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)

3
votes
1answer
506 views

VirtualBox crashes Ubuntu 16.04 vm's

Host: xubuntu 16.04 amd64 Guests: xubuntu 16.04 and lubuntu 16.04 The vm crash right away when booting for the very first time from the desktop iso's. The screen gets garbled. And that's it. The ...
0
votes
0answers
53 views

Unable to ping anything on virtual machine

I got a virtual machine image for my course (there is a development env setup) and I can't create a same setup, so I need to use this. It's an older Arch Linux (uname -a says 2013) with 3.8.4 kernel ...
0
votes
0answers
17 views

Relation between memory host and memory arguments xms and xmx from Java

I have the following host with the memory details: $free -m total used free shared buffers cached Mem: 7872 7579 292 17 483 ...
0
votes
0answers
52 views

how to migrate virtual to physical disk

My plan is to migrate open virtual format(.vmdk,.raw,.dmg,.vdi) to physical partition. I tried to restore virtual file to USB using powerISO but didn't boot. I've .dmg and vmdk file, how to migrate ...
0
votes
0answers
26 views

Mounting virtual USB storage device for use in VMs

I am looking for ways to mount a virtual USB storage device (containing some of my files) to several VMs (running Windows 7 and XP) on VMware. So far, I have tried using ImDisk. ImDisk is capable of ...
1
vote
1answer
30 views

Trick PC into having a physical and virtual DVD Drive

At school, I've got a server running to which I can make a VPN. Now, I need to set up a few VM's with all having a need for a different OS. I can't physically go to school to change a boot DVD, so I ...
0
votes
0answers
42 views

How do I install MS-DOS6.22.exe in a Virtual Machine

I downloaded a version of MS-DOS 6.22 from Microsoft's DreamSpark website to run inside a virtual machine but found that the file is a EXE and not format the VM will except. I tried to format it into ...
-1
votes
1answer
12 views

Create a VirtualBox VM from an existing bare metal Windows installation

I have Windows 8.1 installed on one computer. I want to use it as a VM under VirtualBox on another computer. Is this possible? If so then how? All I'm trying to do is save a ton of time going through ...
0
votes
0answers
29 views

run virtual box machine(kali linux) guest on psiphon(vpn) proxy on windows host NAT/Bridged

I have windows operating system and psiphon installed and running. My isp has blocked some sites hence i have to use psiphon. I want to use Kali linux in virutal box. But problem is that i wish to run ...
0
votes
1answer
82 views

Turn off HyperThreading without BIOS

I need to turn off HyperThreading from my i5-3210 notebook since it hinders my IDE performance. My i3 took about 10+ seconds from compile to run in my Android VM, same code runs in my AMD in about 10 ...
0
votes
1answer
51 views

cannot mount vmware tools cdrom in VMware Player

Yes I know, there is another thread but I have another issue. I am using Windows 7 as host and debian 8 as client. I have configured a cdrom device in VM-Ware config and I have choosen the debian-8-...
0
votes
0answers
35 views

How Do I Pass a USB Device to a Virtual XP PC When The Drivers Are Not Installed On the Host?

I have a Canon eos D30 digital camera that there are no Windows 7 drivers for, so i cannot connect it to my laptop. Canon are not even thinking about making any drivers and are never going to be. I'...
0
votes
0answers
5 views

VirtualBox guest (Windows 7) resets host (Slackware 13.1)

As pointed in the title I'm in a situation where a VirtualBox guest (Windows 7) resets host (Slackware 13.1). This happens when the guest (Windows) in booting up. The same happens with two virtual ...
0
votes
2answers
39 views

Protecting Virtual machine from being copied to other hosts

I'm deploying a web application on a linux server (ubuntu) on virtual machine (In VMWare ESX 5.1 and the host machine is Windows) I need to protect the entire application and guest OS from being ...
0
votes
0answers
1k views

Using a Parallels Hard Disk image in VirtualBox

The question has been asked before, but there appear to be no current solutions. I have a current version of Parallels 11, and a current version of VirtualBox 4.3. I have an existing Windows image in ...
0
votes
0answers
169 views

How to enable OpenGL 2.0 support on a Windows guest on VirtualBox

I am trying to run some games on Steam (specifically Dota 2 Reborn) on a Windows 7 64 bit guest under VirtualBox running on a Fedora Linux 23 64 bit host. I have enabled 2D and 3D acceleration on the ...
0
votes
0answers
38 views

How to reach VMware host from guest without changing IP address all the time

I have no trouble accessing my VMware host from the guest (as covered here, for example). That's easy. But once I've set up my (Windows) guest's hosts file to point to my (OS X) host's IP address, ...
0
votes
0answers
51 views

