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

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I need to set apt-build mtune directive on VPS ubuntu server

I need to set the right architecture for apt-build to work, in a VPS environment. Here's cpu-info detailed: processor : 0 vendor_id : GenuineIntel cpu family : 6 model ...
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1answer
32 views

Open-source virtual machine apps supporting larger VRAM than 256 MB

I have tried Virtual Box running Windows 10 with it, but all i get is 256 MB of video memory, while I have a 4 GB VRAM video card. When I try with VM Ware the video memory is increased to about 3GB ...
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3answers
9k views

How to get the GRUB using virtualbox?

I have ubuntu-12.04 on my virtualbox and I have two kernels in /boot (old and new). When I restart the vbox no grub appears to choose! and the result of cat /proc/cmdline still shows the old kernel is ...
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18 views

GPU passthrough to multiple vm's

I am just wondering if anyone here knows if it it possible to pass a single GPU onto multiple virtual machines one at a time? Basically what I'm thinking is if it is possible to have two virtual ...
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1answer
23 views

Changing Network Adapter in KVM

I'm building a server to be deployed on a KVM host in the near future. I'm building the machine on my personal laptop in KVM using the virt-manager GUI for KVM. To begin with I kept most of the ...
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1answer
46 views

Issues with QEMU GPU passthrough on ubuntu 14.04 LTS

I am following a tutorial on how to run a VM that can use my GPU and I have run into a problem. Here are links to the tutorials https://www.youtube.com/watch?v=w-hOr44oBAI ...
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1answer
39 views

Keyboard not working in Hyper-V gen 2 vm under Server 16.04 installer

According to Microsoft, Ubuntu 16.04 is essentially fully supported under Hyper-V generation 2 VMs. Evidently that is a false assertion, because my keyboard doesn't work in a gen 2 VM. The keyboard ...
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1answer
58 views

Ubuntu KVM Server Won't Create SR-IOV Virtual Interfaces

I'm working on a Ubuntu KVM server. It's Ubuntu 14.04 LTS with kernel 3.19. The motherboard is the Gigabyte ga-990fxa-ud5 r5 with bios ver. 3. I have qeum/kvm 2.2 installed. I have IOMMU on in the ...
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1answer
48 views

keep memory usage low Ubuntu 16.04 Server guest VM

I have an Host Machine running KVM+QEMU and multiple guests. All Guests are running Ubuntu 16.04 (virtual machine installation). My current problem is, that the host memory consumption (via htop) is ...
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0answers
10 views

How does passthrough mode work in 9p (libvirt/QEMU)?

9p docs at QEMU wiki say that in passthrough mode files on host filesystem are created with guest access credentials. How is that possible? Suppose my guest has user vagrant:vagrant and host doesn't ...
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2answers
5k views

Vmware shared folder not working in ubuntu 13.10

I installed Ubuntu 13.10 64 bit in Vmware workstation 10 but the shared folder is not working in Ubuntu 13.10,while it works perfectly in Ubuntu 13.04. I reinstalled Vmware tools several times but it ...
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1answer
40 views

How do I test an application in Ubuntu, without affecting the system?

I would like to know what is the best way to test application (packages). Because some packages may damage the system. How can do that, in Windows there is Sanboxies for such tests. In Ubuntu I don't ...
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0answers
34 views

VMware - starting services failed

I have some issue running VMWare Workstation Player 12 on Ubuntu 16.04 LTS. First I downloaded and installed VMware-Player-12.1.1-3770994.x86_64.bundle using this command: chmod +x ...
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2answers
4k views

Ubuntu 12.4.1 failing in vm both Vbox and Vmware on new HP Envy 4t-1000

Brand new to Linux, getting frustrated trying to get an environment up with Ubuntu. My primary goal is to learn Linux and Apache/PHP development. I need to keep my Windows OS as main on my machine for ...
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3answers
17k views

VirtualBox kernel modules do not match the version of VirtualBox

The VirtualBox 4.2.12 on Ubuntu 12.04 was running fine till I needed to install guest additon. After its installation: Failed to open a session for the VM Win 7 exit code 1; RTR3Init failed with ...
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3answers
643 views

Error installing Ubuntu 14.04 in KVM

I am new to Linux world so please do not be very harsh with me. I have VSphere in which I installed Centos7. Inside it, I want to install Ubuntu Trusty Thar using Virtual Manager. I created a virtual ...
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1answer
83 views

