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

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3
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121 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
1
vote
2answers
87 views

Why do I get internet connection without a defined interface?

I have an Ubuntu 14.04 virtual machine. I set the NAT networking option to it. Without any further changes, I can access to internet from my VM. When I run: cat /etc/network/interfaces I get this: ...
0
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0answers
31 views

What is the best solution for virtualizing win32 applications on a linux host?

I currently have a linux server that handles operations for windows clients and I need a way to share a windows application (somehow installed on the linux server) through the server's VPN to a ...
0
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0answers
112 views

Ubuntu VM won't boot: “No init found .Try passing init=bootarg”

After restarting a server, I got to restart some VMs hosted on it. But a Ubuntu VM won't start: here's what shows up after running the VM via Virtual Manager: Boot from (hd0,0) ext4 ...
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0answers
15 views

Can we add ports to OVS AFTER the VM is created?

I wanted to write up a program where I can create VMs first using libvirt. Initially they would not be added to any network. Then I want them to be attached to an OVS bridge where I can specify the ...
2
votes
1answer
423 views

kvm guest network problems

I had a server running kvm that was upgraded from ubuntu 13.10 to 14.04 and since the upgrade after a couple of hours (in some cases less) the guest machines (a mix of linux and windows, using both ...
1
vote
1answer
60 views

How to move an Ubuntu VM from Windows host to Ubuntu host?

I am running Ubuntu (12.04) virtual machine (on VirtualBox). My host machine is Windows 7, however. I need to move (copy ?) my Ubuntu VM in its current state into an other computer where the host ...
0
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0answers
106 views

Ubuntu and Xen. Disable standard VGA for Windows guest

I've found a lot of help on this site, so I am ready to ask my own question now. After some new hardware purchase I've started up with Ubuntu 14.04 LTS and Xen 4.4. My current problem is: If I add ...
2
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2answers
82 views

Make bootable image from non-bootable to use with qemu

I hope the question is not duplicate, I didn't find anything helpful by myself. (And sorry for my english) I have a new Raspberry Pi, and I need to install on it an os with some softwares. I ...
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votes
1answer
1k views

Installing vmware tools on Ubuntu host?

I'am running Ubuntu 14.04 64 bit And i'm using vmware player to run Windows 7 32 bit as guest with vmware tools installed. i cant get the shared clipboard to run! i had made some researches i found ...
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0answers
201 views

[14.04][kvm] Windows 2008 R2 SP1 Virtio 0.1-81: Becomes slow unexpectedly, CPU 100%

Ubuntu 14.04 Server kvm 1.0.3 Virtio 0.1-81 Windows 2008 R2 SP1 on guest becomes slow unexpectedly. Ubuntu 14.04 Server qemu-kvm 2.0.0+dfsg-2ubuntu1. amd64 libvirt-bin 1.2.2-0ubuntu13.1 Linux ...
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0answers
24 views

Ubuntu on VirtualBox problem

I installed Ubuntu on a VirtualBox and I can only see the middle of the desktop? Here is a screenshot:
3
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2answers
456 views

How to integrate libvirt with libxl of Xen 4.4?

I'm running Xen 4.4 with Ubuntu 14.04 without any problems, like this: root@hyper-xen-1:~# xl li Name ID Mem VCPUs State Time(s) Domain-0 ...
0
votes
0answers
101 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
0
votes
0answers
890 views

Unable to connect to libvirt (Xen): libvirt-bin requires restart

I have the following packages installed on Ubuntu 14.04: xen-hypervisor-4.4-amd64 virt-manager libvirt-bin When I reboot (to Xen) and start the virt-manager I get the following error: Unable to ...
0
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2answers
1k views

Playing game emulators on a virtualized OS (Qemu/KVM)

I'm planning on assembling a machine for development testing and all kinds of software emulation. I already know what to choose in terms of hardware, and my initial idea is installing Ubuntu as the ...
3
votes
2answers
202 views

How to launch a script inside a VM from the host?

Environment presentation: Host Machine: Ubuntu 12.04 LTS Guest Machine: Ubuntu 12.04 LTS. Inside this VM, a my_program.py exists. Virtualization system: VirtualBox 4.3 Question: Is there any ...
0
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1answer
268 views

Hosting 12.04 guest on 14.04 server with KVM & libvirt

I've been pulling my hair out trying to get Ubuntu 12.04LTS server (64bit) working under a standard KVM/libvirt setup on Ubuntu 14.04. I can create a new virtual machine using virt-manager and run ...
0
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0answers
152 views

Unable to migrate vm from redhat to ubuntu using virsh migrate

I'm unable to migrate the VM from Redhat to Ubuntu using the virsh migrate due to following error. Any suggestions on how to debug this issue. virsh migrate --live --verbose --persistent vm1 ...
1
vote
1answer
28 views

VM with host communication

Environment presentation: I use VirtualBox Virtual Machine OS: Ubuntu 12.04 LTS Host Machine OS: Ubuntu 12.04 LTS. Problem: I run a program inside a VM which outputs 0 or 1 only: How can I ...
2
votes
1answer
45 views

How can I detect if a VM is crashed?

