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

learn more… | top users | synonyms (3)

1
vote
0answers
171 views

libvirt / virsh hot backup

Is it possible to do a hot backup of a running libvirt VM, or more precisely, it's image? What I ideally would want to do is: Stop writing to the disk, but still allow reading from it Cache all ...
1
vote
0answers
296 views

Build Ubuntu VM using mirror

In kvm, using virt-install I can create centos images using this parameter in my virt install command. -l http://mirror.umd.edu/centos/6/os/x86_64/ Starting install... Retrieving file .treeinfo... ...
1
vote
0answers
437 views

Unable to start libvirtd

When I try to start libvirtd using sudo libvirtd I get this error message: 2013-06-20 06:16:12.384+0000: 10470: info : libvirt version: 1.0.2 2013-06-20 06:16:12.384+0000: 10470: error : ...
1
vote
0answers
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 ...
1
vote
0answers
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 ...
1
vote
0answers
264 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 ...
1
vote
0answers
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: ...
1
vote
0answers
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. ...
1
vote
0answers
580 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: ...
0
votes
0answers
28 views

How to fix Virtualbox

I'm trying to launch a new windows xp virtual machine, but, when I do, I get this error message: Failed to load VMMR0.r0 (VERR_SUPLIB_WORLD_WRITABLE). Code d'erreur : NS_ERROR_FAILURE ...
0
votes
0answers
19 views

AMD Graphics Driver version that works for R9 290 GPU Pass through

Dedicated GPU (AMD Radeon R9 290) passthrough setup to a VM running Ubuntu 14.04 x64 LTS. Hypervisor used is KVM. Tried installing the latest Graphics driver available on amd support site (14.501 ...
0
votes
0answers
50 views

SD Card not recognized in Ubuntu 14.04 guest, of VMware Workstation 11, on Windows 7 host

I wanted to install Ubuntu 14.04 on my laptop. So I installed VMware Workstation 11 on Windows 7 64-bit, and then installed Ubuntu 14.04 LTS as guest on it. It's working fine with removable USB ...
0
votes
0answers
10 views

Ubuntu server VM install has limited bash functionality

I installed Ubuntu Server 14.04 in a VM and I selected the VM option during installation since my host has limited memory. I accepted the fact that most features will be disabled in such a system for ...
0
votes
0answers
10 views

libvirt-bin Remains in Stopping State When kvm Guests are Running - 14.04.1

I'm trying to ensure that any guest KVM virtual machines gracefully shutdown when the host server is shutdown/rebooted. I'm running Ubuntu Server Trusty Tahr (14.04.1) with following versions of ...
0
votes
0answers
19 views

Permission denied while invoking libvirt with -no-kvm-irqchip argument

Trying to start a VM with -no-kvm-irqchip as argument. in the vm.xml, I have specified emulator as "/usr/bin/qemu-kvm-irq" which is passing -no-kvm-irqchip as argument. > ...
0
votes
0answers
18 views

Xen and Openstack on Ubuntu 14.04

Which software stack to choose for Xen if I want to install Openstack on top of it? How to install Openstack on top of Xen?
0
votes
0answers
43 views

I can't read a USB HDD in my Ubuntu 14.04 VM (VirtualBox 4.3, Windows 7 host)

I've installed (and reinstalled) VirtualBox 4.3 with the Extension Pack on my Windows 7 host, and created USB filters to hand a few specific WD 4TB My Book drives straight to the Ubuntu 14.04 guest ...
0
votes
0answers
64 views

Kernel panic while installing CentOS 7 in VirtualBox

I have a laptop with Xubuntu desktop 14.10 , and I installed VirtualBox and updated it to the latest version . I'm trying to install CentOS 7 (source downloaded from the official site) as a VM, ...
0
votes
0answers
23 views

Genymotion doesn't shows virtual device that was added when I start it

Recently I installed oracle virtual-box on my ubuntu 14.10 as I wanted to run a android emulator Genymotion on it.I installed Genymotion and added a MOTO-X 4.4.4 virtual device to it intially. ...
0
votes
0answers
23 views

Virtualization of Non-existing hardware?

I have to show a non-existing hardware present in the system by using virtualization. I am new to Linux, and trying to learn it because it is in my course work. I have assigned an assignment from my ...
0
votes
0answers
21 views

Virtual Machine Manager - Windows sharing internet with Ubuntu

Good morning, I have installed Virtual Machine Manager onto my Ubuntu setup and installed Windows. Now the whole install went get and installed without a problem... except that I have no internet. ...
0
votes
0answers
43 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": ...
0
votes
0answers
22 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 ...
0
votes
0answers
20 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' ...
0
votes
0answers
13 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 ...
0
votes
0answers
80 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] • ...
0
votes
0answers
65 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 ...
0
votes
0answers
52 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 ...
0
votes
0answers
118 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 ...
0
votes
0answers
22 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 ...
0
votes
0answers
44 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) ...
0
votes
0answers
65 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 ...
0
votes
0answers
170 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 ...
0
votes
0answers
61 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. ...
0
votes
0answers
40 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 ...
0
votes
0answers
94 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 ...
0
votes
0answers
444 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 ...
0
votes
0answers
140 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
60 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 ...
0
votes
0answers
99 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
49 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 ...
0
votes
0answers
76 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 ...
0
votes
0answers
39 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 ...
0
votes
0answers
179 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 ...
0
votes
0answers
40 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 ...
0
votes
0answers
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 ...
0
votes
0answers
169 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 ...
0
votes
0answers
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 ...