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

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104 views

Can PXE be used to logon to VM

Can I use PXE to boot a thin/fat client directly into a running VM. My plan is to have my server running the VMs (Windows and ubuntu machines)in XEN or KVM I need for the Family to use and have some ...
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4k views

Virtual Machine Ubuntu 13.04 is Very Slow

I installed Ubuntu 13.04 in my VMWare (I'm using Windows 7); the problem is it's quite slow; it doesn't response quickly as opposed to native installed OS. I also installed CentOS & WinXP; they're ...
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2k views

Bridge networking is not working in virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest

Very good article but there is a problem for me. I am using virtual box 4.2.8 with ubuntu 12.04 host and ubuntu 11.10 guest. I am unable to setup bridge networking beetween host and guest. here i am ...
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256 views

Managing windows virtual machines remotely

I have a very abstract and possibly naive question, nevertheless I am putting it up - I want to develop a Ubuntu lab in an institute, using a client server model. I want the individual clients to ...
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3k views

kvm error in syslog says cpu0 unhandled rdmsr

I have a server that hosts about 20 KVM guest machines. It's syslog is, at times, flooded with messages like these: 00:17:36 vhost-server kernel: [ 157.835078] kvm: 3138: cpu0 unhandled rdmsr: ...
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354 views

Logitech G700 not scrolling

I have just installed Ubuntu 12.04 in a virtual machine (Virtual Box running on Windows 7). But I have a problem using my Logitech G700 mouse. If I use the scroll-wheel nothing happens, but I can ...
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78 views

What facets should I consider when deciding which guest to jail in (“full”) KVM and which in LXC?

Currently I am migrating to a new server. The old one ran 10.04 as host system and a few more 10.04 and Debian 6 as KVM guests. This was alright, because the processor had support for virtualization. ...
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573 views

Debootstrap chroot Installation Error

During initial installation (using both Network installation and CD ISO) of Ubuntu Server 12.04.1 LTS (64-bit) as a guest VM on XenServer 6.1 I'm getting this error: Debootstrap warning Warning: ...
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18 views

qemu: how to select from which hdd to boot?

I want to connect 2 hdds to my qemu virtual machine. One of them is actually a file connected via virtio, and I want it to be the bootable drive. The other is a partition that I want to pass through; ...
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37 views

Problem when trying to start OS in virtualbox

Any OS I try to start in VirtualBox shows the following error: Failed to open a session for the virtual machine 71. Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE) and it shows in "Details": ...
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19 views

network on virtual machine not working

I Have an Ubuntu machine with VmWare installed. With it I have a CentOS virtual machine, and I am not able to connect to the internet from the virtual machine. The physical machine is using its wlan0 ...
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11 views

Make libvirt/qemu VNC take an interface name instead of a fixed IP address

I rely on VNC to communicate to my VMs from an external system, so in the XML description file I have something like this: <graphics type='vnc' port='-1' autoport='yes' listen='10.1.1.199' ...
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30 views

How to install qemu-kvm from source

I previously installed kvm via apt-get. Then I install qemu from source via following steps: wget http://wiki.qemu.org/download/qemu-2.1.91.tar.bz2 cd qemu-2.1.91 ./configure make && make ...
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11 views

Rack number in Hadoop

I have hadoop cluster with 9 nodes. All belongs to /default racks. But I want the setup something similar to this. (All are in same subnets) Rack 0: DataNode1,Datanode2,DataNode3 and top of rack ...
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46 views

OpenStack Installation failing | error in creating bootstrap kvm

I am trying to install Open Stack using the guide located -> here! However when i am tying to install it I am receiving the following error: INFO • 11-15 14:28:59 [LINE:73, FUNC:status_context] • ...
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47 views

bridge interface br0 for virt-manager removing IP from em1

I am trying to create a bridge interface for virt-manager to boot PXE images from network. My actual network in em1 (I don't have an eth0 iface). em1 have 172.16.20.x IP. I prefer the bridge IP to be ...
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31 views

toc2mp3 - Converting toc-files to mp3 using cdrdao

I have created some toc-files in the past using cdrdao and I wanted to convert them to mp3. Unfortunately Ubuntu 14.04 LTS doesn't come with toc2mp3 so I tried to download the source and compile it ...
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47 views

Not able to start StartX on Ubuntu Server configured inside KVM

I have Ubuntu Server installed as guest OS inside KVM. I also installed Ubuntu Desktop on top of that but now when I am trying to start GUI using StartX, I am getting below message and my screen ...
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20 views

How to open existing process of virtual machine in VMWare?

I'm working a lot with VMware virtual machines on Ubuntu 14.04 and sometimes VMWare "forgot" for some virtual machine. It often appears when VMWare freezes up for a few second. same screenshot in ...
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36 views

My Ip address keeps changing each time I restart my virtual computer

I have a KVM configured running two VMs with almost exact characteristics, the main difference is the service they provide. The IP network is obtained via DHCP(I have configured a bridge in the KVM) ...
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38 views

Snapshot revert fails in my KVM setup

I am trying to revert a snapshot and I am getting the below error message in my KVM setup . Reverting to a snapshot is failing. #virsh snapshot-revert TestImg Deployed-Stage --force error: An error ...
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86 views

Control VirtualBox using libvirt on Ubuntu 14.04

I am running an Ubuntu 14.04 Desktop and have VirtualBox 4.3.18 installed on it. Also libvirt is installed, from the ubuntu repositories. The libvirtd deamon is running, as root. On another Ubuntu ...
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44 views

Is it still necessary to disable KVM modules when installing VirtualBox?

