Questions tagged [virtualization]

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

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/sys/kernel/security/apparmor/profiles set to -r--r--r— but not readable by non-root user

I've tried to upgrade from gnome-boxes 3.28 to 3.32 but it keeps crashing because libvirtd is not able to access: /sys/kernel/security/apparmor/profiles This is the terminal output: user1@pts:~: ...
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47 views

CPU does not support KVM, but I want to run android emulator in Ubuntu 18.04 on HP Computer

I have set up my react Native environment on an HP UEFI Computer running Ubuntu 18.04. When I try to run an emulator using AVD, I get the following error: Starting emulator for AVD '...
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1answer
40 views

how to install KVM in Ubuntu Virtual machine?

I've tried to install KVM in an Ubuntu virtual machine (versions 19.04 and then 16.04) and in both cases I get the same error: INFO: Your CPU does not support KVM extensions KVM acceleration ...
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16 views

Attach multiple physical Interfaces to a KVM VM

I am trying to set up multiple VM's on a Server with multiple network interfaces via KVM and network bridges. The idea is to have a Bind/ISC Server with an IP on Bridge#1 that assigns IP's and ...
1
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1answer
51 views

how to improve Ubuntu 19.04 desktop performance on VMWare workstation?

I installed the latest version of ubuntu desktop on my VMware workstation and it's awfully slow. In order to open firefox it takes like 10 minutes and then another while to enter a url. Can I change ...
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25 views

Ubuntu 18.04 guest VM is receiving packets out of order when configured for promiscuous mode

The Ubuntu VM is running on an ESXi 6.5 Host and is configured with 2 VMXNet3 adapters. One of the NICs (within the VM) is configured for Promiscuous mode. The associated vSwitch is tied to a ...
2
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1answer
28 views

How to install Xen Project on Ubuntu Server 18.04.3 LTS?

Was following the instructions on this page but got stumped on the second step: Using bridge-utils $ sudo apt-get install bridge-utils In a bridged setup, it is required that we assign ...
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19 views

cloning a .vdi file using virt-clone

I'm trying to clone .vdi file on ubuntu 18.04 using the following command virt-clone --auto-clone -o "/home/simon/VirtualBox VMs/Win7_E5570/Win7_E5570.vdi" -n tmp.vdi and am getting this error ...
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1answer
91 views

Ubuntu server network auto configuration failed

I am trying to install ubuntu server 18.04 inside proxmox. At the network configuration page, ubuntu complains that autoconfiguration failed and gives me the choice to continue without networking. The ...
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37 views

Is there a KVM GUI for headless Ubuntu Server 18.04 LTS?

I want to be able to install and run virtual machines on my headless Ubuntu server, but I don't want to use the cli as there are far to many switches to memorize that can create far to many typo ...
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19 views

How do I run different ubuntu versions in a virtual machine? [duplicate]

Been looking into Cinnamon, Mint, and MATE and want to run them in a virtual machine but I'm struggling to get the ISO's to run them in a VM from downloads. I think I'm doing something wrong but ...
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1answer
53 views

KVM Windows 10 guest no SMT/Hyperthreading

KVM (Kernel Virtual Machine) Ubuntu 18.04 MSI MPG x570 Gaming Plus Ryzen 5 3600 Nvidia RTX 2070 Super I am utilizing GPU passthrough, the purpose of this setup is to give me optimal performance in ...
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1answer
39 views

Fullscreen enabled in Ubuntu Virtualbox VM without Guest Additions

Trying to delve into web application hacking, I installed a dedicated Virtual Lab set up by the academic SEED project. The pre-built VM (based on Ubuntu 16.04) was already configured with everything ...
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31 views

GPU passthrough on Ubuntu 18.04

TL;DR: The computer freezes whenever GPU pass-through is used The virtual machine works fine booted without GPU pass-through, but when I firstly booted using GPU pass-through my screen had no output ...
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1answer
18 views

Transfer files between host and guest using virtio-serial

I have a Windows 10 guest with very limited network access (limited by Check-Point VPN firewall) which I access through the spice viewer. But I need to transfer files to/from the guest. I tried to ...
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1answer
37 views

Run Virtual Machine Windows

I have a laptop running Windows 10 and Ubuntu. I'm studying programming based on the .NET framework, so I need to run Visual Studio. I'd like to either somehow, install Visual Studio in Ubuntu or run ...
3
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1answer
64 views

Does docker consume CPU the way VMs do?