Windows Server 2012 AND Hyper-V: Port forwarding on VM

I've this configuration: - Windows Server 2012 with 192.168.1.10 IP address, direct connected to the switch, with some VM on Hyper-V - Virtual Windows Server 2012 (192.168.1.11) that run on the real ...
0
votes
1answer
97 views

ErrorCode: TargetDiskBlobAlreadyExists

I am creating an AzureRM VM using existing VHD, the error which I received is New-AzureRmVM -ResourceGroupName $rgname -Location $loc -VM $vm New-AzureRmVM : Long running operation failed with ...
1
vote
0answers
60 views

Is it possible to activate a Windows 10 Pro virtual machine on the same keyed host?

I've built a couple computers for my kids, and naturally they want to play MineCraft and whatever other games. So, we purchased full versions of Windows 10 Pro. I don't really have time to "manage" ...
0
votes
1answer
31 views

How to fix connection loss in VM?

My virtual machine loses the internet connection sometimes on linux and I need to stay connected constantly. So I wrote the following script: #!/bin/bash wget -q --tries=10 --timeout=20 --spider ...
1
vote
0answers
25 views

SSH into a VirtualBox VM that was configured via command line

I am trying to set up a cluster of VMs on my Ubuntu laptop so that I can test some distributed code. My goal is to execute a shell script that will spin up the configuration and another script to tear ...
0
votes
1answer
16 views

How can I share a Virtual Machine between computers using something like Dropbox?

I'd like to be able to create a virtual machine and have it 'synced' to another computer via a service like Dropbox. The scenario here is: I have a computer at home, and a computer at work. I use a ...
0
votes
0answers
14 views

virtualbox bridge networking require router

I've set up Win7 host and multiple XP guests using bridged networking for a specific reason and found an interesting behavior: while all bridged guests don't require host's ethernet wire to be ...
0
votes
0answers
17 views

I can ping from my PC to VM on ubuntu but not the way around

I have installed ubuntu 12.04 on Windows 7. I can ping ubuntu VM from my desktop but not the way around. I have disabled firewall both on desktop and VM & I have enabled icmpv4. On VM I can ping ...
0
votes
0answers
71 views

Drag and drop won't select on VMWare Workstation 12 Pro (12.1.0 build-3272444)

I am attempting to enable drag and drop into the VM for an openSUSE distro (latest Tumbleweed) I have running in VWWare Workstation. However, when I attempt to enable the setting in Workstation it is ...
0
votes
1answer
66 views

External hard drive not being recognized by Windows virtual machine on Mac

Using: VMWare Fusion 8.0.0, El Capitan 10.11.4 on MacBook Pro (Late 2013), Windows 10 x64 (trial version by the way), LaCie 1TB Porsche Design Mobile Drive (USB 3.0, NTFS) Goal: Read/write/delete/etc ...
0
votes
0answers
77 views

How to Change Screen Size in Ubuntu in Hyper-V

I installed Ubuntu Desktop as the guest operating system of Hyper-V. I assume it is the latest version of Ubuntu Desktop, and it won't be an issue. Hyper-V gives a default screen size that I cannot ...
0
votes
2answers
111 views

Can Virtual Box/VMware infect the host PC when testing Cryptolocker?

Can cryptolocker encrypt the host PC if I test it on a Virtual Machine? Currently I am using 'NAT' as my network type or whatever...
0
votes
0answers
18 views

No internet on Virtual Windows Server 2008

i am having a problem with internet connection on windows server 2008; So basically what i am trying to do is setup a dns and web server with windows server 2008 which is virtual on vmware workstation ...
0
votes
0answers
40 views

how to Increase VM disk without reboot on Linux redhat 6.x + LVM

I increased the second disk in VM machine from the VSphere client GUI as the following: By right click on the machine --> edit settings --> hard disk2 --> increase the disk from 1G to 2G Then I ...
0
votes
0answers
11 views

ClouderaVM in 2 Different Machines are not Pinging Each Other

I am using cloudera-quickstart-vm (VirtualBox) in 2 different systems with bridged mode of networking to implement hdfs (in a distributed manner). Host System: Windows 7 Guest OS: CentOS 6.5 /etc/...
1
vote
1answer
48 views

Problems with virtualbox ubuntu

I'm trying to get a Ubuntu VM running on my Win 10 machine . I don't have much experience with this (did it once a few years ago on a different machine, and didn't have any problems), and I'm not ...
1
vote
2answers
51 views

