how do i make it install or add again?
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1answer
115 views

unable to access Virtual network editor - Workstation 14.1 Ubuntu 17.10

I've just installed VMWare Workstation 14 on My PC with OS Ubuntu 17.10. When attempting to run it via the vmware workstation (Edit > Virtual Network Editor), ask me password and nothing happens. ...
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1answer
59 views

Where did QEMU come from in my Startup Disk Creator?

Yesterday I was playing with Startup Disk Creator in Ubuntu 16.04. After doing a Live install to USB, I noticed a "Test Disk" button. I never noticed this button before so I pressed it. A QEMU ...
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How do I identify Ubuntu VM is running in which cloud (VMware, AWS, Google) from Ubuntu CLI? [duplicate]

I need identify Ubuntu VM is running in which cloud (VMware, AWS, Google) from Ubuntu CLI?
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1answer
110 views

Landscape_install_error

While trying to install the Landscape(17.03) on to my VM (Ubuntu 18.04 server), I am getting the below error and I tried the option given on ubuntu sties. venu@landscape01:~$ sudo apt-get install ...
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52 views

how to update ruby-net--ssh

I am trying to get Vagrant work, but it throws me an error, exactly described here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=890662 But I got Ubuntu-based distribution. How to update ruby-...
2
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1answer
69 views

libvirt/kvm guest failing due issues in the ApparmorProfile

Why is my guest failing to start / failing to attach a device with this apparmor profile error. Start: error: Failed to start domain c error: internal error: cannot load AppArmor profile 'libvirt-...
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1answer
22 views

How can I force a consistent Partition UUID across virtualised/native boot or somehow get the new one

Im running 1804 with win 10 in a dual boot setup. both installs are on the same physical disk, on different partitions. Now I recently managed to get my ubuntu partition booting from the windows host ...
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61 views

How can I reset the network settings on Ubuntu server 18?

So I messed up on my network settings on my Ubuntu server virtualmachine but I don't remember what I did and I'd like to know how to reset my network settings back to default?
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41 views

VM fails to start after reboot in virtual box running on a Linux host

I am new to Linux and trying to learn it in any possible way I could. So what I have done is - I have dual booted Ubuntu and Windows with Ubuntu on a separate HDD which is working fine. The issue I ...
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1answer
66 views

Reinstalling Windows in a virtual machine

I have an old computer (from 2012) with lots of RAM, which works fine. I bought it with a Windows 8 license, which has since been upgraded to Windows 10. In the last couple of years it went for too ...
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1answer
48 views

How to run libguestfs-tools tools such as virt-make-fs without sudo?

The project page http://libguestfs.org/ claims that we can do operations without sudo, which is awesome. However, if I try it out: sudo apt-get install libguestfs-tools mkdir sysroot # Just a test ...
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1answer
368 views

Unable to get Android Emulator to start / how to get permissions set right to Kvm

I can no longer get my Android emulator to launch. Virtualization is enabled through the BIOS. When I launch through the command line, I get the following: nin@nin-Gazelle:~$ cd Android/Sdk/tools/ ...
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Ubuntu 18.4 PCoIP agent (new to ubuntu, many years since I last used linux)

I'm trying to build a Ubuntu 18.4 or 16.4 TLS virtual machine in esxi 6.7 vsphere environment with View Horizon 7.5. Unable to connect to vm with PCoIP is there anyone who has been able to connect to ...
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MAAS doesn't detect the new storage size changes

I have upsized one of the VMs (virsh)'s storage, this VM is a node in MAAS, how can I have MAAS to see this node's new changes? MAAS version: 2.3.3 virsh version: 1.3.1
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1answer
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MAAS auto creates an old deleted node

Do anyone know how to stop MAAS from creating node (that has been previously deleted)? Everytime I delete the node, it auto creates it with the same specs which consumes too much resources, I am ...
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1answer
682 views

Run Windows (for Steam in-home streaming) and Ubuntu (for my other applications) on my server simultaniously

I use a server now for Plex and some other applications I'd rather run in Linux. But I'd also like to use my server for Steam in-home streaming and a lot of my games only run on Windows. Can I run ...
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1answer
64 views

Create local virt-manager storage pool

I want to create a storage pool for virt-manager's qcow2 images in my home directory but I get a strange error: Error creating pool: Could not define storage pool: XML error: name /home/matthias/...
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35 views

Having trouble running a Windows VM through KVM

I've been trying to run Windows as VM over KVM. I got the ISO from the page on MS, and have converted it to a QCOW2 image. I created a VM of it, and it showed the Windows boot logo. However, then I ...
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Adding a running qemu vm to virsh list

I'm running a vmdk image using qemu-system-x86_64. How can I attach libvirt to this running image? Thanks for help