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

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1answer
37 views

Virtualize Windows 8.1 using a product key used for the real installation on the same computer [closed]

I have bought new SSD, then I've installed Windows 8.1 with a given product key. Now I would create a new virtual machine with Windows 8.1 as testing environment: could I install the virtual OS using ...
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2answers
105 views

Why do the RAM requirements for a Visual Studio in a virtual machine leave so little for the host that i'd expect would require more? [duplicate]

https://www.visualstudio.com/en-us/downloads/visual-studio-2015-system-requirements-vs.aspx 1 GB of RAM (1.5 GB if running on a virtual machine) Does it mean the host requires 1.5GB and will ...
0
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1answer
29 views

rm -rf / on a virtual machine?

So, this is probably a stupid question, but I'm genuinely interested. Would it be safe to recursively delete everything on a virtual machine from a command line, just for fun? I'd assume so, given ...
0
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1answer
60 views

Ubuntu 14.04 guest cannot detect second virtualbox monitor

I have an Ubuntu 14.04 (64bit) VirtualBox setup on VirtualBox 4.3.30. As I understand it, this setup should permit the use of Dual Monitors by the guest OS. The host OS is Windows 7. I have the guest ...
0
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0answers
22 views

VirtualBox vdi cannot be read (after clone and copy)

I am trying to run a Windows XP VM using Oracle's VirtualBox. On my Windows 8.1 PC (at home) this works great. Then I: * cloned the VM to a 64Gb SD card (formatted with the exFAT file system, if ...
1
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3answers
55 views

Virtual Machine to run 32-bit Windows?

I'm trying to run an old game, and oddly the expansion packs to the game only install on 32-bit Windows. I have 64-bit Windows 7, and it won't even let me attempt to install them. If I install a ...
2
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4answers
547 views

Unable to launch Andyroid virtual machine

When I try to launch an Andyroid virtual machine I get the following message unable to launch vm process: Failed to load VMMR0.r0 (VERR_LDR_MISMATCH_NATIVE) (0x-8fffbffb)! Here is a print ...
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1answer
23 views

Is it possible to use VPN only for virtual machine?

I want to use a VPN only for some applications, if I use a virtual machine with a VPN configured on it, my entire pc will use that VPN or only my virtual machine will use that VPN? Another question. ...
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0answers
14 views

KVM inserts CD ROM at reboot even if kickstart has “reboot --eject”

When installing a VM on KVM host with a kcikstart profile that specifies "reboot --eject" option, on one specific host in our lab, the CD is re-mounted and the installation starts again. For another ...
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0answers
5 views

Fault Tolerance in Virtualized Servers

I have read about virtualization though I don't have real life experience. One of the ways to achieve is by installing Hypervisor in a server machine and have management software in admin's machine to ...
0
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0answers
71 views

VMWare copy/paste not working, running Windows 8.1 in Ubuntu 14.04

I can't get copy/paste to work in VMWare between my guest and host boxes. My host is Ubuntu 14.04 and VMWare is running Windows 8.1. I'm using VMWare Player version 7.1.2 build-2780323. I've already ...
0
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0answers
88 views

How to switch between VM guest and host in Windows 10 with single keyboard shortcut?

I'm looking for simple solution for switching between host and guest on Windows 10 (build 10240) with VirtualBox (5.x). Let's say I have two virtual desktops open, one containing VM guest window in ...
0
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0answers
17 views

VPN on guest machine only

I have a Windows 2008 R2 server that does a fair bit of media transcoding, and serves the house via Plex server. I am looking at making a VM guest (windows 7 or 8) that will have a VPN client ...
1
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2answers
48 views

How can I install 4 VMs on my Windows 7 PC?

I want to install 4 VM on my Windows 7 PC: 1 Linux kali 1 Windows 7 1 Windows 8 1 Windows Server 2012 I've read that I can't use hyper V, because it's not available on windows 7. VirtualBox seems ...
0
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0answers
29 views

Virtualized Mac OS sees only 7MB of VRAM

I run into a problem with virtualized Mac OS X 10.10. My virutal machine sees only 7MB of video memory, but I set 128 MB in VirtualBox configuration. I've tested on VirtualBox 4.3.10 and 5.0 and ...
0
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1answer
22 views

Access files in virtual machine from virtual disk files?

I was using vmware workstation, but I don't have a valid key anymore. I have files and data in there that I need and would prefer not to pay $250 to get a new license. Is there a way to access my vm ...
0
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1answer
11 views

What NIC is connected to what network in VMware VM

I have a requirement to create a VMware VM that must be connected to multiple networks (one vNIC for each network). IPs are assigned statically and are supplied via OVF environment properties. The IPs ...
0
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2answers
75 views

Windows 2012 R2 Server Core reduced/minimum RAM usage (for VMs)

The minimum requirement for Server 2012 is 512MB of RAM. But since server core doesn't need GUI, is it possible to run the core with even less RAM? If so, what's the minimum? I plan on running it on ...
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0answers
21 views

“Borrow Computer”/“Log in to VM” button on Windows Login screen?

My last two workplaces have had a button on the Windows 7 login screen marked "Borrow" or "Use Another Computer". This button allows any user to connect either to their own desktop machine, or to a ...
0
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4answers
248 views

pros and cons of running an identical virtual machine guest OS as the host operating system [closed]

After researching a little bit on this forum, I found a couple of answers to this, but most of them were related to licensing issues. Here I am curious to know the advantages and disadvantages of ...
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0answers
23 views

Virtualbox - Two different screen orientations for Ubuntu VM

I have an Ubuntu (15.04) VM running on a Windows 8.1 host in a two monitor configuration. At times, when I'm reading a lot of documents, I like to rotate one of the screens to be in portrait mode to ...
0
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1answer
174 views

Can I fix corrupted vmdk image? VERR_VD_VMDK_INVALID_HEADER

I suffered host crash when running guest OS with VirtualBox. Now the VM won't start and complain that: Could not open them medium '[file.vmdk]` VMDK: inconsistency between grain table and backup ...
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0answers
71 views

Virtualbox very very slow with ubuntu 15

Windows 8.1 is host, ubuntu 15 is guest. Starting firefox in ubuntu takes 50 seconds. Add another 30 seconds until I can actually start typing into the address bar. The ram consumption is only 300 mb ...
2
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1answer
49 views

Stop Ubuntu VM Stuttering

I am running Ubuntu 14.04 as a VMWare Workstation Virtual Machine inside Windows 8.1. Windows is the host, Ubuntu the guest. As it stands, my Ubuntu VM keeps stuttering. Music keeps stuttering, but, ...
0
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1answer
22 views

Why does my virtual machine get so slow?

What could cause a virtual machine to get really slow? I'm running vmware workstation with ubuntu 14.04 on a computer with quad core i7 processor, 8 GB of RAM and a decent hard drive (not ssd). I ...
0
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1answer
51 views

Why would I want a custom Docker host VM instead of TinyCore Linux in boot2docker?

I've read about Docker, boot2docker and Vagrant's Docker provider and I guess I have a pretty firm grasp of how all of this works. However, there is still one thing I haven't quite figured out yet. ...
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1answer
33 views

SheepShaver problems [closed]

I have this problem with SheepShaver Macintosh emulator. I did it with Basilisk II open source Macintosh Emulator which was a success, but it won't work the same way with SheepShaver, so I had error ...
0
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2answers
44 views

Can virtual box be accessed while mac in sleep?

I have a question regarding virtual box on my iMac, basically i've created a VM and i'm running there windows. I have made it accessible from internet etc etc, so it is ready, but i'm curious => if i ...
0
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1answer
37 views

What is VT-x? Why it is not enabled in few machine by default

While installing Virtual machine I am getting error that VT-x is not enabled so I am not able to continue install Virtual OS. So What is VT-x? How to enable it? By enabling will cause performance ...
0
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1answer
26 views

Openssh installed still Putty is not working properly

I have setup 2 virtual systems of ubuntu using VMware player7.1.My physical system is running on Win7. Both the VMs are configured in Bridged Network mode. I am using wifi router in my home. I am able ...
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0answers
14 views

debian create wlan hotspot: Also from a VM?

I am looking for a way to create a WLAN hotspot from a debian system. I already found some tutorials. EG: hotspotd youtube video But: They are not working. A hotspot is created but I cannot connect ...
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49 views

XenServer - Use OpenVSwitch to mirror traffic from one VM to another

XenServer 6.5 SP1 & OpenVSwitch 2.1.3 I need to mirror traffic from one VM to another. I have enabled promiscuous mode on the PIF and VIF. Using the following command, I can mirror the traffic as ...
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0answers
53 views

Connect to a virtual machine from host as if it was another network machine

I have a virtual machine on Oracle VirtualBox, hosting Windows 8.1. My desktop is running Windows 10. I would like to access the virtual machine from the host, as if it was another machine on the ...
0
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1answer
69 views

Virtualbox: deleted snapshot, vm won't boot

The problem I accidentally deleted the snapshot file located at <virtualbox-folder>/vms/<vm-name>/Snapshots. When I try to start the VM (which the .vdi file is intact), the following ...
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Failed to extend… Read only Filesystem VirtualBox

I copied a livedisk fedora16 to my local Ubuntu 14.04 using cat I then created a virtual machine using virtual box with the controller:ide pointing to the .iso file this cat operation produced. The ...
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0answers
34 views

qemu virtual machine send desktop switching command to host

I would like to set up qemu/virt-manager/spice so that I can run a VM full-screen on its own KDE virtual desktop. I have ctrl-alt-{up,down} set up as desktop switching shortcuts, but I need a way to ...
0
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0answers
31 views

SSH agent forwarding in Vagrant

My workflow consists of running at least two Vagrant VMs at the same time - one of them acts as a web server running the application and the other is used for local development (vagrant ssh => ...
0
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2answers
64 views

Gaming on an esxi vm

I did some digging around by I cant find any recent discussions about this topic. Given adequate hardware on the vmware esxi host, is it possible to game inside of a virtual machine with low latency ...
2
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1answer
44 views

VirtualBox: How to shut down Virtual Machine

I am not sure how to shut down my virtual machine (Ubuntu 32 bit). When I press the drop down menu labeled "Machine" and press close, it gives me three options. Should I use any of these? When I used ...
0
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2answers
28 views

Delete all virtual machines ad admin

I have a user (user1) that created a vm in virtual box install on the server. I also have a user (user2) that created a vm in virtual box install on the server. Now, I want to log in as admin and ...
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0answers
56 views

How to Get an existing Windows XP Mode Virtual Machine on Windows 8.1

I have a new computer with Windows 8.1 From my old PC with Windows 7 I have a folder with "Windows XP Mode.vhd" file ~120GB. I want to run this VM on my new Windows 8.1 Is any way to do it ? UPDATED ...
0
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0answers
60 views

Webcam not working in Ubuntu in vmware virtual machine

I want to use a Logitech Webcam C210 in Ubuntu, using the virtualising system of VMware Player 6.0.5 in Windows 7 but the problem is that although I have the webcam connected and Ubuntu identifies it, ...
0
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1answer
23 views

Virtual Machine: Windows 8.1

I am using Virtual Box and I want to run a windows 8.1 on virtual box. My real operating system is windows 8.1 64-bit so I was wondering if I could just copy over the operating system somehow to ...
1
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1answer
40 views

Turn an existing USB into a virtual USB for OS X Yosemite

To use the application TVPaint you are required to have the USB, that it's paired with, plugged into to the computer at all times during use. For my own convenience and to not risk losing the USB, I ...
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Save qemu VM state like in Virtualbox

I am used to the Virtualbox "save machine state" exit strategy, which is a handy way to let the host reboot without shutting down the vm. I recently switched to qemu because of its VT-x in VT-x ...
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0answers
132 views

OpenVZ fails on container create (Unable to get appcache tarball name)

I have OpenVZ installed on CentOS 7.1. after i execute vzctl create 101 --ostemplate debian-7.0-x86-minimal i get command /usr/sbin/vzpkg exited with error 8 Unable to get appcache tarball name ...
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0answers
50 views

windows and linux virtual machine software

I want to run some simulation software (with Oculus Rift support) on windows as the main OS, and have it talk to software that is built for Raspberry Pi / Arch Linux/Arch Linux ARM (but no windows ...
0
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0answers
36 views

How can I use Visual Studio to edit files on a Ubuntu VM?

I've been using Docker for nearly a year, running it on a Ubuntu 14.04 VM, with Sublime Text 3 for programming in Javascript/php. I would like to be able to also use visual studio for editing the ...
0
votes
1answer
38 views

How to config windows firewall so VM Host-only can ping Windows 7

I start a VM (Linux) in host-only network connection (manual IP : 192.168.8.123) under Windows 7. After turn off the VM firewall, I can ping VM from Windows. However, when I try to ping from VM, it ...
0
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0answers
47 views

Accessing PHP web server running on a VirtualBox VM (with host-only network)

I am trying to connect to the PHP built in web server (php -S) running on a VirtaulBox VM. My host OS: Windows 8.1 x64 My Guest OS: Ubuntu Server 14.04 LTS I can access the Apache web server just ...