I installed 4 Ubuntu virtual machines (in VirtualBox which itself is hosted by Ubuntu). I am allowed to used only one of them at once. I can use any other available VM only if the first one crashes ...
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votes
2answers
40 views

Wanted to install Win 7 using Virtual Box on Ubuntu 14.04

I would like to install Win 7 using virtual box on Ubuntu 14.04. I don't have Optical drive in my system so i m using bootable Pen drive of Win 7.
0
votes
1answer
636 views

Copy share a file between Xubuntu Virtual Machine and Windows 8.1 host in VirtalBox WITHOUT Guest add-ons

Ubuntu! TL;DR at the bottom I'm on a Windows 8.1 host. I installed Xubuntu 14.04 on a virtual machine in Oracle's VirtualBox. The guest add-ons couldn't install properly. The CD shows all the time ...
0
votes
1answer
498 views

VirtualBox doesn't run x64 VMs with Vagrant on Ubuntu 12.04 x64

When I execute 'vagrant up' the process end with 'Connection Timeout...' messages. Trying to solve my problem I added 'Ubuntu_64' to config file and enabled GUI, but no results. The VMs which were ...
0
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3answers
89 views

Running Ubuntu on an external hard drive and risk accidentally disconnecting it?

I am getting a new laptop soon and unfortunately it only has 256gb ssd. I don't really want to partition it since that would leave me with a meager amount of space. I also want to keep my Windows 8.1. ...
1
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0answers
88 views

Virtualbox Guest Additions are not used

Today, it seemed in my Ubuntu 14.04 VM (Kubuntu 14.04 host), there was an update for the Guest Additions to 4.3.12, and I was requested to install them from the Devices menu. I did this, but even ...
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votes
1answer
215 views

How to encrypt Ubuntu 14.04 and all data inside Ubuntu 14.04

I am testing Ubuntu. I have installed Ubuntu 14.04 using an ISO file inside Oracle VirtualBox. My computer is 32 bits, with 4 GB of RAM, and operates with Windows XP-SP3 as the Host system. Ubuntu ...
0
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0answers
178 views

How to add a USB HDD to a virtual machine created using VMware Player?

I have a 2 Virtual Machines running on Virtual Machine Manager & VM Player 6, on Ubuntu Server 12.04 LTS. I have connected 2 USB HDD Drives which have been detected by Ubuntu (Host) but neither ...
1
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2answers
164 views

How do you back up your Virtual Machine

A quick question. I am running a Windows Server 2008 Virtual Machine on Ubuntu using Virtual Machine Manager. My question is I want to make regular back up of the Virtual Machine as its very ...
3
votes
1answer
72 views

Why Firefox on the VM has the same capabilities of the Firefox of the host machine?

I installed a virtual machine on VirtualBox. My host machine is Ubuntu 12.04 LTS. My problem is that I found all the addons of Firefox of the host Ubuntu in the Firefox browser of the guest machine. ...
0
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0answers
18 views

Virtualization Does not work?

Hi to all my fellow techies... I Virtualized my Win2k8 Server using vCenter Standalone Hoping that I could run the Virtualized Server on Ubuntu using either Virtual Box or VMM for Linux. VMM does not ...
0
votes
1answer
736 views

Can I access files between a ubuntu 14.04 guest and a mac host on virtualbox guest additions?