Network Bridge inside VM for LXD

I use ubuntu 16.04 in a kvm virtual machine. For lxd containers I try to make a network bridge, so the containers are available in our local network. The interface file looks like this: auto eth0 ...
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2answers
311 views

Vagrant ssh (terminal freezes)

I have virtual machine with vagrant and ansible, when i connect to virtual machine with vagrant ssh, the terminal always freezes if i don't type something, the terminal is freezed. I can't type ...
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2answers
47 views

Guest system does not see the updated disk size in VirtualBox

In the last time on every start of my Ubuntu 14.04 VM I'm getting the message Low Disk Space This computer has only 314.8 MB disk space remaining. You may free up some space by emptying the ...
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1answer
35 views

9p (libvirt/QEMU) share modes

Can anybody explain what share modes - default, mapped, passthough, squashed - mean in libvirt/QEMU configuration? I've got this share in passthrough mode. I see that inside VM it is owned by ...
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0answers
40 views

Unable to install VMware kernel modules in Workstation 11 on Ubuntu 16.04

I am unable to install VMWare Workstation 11 successfully on Ubuntu 16.04 due to the Kernel Module Updater failing on the Virtual Machine Monitor and Virtual Network Device. Here is the log file that ...
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0answers
50 views

unable to create virtual machine on xen

I am trying to create virtual machine on xen but getting error here is my ubuntu-hvm.cfg file builder = "hvm" name = "ubuntu-hvm" vif = [] memory = "512" vcpus = 1 disk = ...
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2answers
36 views

How to run the GParted Live CD image?

I downloaded the gparted-live-0.26.0-2-i686.iso from the Live CD page and added to my VM: A double click on the CD icon on the Desktop only opens the image folder. The option "Open With Run ...
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0answers
21 views

Xen USB passthrough not doing anything

I'm trying to create a DomU with Xen 4.6.0 for a Windows 8.1 virtual machine. After successfully setting up Xen, and being able to run my Windows 8.1 ISO in it, I wanted to be able to connect an ...
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1answer
149 views

installing and using android studio with virt on ubuntu 16.04

It will be better if there's a step by step installation for android studio and qemu vm. Cause i'm going through hell trying to fix a lot of ish here. Tried umake android 'android-ndk' That's using ...
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0answers
9 views

Virtualised Collaboration Network

I've been asked by my work to design, build, and test a virtualised collaboration system to replace what we currently use. It will be used by a team of 5 to reverse engineer malware. We currently ...
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0answers
26 views

Suspend virtual machines on shutdown (Ubuntu 16.04)

I would like to save the state of the kvm vms when the host is shutting down. I think i found a way to do that, but at the moment it does not work correctly. In /etc/default/libvirt-guests i set ...
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3answers
8k views

Enabling shared folders with open-vm-tools

I'm running Ubuntu 14.10 in VMware Player on Windows 7. I have installed open-vm-tools instead of VMware Tools because VMware's software was unable to compile the kernel module required for file ...
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2answers
9k views

VirtualBox USB device error NS_ERROR_FAILURE (0x80004005) on Ubuntu 14.04 x64 VirtualBox 4.3

I have been trying to connect my new Boogie Board sync to a virtualbox 4.3 virtual machine running on an ubuntu 14.04 host. I keep running into this NS_ERROR_FAILURE (0x80004005) and have not been ...
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0answers
27 views

New person looking for help with GPU Passthrough please?

I'm really new to linux, and I will just start off saying that I'd much rather use Ubuntu Cinnamon or Mate, I highly dislike the original Ubuntu desktop. That being said, I'm looking for help with ...
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1answer
167 views

Virtual GPU for Ubuntu 16.04 Clients on VirtualBox

Assuming the host OS has a GPU, can anybody tell me if Ubuntu 16.04 clients run using VirtualBox will be able to make use of the GPU through virtualization? I read that GPU virtualization is only ...
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2answers
7k views

How to share a directory between ubuntu host and windows guest with kvm?

I read several posts or articles which deal with this but all give a solution for linux guest. For example : http://www.linux-kvm.org/page/9p_virtio ...
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1answer
56 views

xrdp+xfce to install virtual machines in KVM - keyboard does not work

I recently installed Ubuntu 16.04 on my HP DL360. This is my test server for my virtulisation platform for testing. Thus I configured xrdp+xfce for remote access from my windows laptop. So far so ...
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1answer
25 views

Ubuntu Installation to VM = write the changes to disks?

I'm trying to install Ubuntu in a virtual machine. I click "erase disk and install Ubuntu" and click "install now". Then a dialog pops up which reads the following: Write the changes to disks? ...
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3answers
184 views

How to remotely access website in my virtual machine?