I'm about to install VirtualBox in headless mode, on an Ubuntu server running 14.04. In the past it's been necessary to disable or remove KVM and Qemu, as VirtualBox will not run if they're present. ...
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30 views

MaaS add Node (virsh)

I have problem with virsh. I'm using XEN as hypervisor. I have virtualized MaaS controller and want to add virtual Node. I was proceeding this Ubuntu http://maas.ubuntu.com/docs/nodes.html ...
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78 views

LIS 3.5 under Ubuntu 12.04 LTS

Unfortunately I needed to run an Ubuntu Server 12.04 LTS under a Hyper-V from MS. After install, I pass through big problems with network and i/o performance. The Hyper-V recommend to update the LIS ...
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259 views

Unable to browse internet in Genymotion via VM

I have installed Oracle VirtualBox and Genymotion.. I installed Google Nexus using Geymotion inside the VM. I have ethernet LAN networking in my hostel, but I can't connect Google Nexus VM to the ...
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113 views

How should I configure Ubuntu with VirtualBox on Windows 8.1?

I just built my first Windows computer. It's running Windows 8.1. Here are my computer specifications:- GPU: GeForce GTX 770 CPU: Intel(R) Core(TM) i5-4430 CPU @ 3.00GHz Memory: 16GB RAM Current ...
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17 views

Wrong throughput measruements in VBox VM running Ubuntu 12.04.3

I have one physical machine with Linux Ubuntu System (Host OS) installed on it. Besides that, the machine runs one Virtual Machine (VM) and one Open vSwitch Bridge. The machine has one virtual ...
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47 views

Disadvantages of installing ubuntu trough qemu/kvm

Since I am testing iso's a lot and I want to do so on real hardware, but can't stand the install process and the associated waiting time (I only have one machine) I have written a script that installs ...
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91 views

How to fix VirtualBox resolution?

I use Ubuntu 14.04 in VirtualBox. I have installed Guest Additions and it's running good except for this really irritating problem in which my Unity and LightDM interface is at full resolution ...
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860 views

virtual machine manager kvm is not available - ubuntu 12.04

im a bit new to ubuntu i installed kvm using these commands: 1.sudo egrep '(vmx|svm)' --color=always /proc/cpuinfo output was produced like 4 times 2.sudo apt-get install kvm ubuntu-vm-builder ...
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42 views

how to replicate my server environment and directory structure using Vagrant

I am a developer by trade but am not used to configuring VM's and servers, so I apologize if these questions seem rather novice. I have recently started trying to use Vagrant for local development of ...
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72 views

Ubuntu 14.04 KVM guest issue with static IP address

I Have installed a KVM server and host in Ubuntu both with release 14.04. I did configured the server according to the wiki and it is working as expected. The issue I am having is that after ...
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36 views

P2V Failed (Error message attached)

I want to convert physical Ubuntu 12.04 to a virtual server using VMware converter 5.5.2 you can see in the following image the hard disk settings for the physical server in the conversion wizard ...
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167 views

Xen XL broken installation, cannot start Dom-U (trusty, 4.4)

I was switching Xen toolstack from XM to XAPI. Didn't work, so I upgraded from 12.04 to 14.04 with the hopes that it would work better. It didn't. Now I cannot start any Dom-U. XL is installed instead ...
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35 views

Restoring ubuntu virtual machine after manual killing of VirtualBox process?

I was given access to an ubuntu installation running in VirtualBox. (It is managed using phpvirtualbox). Unfortunately, the Virtualbox process in the host machine was killed unexpectedly. Now, if I ...
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23 views

how to enhance the screen of my vm?

How can I enhance the size of my virtual machine ? I installed ubuntu 14.04 desktop edition (lts) on virtualbox but the screen looks to small. When I do CTRL+C the screen becomes bigger but it does ...
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141 views

Ubuntu 14.04 LTS desktop on a virtual machine

I have a running Ubuntu 12.04 LTS desktop on a virtual machine. I wanted to upgrade it to 14.04 but I got this warnning: Your graphics hardware may not be fully supported in Ubuntu 14.04 When I ...
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55 views

Why can't I install a VM within a VM?

I read it is possible to install VMs inside VMs as deeply as we want. However, in my case, I tried Ubuntu 12.04, Ubuntu 12.10, Ubuntu 13.04, Ubuntu 13.10, Ubuntu 14.04, Ubuntu 14.10 VMs in which I ...
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60 views

Convert Physical to Virtual - GPT System Error

I'm trying to convert physical Ubuntu machine to virtual using VMware. I keep getting this error: "The source computer has GPT disk(s). Conversion of live computers with GPT disks is not ...
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0answers
20 views

Cant get ODK vmdk file to run on esxi host vmware 5.1

I am running into a similiar issue, that gets farther when I remove that file, but doens't quite resolve. We purchased a buy as is ODK vmdk file which works when you boot it up initially, the ...
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47 views

virtual install from ISO not getting virtual kernel

I have a KVM host (12.04.5) that I have been installing guests on in variety of ways. I just noticed recently one of my guests was running a generic kernel when I'm fairly certain I specified minimum ...
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92 views

Need help about Proxmox and GRUB2 on Debian

I am facing with a big problem. I am freshly installed Debian 7 on server4you dedicated server, and according to this tutorial: Link I am added the repo, installed the kernel like the tutorial said ...
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22 views

“Cannot get installation XML” error while create new domain using php-libvirt

My code is: $name="TestMachine"; $arch="x86_64"; $memMB=200; $maxmemMB=500; $vcpus=2; $iso_image="/root/centos5-img/centos.5-10.x86.20131020.img"; $disk1 = array( "path" => ...
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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 ...
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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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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 ...
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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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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:
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102 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 ...