Hyper-V Ubuntu can't connect to internet via external network adapter if it also has an internal network adapter

I have an Ubuntu 14.04 Server running as a Hyper-V VM. It has an external virtual adapter and an internal virtual adapter connected to it. The external adapter eth0 gets an ip from 192.168.1.x ...
0
votes
1answer
180 views

libvirt: “Failed to initialize a valid firewall backend”

What I'm tryna doing I'm trying to set up a virtual NAT network device without DHCP for libvirt on an Arch Linux host. What I've done so far # virsh net-define network.xml Network default defined ...
0
votes
0answers
14 views

Activate vxm on Chromebook C720

Not sure if this is possible, I have a Chromebook C720 running crouton, I need to turn on vxm in the BIOS, but as far as I remember I have never entered a BIOS on the device. Has anyone had success ...
0
votes
0answers
16 views

VirtualBox Disk Image (VDI) is larger than content but --compact doesn't work

I have a dynamic VDI image with 12 GB of data: Filesystem Size Used Avail Use% Mounted on udev 2.0G 4.0K 2.0G 1% /dev tmpfs 404M 1.1M 403M 1% /run /dev/sda1 ...
0
votes
0answers
31 views

VirtualBox can't start any VM

I have VirtualBox v.5.0.16 r105871 running on Windows 7 Professional x64. And it can't start any virtual machine (I've tried Win7, WinXP, Ubuntu). I get same errors: And then: The only thing I ...
0
votes
0answers
6 views

Capturing virtual machine traffic from Mac OS

I am running Windows 8.1 pro on VMware hosted by Mac OS. I want to capture the VM traffic via Wireshark installed on Mac. The Network Adapter on VM is set as Bridge (Ethernet). When I set Ethernet:...
0
votes
0answers
72 views

Local ovf to Hyper V using Virtual Machine Converter with Powershell

Now that I want convert and import a vmware VM to Hyper V. My ovf file with vmdk amd mf files are located in C:\OvfHVTest2. I used the command in powershell: Import-Module "C:\Program Files\...
-2
votes
1answer
14 views

Cache big file downloads systemwide on Windows

I'm on Windows 8.1 and I'm working with a lot of scripts that automatically download Linux images and create VMs with it. Also docker images etc. and these VMs or docker images are downloading a ton ...
0
votes
1answer
13 views

Use Host VPN in Guest VM

I have a host Windows 7 OS running a guest Lubuntu OS in VirtualBox and I'm trying to configure it so that the Guest OS will use the Host VPN. So a couple quirks, when the VPN is turned off the guest ...
0
votes
2answers
22 views

Use network adapter for VirualBox only

I currently have to set up a virtual machine to a public IP. I'm using a second Ethernet adapter for that. That adapter is directly connected to the wall socket with the public IP. Here's the thing: ...
-4
votes
1answer
37 views

What does a hypervisor means in the context of virtual machines?

In this Harvard lecture about HTTP and VPS at min 59:00 https://www.youtube.com/watch?v=8KuO4r5CHjM the lecturer talks about Virtual Private Servers and Virtual Machines. He said that they are managed ...
0
votes
0answers
21 views

What does overprovisioning mean in the context of virtual machines?

I am watching a lecture from Harvard and it talks briefly of the overprovisioning problem the VPS servers have and I did not meed this term before.
-1
votes
2answers
25 views

What is the difference between a virtual machine on which you can run an virtualized OS on it and a virtual machine like Java VM? [duplicate]

It seems that they are quite different things but everybody uses the same term for them.
0
votes
0answers
31 views

Using existing Windows OS (that I can't boot into anymore) as a virtual machine

I have a drive with my operating system on it (Windows 7) that I can't boot into anymore because my motherboard fried. I don't need any data, I just want to boot into the OS once to copy some ...
0
votes
1answer
28 views

Fedora failing to install on VirtualBox in Mac OSX

I'm trying to install Fedora on VirtualBox on my MacBook. I set up a VDI drive from the selection list and allocated 20gb hard drive space and 4gb of ram. Boot up the machine and load from the Fedora ...
0
votes
0answers
18 views

VMware Tools Update automatically

My Setup VMWare Workstation 12 Pro Windows Virtual Machines VMware Tools Update is configured to Update Automatically Select the virtual machine and select VM > Settings. On the Options ...
0
votes
2answers
99 views

Access to vmware shared folder from linux guest

I am running a linux distro in my wmware and I wanted to share some file between my guest (linux zeroshell) and my host (windows 8.1). For this I saw that there is an option in wmware in Virtual ...