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

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40 views

Why does my Hyper-V suspend all its VMs once a day?

I experience a very strange problem when using Hyper-V on Windows Server 2008 R2. Every day, around 10.30pm, all of my virtual machines become unreachable for a few minutes. I have found out, that ...
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5 views

Template Delivery to local machines

I have a VM or Template and a set of physical machines(PC). I don't want to use some pool of processors but instead of that I want to use these computers to deploy this VM or temlpate. Can you ...
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43 views

Create RAM disk on the VM, or on the host?

I am interacting programatically between two programs (Matlab, and ISpice), where one program writes a file to disk then the other reads it and writes another file to disk, which is read by the first. ...
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64 views

Windows XP Mode on Windows 7

Is it normal to have a Windows XP Mode folder in a Windows 7 Pro, Program Files Directory? I see this key: K49H2-RPR94-QBGG4-DBCTM-YT64G. And I see the VXPEULA.txt file with EULA. Window XP Mode has ...
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0answers
71 views

Fedora 20 on latest version of Oracle Virtualbox (Windows 7 host) pretty much doesn't work

Has anyone else tried to use such a config? I get this aggravating behavior where the VM window will repeatedly resize itself to a (about) 263x68 window. This makes the UI completely unusable, as ...
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56 views

Operating System showing alerts on each time it is started and Virtual Machines are not starting

Yesterday my system showed that there is some internal memory error 0X00 some number in so many alert boxes,then it showed google chrome crashed.I restarted the system and then it was asking if it ...
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0answers
17 views

Copy & Paste in Vsphere 5.5

I tried the below recommended method to enable "copy & paste" within VMs, by adding into a desired VM's Configuration Parameters. Power down and restart VM but still can't copy & paste. I ...
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3answers
913 views

Does Virtualbox support DMG files on non-Mac OSes?

I'm trying to use a DMG as disc drive for a VirtualBox virtual machine, and I'm greeted by this very unpleasant surprise : This reads : Error opening optical disc file C:\Users... Could ...
1
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1answer
68 views

Single Massive VM or multiple VMs for Docker Containers [closed]

If you need to run Docker Containers for various databases and applications, is it better to: Run a single massive VM with a lot of memory/cpu allocated to it, or Run separate VMs for each ...
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2answers
42 views

will the size of the memory RAM using virtualBox be allocate on my host memory forever?

I'm trying to create a virtual machine with a 4GB RAM but I'm not sure if the space requested will be temporality borrowed by the virtual machine or it will be allocated forever. I would really ...
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0answers
108 views

Oracle VirtualBox Bridged Networking - The internet stops on host operating system

I have Windows 7 as the Host Operating System which is running two Virtual Machines in Oracle VirtualBox. Both VMs are also Windows 7. I have used Wireless Bridged Network Adapter on both of the VMs. ...
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2answers
77 views

How to defrag Virtual Box HDD files?

I am using Virtual Box on Windows 7 Machine. I have created several virtual machines of Ubuntu Servers on it. I store my all virtual hard drives on a dedicated NTFS partition. This partitions has ...
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39 views

How do I get my virtual machine to be recognized as host?

Just started using VirtualBox. Got Windows 7 on host and Lubuntu on guest. My internet provider has this thing where if you connect to internet using a new computer, you can only access their website ...
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2answers
749 views

Running Ubuntu 14.04 on Virtualbox at 1920x1080

I have created a Ubuntu 14.04 VM on Virtualbox 4.3.16 (running on Windows 8). I have installed all of the Ubuntu virtualbox-guest* packages. The highest screen resolution that I can set in the ...
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0answers
46 views

Cannot start any virtual machine from VM Player

I am using a Desktop PC with Windows 7 as Operating system. I am using VM PLayer to run a CentOS for me. I am going to use CentOS to setup an Asterisk environment for me so I can conduct studies on ...
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0answers
22 views

How do I connect to a Dedicated Server aside from using RDC?

I'm in a bit of a pickle. I need to connect to a Dedicated Server that I have just purchased to stream some video/audio content. The server has an on-board sound card, I confirmed that before ...
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0answers
17 views

How to copy file & text from VM ware to PC (Windows 7 )?

