A virtual machine is an emulation of a guest operating system, running on virtualized hardware within a host operating system.

learn more… | top users | synonyms (2)

0
votes
0answers
144 views

failed to access perfctr msr - When running Fedora on a VM

I'm trying to run a Virtual Machine with Fedora, and I choose to "Start fedora" from a list where I can start it or troubleshoot problems. The I get the following output: [ 0.00000] tsc: Fast TSC ...
0
votes
1answer
37 views

Why can my VMware Win8 guest system not paste from Chromium's clipboard when it works for all other applications?

I am running a Win8.1 guest in VMware Player 6.03 on an Ubuntu 14.04 host system. The Win 8.1 virtual machine can access text copied from Firefox, gedit, gnome-terminal and other applications, but not ...
1
vote
0answers
43 views

VirtualBox inaccessible

The following issue is stopping me from working in VirtualBox. I cannot start it, as you can see per image. The file VBoxGuestAdditions.iso is in the correct folder and does exist/is accessible. I ...
0
votes
1answer
19 views

Monitoring physical network traffic with a VM

How can I monitor the physical network's traffic through a virtual machine (VMWare or Virtual Box)? I'm running Wireshark in a Linux VM and I would like to monitor all the network traffic. However ...
2
votes
1answer
48 views

How can I fix a Debian VM booting to a black screen?

I have a VDI file with Debian installed on it. When I start the VM, GRUB is run and after choosing the system's version (restore or normal boot) a black screen appears. How can I diagnose what the ...
0
votes
0answers
33 views

Why has my Debian testing VM suddenly stopped loading X Windows System?

I recently installed Debian testing (jessie as of writing) into a VirtualBox VM. After installing, I loaded make, gcc, and dkms so I could install the Guest Additions. After installing Guest Additions ...
0
votes
1answer
47 views

Creating a RAMDisk on Windows to cache HDD

In short I am looking for something to be able to mimic Intel RST but at a software level for Windows VM's on a Windows 8.1 host. I am using Hyper-V. Issue I have a few VM's that are bottle-necking ...
0
votes
0answers
14 views

What are “Array Based” Snapshots

I understand that a Snapshot of a LUN is just a Point-In-Time Image of the volumes on that LUN. What is "Array Based" about these ? EDIT : I'm pretty new to these concepts. What is an "Array" ? How ...
1
vote
1answer
45 views

Cannot ping or ssh from lan to virtual machine

I have next setup: My home lan = 192.168.1.0/24 My virtual lan = 192.168.207.0/24 My laptop = 192.168.1.109 (dhcp OS=Windows7) My desktop = 192.168.1.206 (fixed ip OS=Windows8) My virtual machine ...
-2
votes
1answer
92 views

VMWare Workstation processor configuration

I want to configure VMWare Workstation so that it is optimal and both host and guest Operating Systems run smoothly. Will anyone of you please help me in choosing right configuration. My laptop system ...
0
votes
0answers
55 views

Cannot connect to Hyper-V Virtual Machine

I have a Windows XP Virtual Machine that is running perfectly (I can watch it bootup and the desktop appear in the Hyper-V Manager thumbail preview) but I cannot Connect to it. It just keeps timing ...
1
vote
1answer
73 views

vCenter Converter - migrate P2V without dedicated boot partition

I'm looking to migrate a physical machine to my ESXi cluster with vCenter Converter but actually I got this following error : There is no '/boot' directory mounted on the source machine. It is ...
0
votes
1answer
22 views

Windows XP VPN Server with Static IP in a VM

My network is in a small business network environment. 1 48 port switch, business grade modem, 30+ computers. Lets say I want to VPN to one of our static IP addresses. These computers all use the ...
1
vote
1answer
53 views

Is it safe to run WindowsXP as a Virtual Machine?

I know XP should not be used on a normal internet-facing PC. But if you run it within a sand-boxed VM that can't access the main PC, is that OK? My use-case is I run a VPN within a VM, to RDP into a ...
0
votes
0answers
13 views

Vagrant taking up too much space

I switch between four projects on my local machine and I use vagrant for each on of them. $ vagrant global-status id name provider state directory ...
0
votes
1answer
19 views

Adding virtual interfaces (not VLAN) in linux

for some software testing, I need 12 different IP addresses to contact, each one with a unique MAC address. I just set up an Arch Linux VM but I can't figure out, how to configure virtual network ...
0
votes
0answers
7 views

How to make redboot work with different network adapter?