Apart from looking at docker stats, I want to know how docker consumes physical CPU or where will it be classified between CPU User, CPU System and CPU Guest, etc, stats? I am collecting metrics ...
0
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1answer
36 views

Ubuntu 18.04 with routing but need VM bridge

I have set up routing on my Ubuntu 18.04 desktop box. I have one dedicated ethernet port for my internal network that serves DHCP. I have my wireless NIC set up for internet access. Network works ...
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0answers
107 views

Ubuntu 1904 does not boot from LiveCD on Hyper-V in AMD Ryzen. No problems in 1804 [duplicate]

When booting 1904 LiveCD from a Hyper-V VM, I get some error messages: Spectre V2:Spectre mitigation: LFENCE not serializing, switching to generic retpoline Couldn't get size: 0x800000000000000e ...
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0answers
75 views

VirtualBox6, Ubuntu 18.04LTS very slow, despite good resources

I set up an 18.04.2 LTS Ubuntu in VirtualBox version 6.0.10 r132072 (Qt5.6.3), and it is horribly slow. It feels like the refresh rate is around 2-3Hz somewhere. 8 logical CPU cores, 100% execution ...
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25 views

KVM console does not have Floppy icon

I'm trying to user KVM console on Ubuntu 18.04. So I installed Icetea in order to open the spider.jnlp file, but as you can see below the console does not have a Floppy Icon, as it does on Windows. ...
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55 views

Ubuntu 19 installation on virt-manager freezes

Whenever I try to install Ubuntu 19 on my virt-manager it freezes. I installed Windows 10 yesterday and it went fine, and I have other working ubuntu 18 instances which also work fine. How can I ...
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26 views

How to passthrough GPU to virtualize Win10?

I have a 6700k + Msi Nvidia Gtx 1070. For work reasons 2 weeks ago I installed Ubuntu 18.04 lts like stable and only OS on my system. Now, for work reasons too, i have to use windows, not so much, ...
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1answer
23 views

pci device id is different in vm when using passthrough

I am trying to set up SRIOV for a network card on Ubuntu 18.04 I seem to have done the IOMMU configuration correctly and I can add a PCI device to a VM without errors, however I am facing a problem ...
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0answers
81 views

Recommended way to install older version of Java (Java 8) in Ubuntu 18.04 (with flexibility to upgrade 18.04)

I am aware of how to install Java 8 in Ubuntu 18.04. The issue is that, now I want to upgrade to say Ubuntu 19.04, but Ubuntu is not letting me do it unless I update openjdk as well. $ sudo apt list -...
2
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1answer
86 views

How do I resize partitions when I don't have physical access to a remote server?

I have a: cloud instance remote server Virtual Machine ... of Ubuntu to which I don't have physical access and I need to resize mounted partitions like / that I cannot dismount! All the tutorials /...
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41 views

Virtualbox only showing blinking cursor after starting

I set up a windows 10 64 bit virtual machine, selected a win 10 64 bit ".iso" in the virtual CD drive, but it only shows black screen with a blinking underscore. I also downloaded an ".ova" file and ...
3
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1answer
121 views

Running minikube on ubuntu in virtualbox

I have installed Ubuntu on VirtualBox in Windows 10. I have also installed a Virtualbox and minikube on Ubuntu. But when I try to start minikube it returns an error saying that Virtualbox cannot be ...
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1answer
26 views

Unable to ping or rdp from UBUNTU 18.4.2. HOST to KVM windows7 Guest VM -but able to ping to other linux guest centos

Unable to ping to only Windows guest. able to ping to other guest. HOST os Ubuntu 18.4.2 What i did so far- Tried to change device to virtio,rtl8329,e1000 Internet is working on guest. Windows 7 ...
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23 views

virsh edit has no impact on domain

I am using virsh edit to edit a domain. After edit it says Domain ubuntu18.04 XML configuration edited. However, reopening the domain with virsh edit shows old file. The domain is also turned off. ...
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88 views

Installing Qemu from source causing error

I am trying to run Qemu-4.0 installed from source code. When I run virt-manager to create a VM, I get the following error: Unable to complete install: 'internal error: process exited while ...
0
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1answer
82 views

Apparmor permission for libvirt-qemu

I am trying to run custom build qemu with libvirt. However, every time it fails due to apparmor permission. dmesg shows that: [ 82.818348] audit: type=1400 audit(1563507497.685:181): apparmor="...
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1answer
71 views

How to Setup the Network Interface from Ubuntu / KVM to Connect to Windows 7 VM

i want to create a Gameserver in a Windows VM on my Ubuntu 16.04 Server with KVM. I have already installed the vm and it is running properly. I deactivated the Windows Firewall directly in the VM. ...
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2answers
315 views

How to enable virtualization, Ubuntu 18.04 in VirtualBox on Windows 10?

I'm running Ubuntu 18.04 in a VirtualBox on a Windows 10 machine. I'm trying to create and test a Docker swarm by creating a couple virtual machines on my (virtual) Ubuntu OS. (I know, I know. VMs on ...
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0answers
134 views

cannot ssh to guest from host using Qemu

I am using Ubuntu 18.04.2 in both host and guest machine. I have created the virtual machine using libvirt. During VM creation I did not establish ssh from host to guest using libvirt. I am trying to ...
1
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2answers
90 views

Which packages cannot access physical hardware under virtualized environment?

I'm running Ubuntu under virtualized environment (as a guest of VMware ESXi, HyperV or KVM). Which packages should I delete that are not needed under virtualized environment since a virtualized guest ...
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0answers
59 views

virsh cannot set bridge Operation not permitted

I am trying to enable the default libvirt network to be able to create a vm. However when i try to start the default network, this occurs: sudo virsh -c qemu:///system net-start default error: Failed ...
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0answers
12 views

How to connect guest to NAT network but not VPN

I'm using virt-manager and qemu for guests. Right now I use the default NAT network, which works fine, but I have a VPN on the guest and a different VPN on the host, which causes the traffic to get ...
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0answers
47 views

How can I make a second HD separately bootable?

I have a UEFI laptop with 2 HD successfully configured to dual boot Windows/Linux, using GRUB. The factory installed disk has Windows (+ GRUB), while the second is essentially Linux. (there is a small ...
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1answer
67 views

Is it possible to run a desktop GUI VM Container on linux with any linux image

Looking for way to create virtual gui desktop container inside container e.g docker or LXD whichever is better
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100 views

Which is best: Linux as VM with type 1 / type 2 hypervisor / dual-boot / live Linux? Need to run CUDA-enhanced prog for Linux on a laptop with Win7

I have a laptop with Windows installed that I want to keep but occasionally I need to run a program made for Linux that also requires GPU-enhancement with CUDA, i.e. Nvidia card is necessary. Finding ...
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0answers
82 views

18.04 - Virt-Manager: Spice/VNC monitor doesn't work

The SPICE/VNC monitor that appears whenever a VM is clicked on in virt-manager is now broken for me. Whenever that window is called, a message briefly appears saying: Error connecting to graphical ...
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1answer
87 views

Running Multiple VMs in VMware workstation

Is it possible to run multiple VMS simultaneously in VMware Workstation Player 15 The documentations seems to suggest No. "VMware Workstation Player is an ideal utility for running a single virtual ...
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1answer
34 views

How to Configure for Intranet Only Access? Apache, Ubuntu Server 18.04, Hyper-V VM

I have a Ubuntu 18.04 Server running Apache on a Hyper-V VM. Right now as it's set up it can be accessed from anywhere on the web, how do I restrict access to the internal network only for setting up ...
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24 views

Created bridged interface but I can't connect through it

Just to preface, I'm trying to do this on an Ubuntu Server 18.04.2 that is a VirtualBox guest on my Win10 machine. Alright, on my Ubuntu guest, I'm trying to create a bridge interface for enp0s3 (...
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0answers
24 views

Wi-Fi interface is not detected

MacBook Pro laptop with OS last edition. VMware Fusion with Ubuntu 18.04.02 LTS. Why don't I see the WiFi interface? manuele@m-machine:~$ iwconfig lo no wireless extensions. ens33 no ...
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0answers
59 views

KVM Can ssh from host not other computers

I have set up kvm/quemu on a server. I followed the guide and it worked with one exception. I can only ssh to the vm's through the server that kvm is running. If I use my laptop I cannot. I have ...
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0answers
126 views

Ubuntu 19.04 as virtualbox guest on Win10 host, seamless mode not working correctly

I am trying to run a Ubuntu 19.04 VM on Windows 10. I have the guest utils installed, and everything seems to be working, including being able to switch to seamless mode. The problem is when I ...
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1answer
88 views

How do I schedule a Python script to run in a Linux VM?

I tried using crontab but didn’t work. Also, do I need a nohup to keep it running after exit the SSH connection? 02 19 * * * /usr/bin python3.7 myScript.py
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1answer
45 views

Restrict access of kvm guest to selected IPs

I have a kvm guest using nat (usermode networking). Because virsh in ubuntu 18.04 does not support netcf I cannot use nwfilter to control the traffic of the vm. How can I restrict the access of the ...