Previously I was able to copy the files & text from VMware to physical machine(PC with windows 7) by enabling or installing by double clicking vmuser.exe file present in - C:/Program ...
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47 views

Secondary SSD on Win7 - use for cache and VirtualBox VM (VDI)

Is there any problem with using secondary SSD for cache (pagefile) and one VM at the same time? Basically I only use secondary SSD for cache right now, but this leaves 40GB of unused space on it. Or ...
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0answers
21 views

AMD-V not available to nested VMs?

I'm using an Ubuntu 12.04 virtual machine as part of my personal development environment, which is run through VMWare Player on Windows 7. Now, from this Ubuntu machine I'm trying to use 'vagrant up' ...
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51 views

Setting up a completely virtual multiseat

I play an online game where, as in many computer RPGs, making changes to the build you committed to is possible but costy. Luckily, the game has a test mode where I can run a copy of my character and ...
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0answers
29 views

How secure is “un-firewalled” host-only virtual box adapter?

Here is my configuration using with Virtual Box: Windows 7 host; Mac OSX guest; Guest does not need internet connection; Guest needs to share a folder with host. Guest uses host-only Virtual Box ...
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1answer
44 views

How to virtualize windows already installed on the hard disk in Ubuntu?

I have a hd with windows and Ubuntu installed in dual boot, I'm wanting to virtualize the installation of windows in ubuntu. Is it possible?
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171 views

How can I run the Blackberry 10 Simulator (VMWare VMX) in a Windows Azure VM?

I'm having some issues running the BB10 Simulator in my azure vm, but before I give up, I thought I'd reach out to the experts. My vm in Windows Azure is Windows Server 2012. It has 2 gigs of memory ...
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18 views

Ubuntu virtual machine login on VirtualBox appears as a very narrow bar

I have an Ubuntu 14.04 LTS guest running on virtualbox 4.3.14 on a Mac host. It was working fine until Ubuntu asked to install some updates. Since installing those updates and after a reboot, only ...
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68 views

Can't Access Static IP from VM on Different Network

I am running Parallels 10 on my MacBook Pro (Mav 10.9.4). The guest VM is windows 7. The network is set to be Bridged. I have installed a web server on the Windows Guest. I am using a static IP ...
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31 views

Run a VM on multiple machines

We have some developers who jump between a desktop machine and laptop depending on where they are working from. Desktop when at home or office for multiple monitor use and extra power for testing on ...
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1answer
85 views

Converting VirtualBox VM to Main OS? [duplicate]

I am running Windows 7 on my main machine, however I have installed Mac OS X Mavericks to a VirtualBox VM (on another hard drive) which I am tend to be using a fair bit. The VM is fully setup and ...
2
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27 views

Sending a non-maskable interrupt to a virtual machine with VMware Fusion

I'm using a virtual machine to do kernel debugging on Mac OS X because it's cheaper and more convenient than another computer. Unfortunately, contrary to the Windows equivalent, it's not possible to ...
0
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1answer
177 views

Windows XP virtual machine in VirtualBox fails to boot after disabling VT-x/AMD-V

I use VirtualBox 4.3.4 and i want to move a "Windows XP base VM" from my PC to my laptop. I have a 64-bit windows 8 in My PC so VirtualBox support CPU Acceleration and Hardware Virtualization. but ...
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0answers
6 views

How can I expose a dictd service to my local machine from a VM?

I have a dictd service running inside my VirtualBox server and I want to expose it to the machine that the VM is running on, I've set up the port forwarding in Vagrant and other services seem to work ...
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465 views

Cannot ping virtual machine (VMWare)

Here is the situation: I have Windows 7 on both host and VM. Network connection on VM is set to NAT, both machines are in the same workgroup, I have turned off password protection for shares, enabled ...
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39 views

Issue accessing Web service on Guest Win 7 VM (Parallels) from the Mac host

My Parallels Desktop 10 network configuration is set on Bridged network ->default adapter. I am trying to access a windows 7 guest OS from my Macbook Pro on Mav 10.9.4. I am able to access the guest ...
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2answers
32 views

Handling all files in windows7

I'm using Windows 7 at my home. I have a number of personal files. I want to share the files with my friends but they should not be able to modify or delete the files on my PC. Please guide me clearly ...
0
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1answer
44 views

Sharing virtualmachines between windows and linux hosts. What filesystem do I need?