I have several VM's running in libvirt/qemu-kvm and I need to run another one that was given in virtualbox format. I converted images and created almost the same config in libvirtd, VM starts but ...
0
votes
0answers
22 views

Issue with Virtual PC XP Image

I created a Win XP SP3 Virtual Image in a PC running Win XP SP3 using Microsoft Virtual PC 2007. The image works fine in XP. Now I copied the same XP SP3 Image to a Win 7 PC and installed MS Virtual ...
0
votes
0answers
10 views

VM Live Migration statistic tools

I've studied a lot regarding live migration of virtual machines. but i couldn't find any paper/reference/study mentioning any of the tools (they)used for logging or capturing statistics of VMs and ...
1
vote
1answer
74 views

I/O Crash Error in XenServer VM. What to do?

I just installed XenServer 6.2 and installed XenCenter in my own Windows and everything were set ok. I have 2TB 5400rpm SATA Hard Disk Drive, and I am trying to run 32 VMs at once using Xen ...
2
votes
0answers
26 views

What is the best Xen Hypervisor setup for my system [closed]

I am new to XEN, I have a Asus X99 deluxe, i7-5820K 16gb DDR4 and I want to run VM's just for personal use. I would like to know what distro/setup should I use, I know a bit of Debian and Ubuntu but I ...
0
votes
1answer
17 views

How can I force removal of a linked CD image in VirtualBox?

I recently was installing Fedora in a VM. The install went fine, so I moved the CD image off of my desktop into my general Linux ISOs folder. The next time I opened VirtualBox, I got an error saying ...
2
votes
1answer
97 views

VirtualBox suddenly eats gigabytes of memory

EDIT The original question had lots of speculation but it is all much simpler. See my own answer and this reported bug. I leave the original question in case someone is having similar issues and ...
1
vote
0answers
26 views

Disable buffering/caching for a file

I am executing some benchmarking using a DBMS and virtual machines. And I am using this command free && sync && echo 3 > /proc/sys/vm/drop_caches && free on each Guest, ...
0
votes
1answer
16 views

I want to start VM for specific time

I am designing a system in which lot of VMs are there which run on KVM. My physical resources are limited, that is why I want to allow some of the VMs to run for some specific time(say Every Wednesday ...
0
votes
0answers
107 views

debian - Working with modern openGL within a virtual machine

I want to train myself with modern OpenGL programming. I began with the following tutorial: http://lazyfoo.net/tutorials/SDL/51_SDL_and_modern_opengl/index.php (final sources are provided). However, I ...
1
vote
1answer
61 views

VirtualBox VDI's max size exceeds the host's hard drive size

I had a major oops moment that led to my VirtualBox guest VM's hard drive being larger than the host's hard drive. I rushed through reading the commands for resizing a virtual hard drive. As such, I ...
0
votes
0answers
10 views

vSphere Directpath NIC isolation

I am building an home server, and I am planning to use VMWare vSphere to create multiple OS that will have precise tasks on the server. On the server, I'd like to have a firewall-antivirus using ...
0
votes
0answers
17 views

XenServer Network Configuration

Question I have a single XenServer host and it has an 172.xx.xx.xx address from my office network. The host has access to the internet, and also can be managed from my desktop using XenCenter. Now I ...
0
votes
0answers
24 views

Setting up SQL Express on Azure VM

I'm trying to set up SQL express on an Azure VM. I already have SSMS 2012 installed but I cannot access .\SQLEXPRESS. This MSDN discussion says: run powershell script "ConfigureSQLExpress.ps1" ...
0
votes
0answers
46 views

Install Citrix Netscaler vpx 10 in VMWare

I am trying to install Citrix NetScaler vpx 10 for VMware. So i downloaded the Citrix NetScaler trial version from official website. It contained 3 files 1> .VMDK file 2> .OVF file 3> readme file I ...
1
vote
0answers
17 views

Ubuntu VM Hangs on Boot

I'm trying to boot to a Linux virtual machine in VMWare Workstation 10 for some web development work. I had some problems with the VM I was using. I tried reinstalling Ubuntu in a new VM, and after ...
0
votes
2answers
27 views

Get Rid Of App Switcher Tip Prompt In Virtual Machine

Running Windows 8.1 in a VMware Player virtual machine, and after launching a metro app I got this irritating tip: Swipe in from the edge to go back to the last app you were using. Since I'm ...
0
votes
0answers
65 views

Convert Windows 8 VirtualBox to Bootcamp Partition

I have installed Windows 8 as a Virtual Machine in Virtual Box a while ago. For performance reasons, I want to create a bootcamp partition from the VDI to avoid re-installation. Is this possible? And ...
0
votes
1answer
28 views

Install an application on Guest OS in Virtual Box

I'm very new to Visualization. In my workstation I don't have admin rights. I just wanted to install SQL Server 2008R2. Fortunately I have Virtual Box installed. So I installed Windows Server 2008 as ...
0
votes
1answer
27 views

How to patch a dormant windows 7 vm

I run windows 7 as a guest VM on an ubuntu Linux host. However I only start the VM rarely so there is a risk that Windows will have security holes until it is patched. Is it possible to patch the VM ...
1
vote
2answers
62 views

How to secure a compromised virtual machine

I would like to run Windows in a virtual machine on my linux box. However, there is some concern from others on the same physical network that if the Windows box is compromised then they will ...
1
vote
3answers
72 views

How to create unified, virtualized, triple boot system (Windows, Mac, Linux)

I have a new desktop and I don't want to compromise by not using Linux, Mac OS X and Windows--often simultaneously. My ideal experience would be to be able to virtualize two OS's in the other OS and ...
0
votes
1answer
57 views

How to give more CPU resources to my Ubuntu based guest in VMware Player on Windows 7?

This question is similar to How to allocate more processor power to my (Ubuntu-based) Virtualbox system in Windows 7?, only that now I want to try this on VMware Player in order to see which works ...
0
votes
0answers
65 views

Windows 2012 R2 Server give access to only one VM in Hyper-V

I am new to Windows Server so I don't really know what to look for. I've been searching on Google for some hours now to no avail. What I want I want to create a VM in Hyper-V with a limited ...
0
votes
1answer
62 views

How to access one VM from another VM?

I have two VMs running on my machine, using VmWare Player (Linux). The network configuration used is NAT for each VM. Here is the link to vmware player's network configuration i have used. VM1: ...
1
vote
2answers
30 views

VM gaming vs a bunch of cheap PCs [closed]

I need to set up 10 spaces for online gaming like League of Legends and Smite. I am considering the pro/con of 1 server with 10 VM systems... or 10 individual low end (600 to 700 dollar gaming ...
0
votes
1answer
40 views

Unable to start VM from php

From a php page I am trying to start Virtual Machine using virsh tool on KVM hypervisor but I am getting this error. error: Failed to connect socket to '@/var/www/.libvirt/libvirt-sock': Connection ...
1
vote
2answers
613 views

Virtual Box storage format error while installing Windows 10 tech. preview

I'm trying to install the Windows 10 technical preview via Virtual Box on my Windows 8.1 32 bit laptop. After following the normal process of creating a new virtual machine by "New", when I go to ...
16
votes
2answers
2k views

Can I “transfer” my Windows 7 license to a virtual machine running on the same computer?

I've read the blog post on license transfer, but I'm not clear in the case where I already have a licensed, activated copy of Windows 7 running on my PC but want to move that license to a VM running ...
1
vote
1answer
161 views

Virtualbox host key not working, can't get out of scale mode

I have up to date version of Virtual Box running on Windows 8.1. The host key isn't responding. Changing the host key in Preferences > Input dozens of times did nothing to resolve the issue. The issue ...
1
vote
1answer
66 views

Using CERT Tapioca on VM

I have been attempting to get CERT Tapioca (http://www.cert.org/blogs/certcc/post.cfm?EntryID=203) running on my Mac so that I can test the SSL/HTTPS security of our Android app. Up to this point, I ...
-1
votes
1answer
40 views

Linux VM for Web Development on Windows Machine [closed]

I currently do all my web development work in Windows using XAMPP. I am now looking to move this over to Linux because I'm finding it's more difficult to install / get hold of the correct tools for ...
0
votes
1answer
30 views

Accessing forwarded VM ports from other computers on local network

I'm working on a Windows 8.1 machine, running Debian in VirtualBox. I have an Apache server on the Debian VM, with a web site on port 80. localhost:80 on the VM works for accessing the site. I have ...
2
votes
0answers
34 views

Serial TTA0: connection to Virtual machine | Weird characters and no input

I have setup a serial TTA0: connection to an OpenVMS Emulator running in virtual windows. The console serial port is configured as follows: TTA0.type="socket" TTA0.port=":20000" ...