I have installed VirtualBox and a guest machine with Ubuntu. From my host Ubuntu, I can browse to 192.168.56.10 and see webpages inside my guest Ubuntu server (and I can ssh user@192.168.56.10 into ...
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1answer
39 views

Why can't I see a QXL device in my windows 10 kvm guest

I've been following the instructions here: http://www.spice-space.org/page/WinQXL To try and install the QXL driver on a windows 10 guest on an ubuntu machine with KVM. The instructions mention that ...
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2answers
3k views

xen hypervisor wont boot from grub and “Can't find hypervisor information in sysfs!” error ubuntu 14.04

I have used This forum, trying to run xen on my os: steps i have done : egrep '(vmx|svm)' /proc/cpuinfo ouput = 4 and also i have run KVM virtualization with no problem. then: sudo apt-get ...
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0answers
41 views

how do I install qemu on my bq Aquaris M10?

I am trying to install scrivener (windows, or Linux) on my bq Aquaris m10 tablet. The problem is that scrivener is only written for amd/x86 hardware, and my tablet is arm. The good news is that this ...
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0answers
61 views

No console login prompt in Xenial VM on KVM host

I just installed a fresh VM using Xenial beta mini.iso installation like I do for any Ubuntu based VM on my KVM based virtualisation host, but this VM doesn't show console login prompt on (KVM) VNC ...
11
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1answer
19k views

How to enable nested virtualization in ubuntu

I would like to do some lib testing on my OS. So I need several environment to run KVM. And I found my guest machine was not able to run KVM. I was using virtualbox 4.2.
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0answers
19 views

How to access kvm guest on a remote headless ubuntu server?

How do I access - the console (like Dell's iDrac) of a kvm guest (created using virt-install) on a remote Ubuntu15.10 headless server - access from a windows desktop (vnc client)?
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1answer
63 views

How do I restore a Virtualbox VM from backup? (qcow)

I have backed up the contents of the directory "VirtualBox VMs" and now I am trying to restore the states of my virtual machines by copying the backed up files, back. Now when I select "Machine" -> ...
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1answer
26 views

Ubuntu Server can't boot

I have created an Ubuntu 16.04 Server image with python-vm-builder but when booting it hangs at Booting from Hard Disk. Here's the vmbuilder log: http://termbin.com/bkar What is wrong? UPDATE: ...
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0answers
18 views

nVidia 8800 GTX - GPU Passtrough

Is it possible to get nVidia 8800GTX to QEMU VM? I have CPU and Motherboard with VT-d support and two GPU. One (main) is some ASPEED GPU, other 8800GTX. I look through possible guides with no luck. ...
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0answers
29 views

How can i migrate a KVM virtual machine from an ubuntu server 12.04 to a fresh install of ubuntu server 16.04?

I have recently installed a fresh copy of ubuntu server 16.04 on a separate partition on my harddisk. My headless server is still running 12.04 as well with several services in virtual machines (e.g. ...
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1answer
4k views

How to take advantage of VirtualBox paravirtualization in an Ubuntu guest?

I have an Ubuntu 14.04.3 (with linux-generic-lts-vivid (3.19) kernel) 64-bit host, and a VirtualBox guest with the same OS and configuration. The host has an AMD A10-7800 CPU. If I enable the KVM ...
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1answer
136 views

KVM + Xenial Server. libvirt-bin won't configure

I just (foolishly) completed the upgrade from 14.04.4 to 16.04. Apparently there's a bug due to the introduction of systemd that breaks libvirt... or I've broken aptitude. Is there a workaround or fix ...
5
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3answers
10k views

How to use Ubuntu-provided virtualbox package after uninstalling virtualbox-4.1?

I installed Oracle Virtualbox per the instructions on the Oracle website, but can't use XP or Ubuntu VMs after switching back to the Ubuntu standard version. To switch back, I have edited ...
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0answers
21 views

Does anyone have experience with virgil3d?

I checked out the git page for the project, and the website is just a github.io page linking to repository and #virgil3d on freenode. I hopped on freenode and no one has used it yet. It appears only ...
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1answer
47 views

How do I permanently disable notifications about Auto capture keyboard and Mouse pointer integration for a Virtualbox VM?

I have installed Ubuntu 16.04 on a VirtualBox VM. Now every time I boot it, I get two overlay notifications from VirtualBox: You have the Auto capture keyboard option turned on. This will cause ...