In my current setup I'm using both Windows and Linux hosts, I've a bunch of VM in a partition and I need to use and access them from either hosts. I've tested a couple of filesystems with very poor ...
0
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1answer
195 views

Sleeping the host system while running a VM on VirtualBox

I've been using VirtualBox for a while now, and have always assumed that it must be unsafe, for the VM, to put the host system into sleep or hibernate while said VM is running. However, after learning ...
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19 views

Building failsafe system

As an assignment I have to realize failsafe webserver using Virtual machine. I have been trying it using a separate java program on host to monitor heartbeat of the vm and redirecting the http ...
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0answers
33 views

Increasing Java Heap Space causes IE 8 to freeze

I am running a large applet that performs better if the Java heap space is increased to 300m. I adjusted the heap space in the java control panel utility as I usually do and restart IE 8. This ...
0
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1answer
110 views

Configure VM network settings to ssh into a mininet VM

I am trying to configure my VM (mininet vmdk) network settings in order to ssh into it from my host machine. I am using virtualbox as my hypervisor. Per the Mininet instructions ...
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32 views

Equivalent to VirtualBox Oracle dev environment available for SQL Server?

Oracle has this wonderful option in VirtualBox where you can download a virtual Linux machine that is setup with SQL tools and a running instance of Oracle. This setup makes it much easier to test or ...
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49 views

Copy-pasting between two computers , or a virtual machine and host?

In my work, I find myself hopping between a VPN machine and my host machine to do work. Lately I've been using https://www.cl1p.net/ a lot , for copy-pasting between 2 computers. A nice site, ...
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0answers
94 views

How to run web application in virtual machine using tomcat in the real machine

I´m Java developer and I´m want to test the system in different browser. My virtual machine is Virtual Box and I´m using Windows Xp with Internet Explorer 6, so I want to access Tomcat application in ...
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586 views

Running OpenGL Apps on Android x86 4.4 R1 in virtual machine

I want to use Android x86 on a virtual machine on Windows 8.1 Pro, but I have Problems with OpenGl. I use the news Android Version (x86 4.4-r1) but I had also tried RC2. Android x86 is always ...
0
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1answer
224 views

Why do I need to install RSAT on Windows 8.1 for accessing Hyper-V Server 2012 R2?

Since Windows 8.1 has Hyper-V Platform and Hyper-V Manager built in to it, if I just enable the Hyper-V Manager on my Windows 8.1 client machine I should be able to access the standalone Hyper-V ...
0
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1answer
72 views

making a PCI soundcard work inside a Parallels Desktop virtual machine

im running Windows 8.1 inside Parallels Desktop 9 in Mavericks (mac) I have an ASUS Xonar Essence STX soundcard (PCI-Express) connected, is there any hope of making it work inside the windows virtual ...
0
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0answers
118 views

Cannot start VirtualBox NAT Network

I am trying to start a NAT Network using VirtualBox on Ubuntu 14.04. Both Ubuntu and VirtualBox are freshly installed. VirtualBox v4.3.10_Ubuntu r93012 installed from the Ubuntu repositories. When ...
0
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1answer
78 views

Unable to right click in Mac RDP session

I am connecting to a Windows Server 2012 VM (hosted in Azure) via Microsoft RDP 8.0.9 from my Macbook Pro. I am having trouble right-clicking within the VM using the trackpad. The usual shortcuts ...
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321 views

vagrant private_network with osx host/centos guest using virtualbox host-only networking

I cannot get host-only networking to work from host to guest or guest to host using e.g. ping, netcat or ssh. Sshing fails timing out. No packets are seen when starting wireshark on the host interface ...
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0answers
37 views

How to change Linux hot key

I would like to know if it is possible to change the hot key on a Linux distribution. I have already tried to re-configure the hot keys in the virtual box preferences but i have not been able to ...
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0answers
31 views

how to network between 2 ubuntu virtual machines (so that i can open a user via SSH from VM1 on VM2)

i've seen some answers that says edit the /etc/network/interfaces http://www.sudo-juice.com/how-to-set-a-static-ip-in-ubuntu-the-proper-way/#gather-info E.g auto lo iface lo inet loopback iface ...
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0answers
29 views

Virtual PC running MS-DOS 6.22 cannot boot SEAL GUI

I just don't understand this. I just don't know why SEAL doesn't work... :( Here is the error: