Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

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Hyper-V causing Windows load failure

So, after so many shutdowns, restarts and hard shuts I am forced to post a question here. I am sorry if I am wrong anywhere because I am totally frustrated by my laptop and Windows. I have had an old ...
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45 views

Ubuntu XenServer / XenCenter brp5p1 vs xenbr0 bridges

I'm new to virtualization. Looking to put my toe in the water with a very simple Xen setup. I roughly followed the recipe here using: ubutu 13.10 dom0 Xen 4.3.0 Xen Center 6.2 So far, everything ...
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65 views

How to properly configure and use LXC through lxc-tools (NOT libvirt) on Red Hat based distros?

I am currently learning all about LXC. No doubt there are excellent tutorials about it. The tutorials/guides take one of the following approach: LXC on Ubuntu/Debian etc. using lxc-tools OR LXC on ...
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10 views

Is it possible to clone the linux virtual container from within the container

I have given one linux ubuntu virtual container. The conatiner uses Docker http://www.docker.io/ Now i have deployed all my sites and settings in there. But now i want to have that exported as ...
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29 views

Why is my cloned kvm VM smaller than my original vm?

The order of each VMs life was: f20-openstack.img f20-openstack-clone.img f20-openstack-preinst.img f20-openstack-postinst.img -rw-r--r--. 1 root root 878M Mar 5 13:45 ...
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10 views

Booting Mac OSX HSF+ partition under virtual machine on Windows 7

I just retired a MacBook running OSX Mavericks. I have the SATA HDD, with a USB adapter. Is there any way I can boot this partition under a virtual machine on Windows 7?
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92 views

Windows Virtual PC: not enough system resources

I need to create multiple Virtual machines under Win7. I installed Windows Virtual PC and created a base virtual machine (installed Win XP and other software needed). I then duplicate that machine ...
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43 views

Running a VM within a Virtual Machine on Azure

I am trying to learn more about TFS 2012 and Brian Keller has this VM which has all the software installed and pre-configured. You can check it out here. I have downloaded the VM. However, my work ...
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148 views

How can I use a virtual sound card without the hardware?

I'm trying to generate and stream audio+video via aconv to a remote location such as Youtube from a headless linux server, which will then be multicasted out to the internet at large. I have ...
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111 views

IBM System X3550 M2 | Virtualization is not supported

Background: I had a server donated to me and its a IBM System x3550 M2 Xeon E5506 @ 2.13 GHz. I installed Windows Server 2012 because I was testing and messing around with it. I was going to install ...
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19 views

Optimal config for VM host

I'm facing a big issue when I start my windows virtual machine. I noticed that there are a heavy disk usage, and in consequence the host desktop os is freezing and I'm not able to get back "commands". ...
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134 views

Use of mdraid in XenServer 6.2 limited by dom0?

I've been playing with XenServer 6.2 in a lab environment and have set up a glorified desktop with a few 7.2K disks in it. Not worried about official support, it's just for fun. I have enabled ...
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309 views

boot troubles with hyper v on windows 8.1

My OS is Windows 8.1 Pro and my processor is core i7, x64. I know I've got the requirements to run Hyper-V, because I've already done it on the same machine but few days after installing all the ...
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151 views

Can't find/enable virtualization

I have a AMD Athlon 7850 Black Edition and I can't seem to find VT-x or AMD-V. I've looked literally every where in my BIOS. My BIOS is a ASUSTeK M2N68-AM Plus (AM2). I looked it up and yes, my CPU ...
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45 views

Is a virtual desktop also a virtual machine?

Generally is a virtual desktop also a virtual machine? Or is it normal/possible to have multiple virtual desktops on one virtual machine? UPDATE: I know what a Virtual Machine is, I also know the ...
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140 views

Hyper-v assign host and virtual machines the same subnet and gateway

I have a hyper-v Host with ip address 178.157.51.26/29 and I have four virtual machines with these ip addresses: 178.157.51.27/29 178.157.51.28/29 178.157.51.29/29 178.157.51.30/29 the default ...
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146 views

Virtualising a WIndows 95 PC on VirtualBox - No Bootable media found

I created a VHD of an ancient but still running Windows 95 PC using disk2vhd ( its used for printing reports from our almost as ancient pbx ) I'd like to virtualize it due to its age. Installed ...
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404 views

'skb rides the rocket' in a Xen guest

I've just set up Ubuntu 13.10 server as a VM on my Ubuntu/Xen server, and I'm getting these weird lines in my guest's syslog. Nov 12 10:26:32 human kernel: [130782.315333] xennet: skb rides the ...
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11 views

How do we migrate vSphere 5.1 to vCloud 5.0?

How can we downgrade OVF file exports from 5.1 to 5.0? We have VM instances that need to be downgraded from vSphere 5.1 to vCloud 5.0. We tried to export an imgage from vCenter 5.1 in legacy ...
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136 views

SSH access to VM on windows 8 hyper-v

I'm currently attending University and prefer a Linux environment to do much of my work, but all I have is a ThinkPad running Windows 8 Pro. Cygwin is nice, but it leaves me missing things like ...
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58 views

Does creating a virtual machine from a physical Windows 8 install cause issues with activation?

It is possible to virtualize a physical disk using disk2vdh or vmWare vCenter Converter. The OS (Windows 8) will detect a change of the hardware from physical to virtual. Will it ask for activation? ...
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338 views

How do I change a linux kernel for an EC2 friendly version?

I have to get an old image from a physical ubuntu (dapper) box into AWS. The software stack and applications are not exactly contemporary so I have tried to do a P2V to AWS dd'd the /dev/sda volume ...
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164 views

VMware vt-x incompatibility

I have Intel E8400 cpu installed on system, as you know it's vt-x capable cpu, so i have VMware Workstation 9.0 and in vm settings it states do have support vt-x , but it doesn't work as expected, it ...
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69 views

Debian installation on T60 (WD AFdrive + FDE wanted)

I recently bought a new WesternDigital drive (WD7500BPKT - 750 GB, advanced format drive = 4KB sectors instead of 512B) and I'd like to install Debian on it (never did it before). To keep some ...
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202 views

Benchmarking: VM vs. Bare-Metal

I have setup a test machine running Windows Server 2012 with Hyper-V role installed. There is one Windows Server 2012 VM running on top of that. This VM is the same server image that is also running ...
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77 views

Best practice for configuring hard drives in a virtualized environment

I want to play around with some distributed processing software. I intend to use KVM on an Ubuntu box to create 4 virtual machines and run CentOS on them. Ubuntu is installed on a 250 GB SATA drive. ...
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161 views

Ubuntu VirtualBox dual boot native win 7 partition

I have a laptop with Ubuntu 12.04 and Win 7 dual boot. Using VBoxManage Internal commands I created a vmdk file from my win7 partition and then I used that vmdk file to create a virtual machine. My ...
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47 views

Virtual Box Can't Display 2 Screens But I Can Display 3

I'm having some trouble with virtual-box, I want to display 2 Screens one for my main monitor and one for my secondary. I achieved this now at a certain point (I cant really pinpoint when) Only one ...
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28 views

bridging virtual machines on xen

I have a dedicated server, running xen and a few virtual machines set up as separate entities with their own IP addresses. I have about 16Gb RAM left, and I would like to create a few more virtual ...
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126 views

memcached issue on multi-core windows server with virtualization

i am having an issue running memcached (v1.4.4) on multiple cores. Here's my environment: Windows Server 2008 R2 SP1 running VMware, Intel Processor, only one core (out of eight) is enabled for the ...
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66 views

Efficient way to have several operating systems on one machine

I want to have several operating systems on one computer, but I want to do it in the most effective way. So far, I have been using VirtualBox - host os + several virtual machines. But I want every os ...
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447 views

Nested kvm virtualization not working

I am trying to run a Ubuntu VM on Fedora 18 host. Now, my processor supports VT, so I have kvm installed and it's working. I launched the machine (Ubuntu 12.04 LTS) and installed kvm inside it. But ...
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58 views

VM doesn't pick up ip from dhcp

I'm running virtualbox in bridged mode on a windows host. ifconfig returns this: Here's the etc../interfaces file: How can I force it to grab an IP address from the dhcp?
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218 views

Using logitech mouse and keyboard with Virtualbox

Hi I've just installed Virtualbox and I've installed Windows 7 I have a Logitech K270 Keyboard and T620 Mouse, and the host system is Ubuntu 13.04. The Keyboard and Mouse lock each time I try and ...
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58 views

Sym links issue on virtualbox

I have a virtual box installed, and a guest OS of Ubuntu 12.04 on it. I have installed the guest additions too. So after mounting a shared folder and trying to build from that same mount folder I get ...
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46 views

Double Virtual OS

Is it possible to run openvz in VirtualBox ? Simply , I want to do this. operation system on my Real Computer is Windows (This is not virtual) In Windows I installed Virtual Box and installed Cent ...
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38 views

macbook pro windows boot and virtualize off usb drive

I want to raid two usb3 flash drives install windows onto it this new volume and be able to virtualize it or boot off of it. Any thoughts? I've heard parallels can run a bootcamp install virtually. ...
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229 views

Can I configure and use 2 DHCP servers in my Home Lab Setup

I am setting up a Home Lab environment for development and testing. The purpose of this lab is multifunctional and the hardware involved is : Cisco ESW 540 24 Port GB Switch with VLAN etc... HP ...
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575 views

Virtual Box keeps crashing with message virtual box has stopped working

I have Virtual Box 4.2.12 and while doing guest installation (Oracle Linux), virtual box keeps crashing with these message oracle vm virtual box has stopped working Application event log has the ...
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439 views

linux KVM guests network performance is slower than host

i have a KVM linux based virtual machines, as the network performance of the host is running perfect with 1GB/s(in internal network) and using iperf tools it show that the network is running perfect ...
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264 views

After enabling the hardware virtualization in BIOS, Windows 8 fails to load

So, my problem is described in the header. After enabling the hardware virtualization (I've got Intel Core i5, HP Pavilion Sleekbook 15-b055sr), Windows 8 failed to load. When I switched off the HV, ...
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204 views

Is it possible to change the 'hardware version' in VMWare player?

I am using the latest version of VMWare Player, and I need to create an image for a server. Is it possible to downgrade the hardware version to version 7 (equivalent to VMWare Player 3.xx), rather ...
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124 views

vsphere clone machine - no IP?

in vsphere: shutdown VM1 clone VM1 to VM2 (a new VM) customize VM2 using vsphere's builtin tool. turn on VM2. doesn't get an IP address. (uses 192.168.x.x) I don't think it's the same situation ...
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852 views

How do I re-enable VT-x?

I have a Packard bell Easynote TM87 that I have been running Virtualbox for ages on. Today Virtual box tell me that vt-x is not available and my work virtual machines no longer boot. The processor is ...
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111 views

Enable virtualization in Lenovo y650

Has anyone successfully enabled Virtualization in the latest Phoenix BIOS (v2.8) for Lenovo Y650? I have tried the solution mentioned in this thread but it doesnt seem to work. The Intel Processor ...
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2k views

How to make VirtualBox or VMWare (or any other virtualization software) use a native guest network driver?

I've just posted something in stackoverflow and was asked to post this question here. I have a problem I could use some help with... I am really not an expert in virtualization, so I don't know if ...
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293 views

Remote view to To Hyper-V Guest Virtual Machines

My software can discover all the hyperv vms (a software agent is installed in the hyperv host which returns the information). From my software I can do any operation on the vm. Now I want to take a ...
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87 views

Install virtualbox on ubuntu 10.10

So I tried: sudo apt-get update sudo apt-get install virtualbox-4.1 And doesn't work, how do I install it..and I also have an image how do I run that..after I install virtualbox I just do ...
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202 views

Mac Virtualization on Windows 7

I've been a Mac developer in the past but because of a job switch I had to move to PC/Windows since the last year. I already have all my OS X dvds, I have VirtualBox, I have a VMWare Workstation ...
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560 views

HyperV - low CPU usage

I am very new to HyperV and virtual machine philosophy in general, so please expect more or less nooby questions :) I have a server that is only used as a host for virtual machines. OS is windows ...