I suspect it cannot be done. The closest 'answer' I found was VirtualBox 4.3 Guest Additions on OSX guest but I would like to go with Ubuntu 14.04 guest on a iMac host. I have not been successful in ...
0
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0answers
166 views

VM connected to Openvswitch can not access the external network on Ubuntu 14.04

I have a computer running Ubuntu 14.04. It has two ethernet interfaces. I've created a virtual switch and connected eth1 to it. I run VM (KVM) that connects to the openswitch bridge. From the host, I ...
0
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0answers
24 views

What is the preferred/recommend way of running two version of ubuntu side by side

I am running 14.04, but I need to run some corporate software/scripts that have been specifically designed for 12.04. I am aware of virtual box/vmware for full virtualization but I am looking for ...
0
votes
1answer
609 views

Enabling Acceleration tab on VirtualBox Manager running on Ubuntu 12.04 (guest OS) [duplicate]

I have a windows 7 host OS. HW Virtualization is enabled in the BIOS. On Oracle VM VirtualBox added a Ubuntu 12.04 Guest OS. Configured it as 64 bit. Note: The System->Acceleration is enabled and ...
1
vote
1answer
60 views

launch a VM on Ubuntu

On Ubuntu 14.04, I installed VirtualBox on which I have created 2 Ubuntu virtual machines. Does Ubuntu provide a way to launch the virtual machine I want at a particual moment ? Is there any ...
1
vote
1answer
49 views

How can i make VM to fully cover the screen in KVM?

I installed Debian Wheezy in KVM using virtual machine manager. VM doesn't fully cover the screen, with large gaps in both sides of screen as seen in pictures below. How can i make VM to fully cover ...
2
votes
1answer
43 views

Creating and configuring an Ubuntu .vdi image

I have taken some courses that provide a .vdi file for Virtual Box so that students don't have to configure their own machines. How can I create one of these images with Ubuntu on it? What is the best ...
0
votes
1answer
31 views

How do I use a second Keyboard and mouse - When running a Seperate Xserver on the Same graphics card

I have 2x mice, 2x keybard, 2x monitor 1x Graphics. Can I make it a second computer? (for no reason at all) --OR-- Would it be easier with a second VGA: As I do have a decent extra ATI card (7750 ...
2
votes
2answers
230 views

Run Windows and Ubuntu in parallel

I have read about VirtualBox that in VirtualBox we can run both Windows and Ubuntu in parallel, but it seems that for this we have to make one host and install the other one in it using VirtualBox. ...
1
vote
0answers
46 views

Cannot install ubuntu in qemu…partition problem? [closed]

I am trying to install Ubuntu 13.04 LTS server to qemu image file. First, I created qcow image qemu-img create -f qcow2 ubuntu.img 10G and executed qemu with ubuntu server iso image. ...
0
votes
1answer
789 views

Errors with Vmware crashing with windows 7 as guest

Every time I try to change the theme for my windows 7 guest machine, do anything that would change appearance, or anything involving aero at all, vmware gives me a dialog that says "Vmware Player ...
3
votes
1answer
12k views

Gtk-WARNING **: cannot open display: on Ubuntu Server

I've simply been trying to get Sublime Text 2 running on Ubuntu Server 14.04 LTS on a Virtual Machine but also get the same error trying to run gedit so this leads me to believe it's an environment ...
0
votes
1answer
130 views

Setting up VMs on different subnets

I run a server on IP X.Y.3.7 and i want to run multiple VMs on it using libvirt. I set up a bridge device: auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address X.Y.3.7 ...
0
votes
1answer
59 views

How to enable virtualization on Lenovo Z500?

I have downloaded the Kernel 3.13.6 from kernel.org and installed in the system. Updated the BIOS and then enabled the virtualization in the bios settings. Now I have used the command sudo kvm-ok ...
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votes
0answers
99 views

Xen DomU not booting with required custom kernel

I am using Ubuntu 12.04 LTS (32-bit) and installed Xen4.1 and Xen tools 4.4. I tried creating DomU with the following xen-tools command. >> xen-create-image --force --boot --hostname=DomU1 ...
0
votes
0answers
306 views

how do I get multiple available resolutions in Ubuntu via HyperV?

This thread is nearly identical but was no help. Running Ubuntu 12 in HyperV (the only virtualization I have available) on another machine. I'm connecting to the machine with 5nine Manager. ...
2
votes
0answers
399 views

MAAS, JUJU, VirtualBox 4.3 and virsh command

I've a problem with libvirt 1.2.2 and VirtualBox 4.3. After installing Ubuntu 14.04 server and setting MAAS and JUJU, I need to use virsh to see the list of my installed VM (as reported in the guide ...
0
votes
1answer
113 views

Windows 7 in Virtual Box doesn't see any usb devices connected [closed]

I VirtualBox 4.3 and Extension Pack installed. I also have an usb filter set up. However, my VM Windows 7 doesn't see any usb devices connected (the menu at the bottom says so), although everything ...
1
vote
0answers
26 views

Sync Flash Drive OS with Virtual

I have installed ubuntu (Lubuntu 14.04 specifically, but I don't think that matters for this question) to a USB flash drive (full install, not live system) so I can have an ubuntu environment I can ...