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

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Installing Another Virtual machine on a virtual machine using oracle linux 5.8

I am implementing Oracle RAC using 11.2. For shared disc option and low cost, we are planning to use Virtual Machines. I have installed one virtual machine (PARENT) Specifications: Oracle Linux 5.8 ...
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22 views

Running virtual machines on a virtual machine

I would like to have several virtual machines, to start and stop them at will. But the base machine is itself virtual. Is this doable? Which virtualisation software is capable of doing this?
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27 views

Resizing physical partition from Virtual Machine

I would like to use a GParted live CD to resize some partition on my laptop. Unfortunately I don't have an USB disk/CD to write the image on. Is there a way to boot gparted on a virtual machine and ...
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36 views

Using hard drive in virtualbox

I have a virtual-box virtual machine with Ubuntu OS. I have configured a vmdk virtual hard drive. I need to use a HD I added to my PC on my virtual machine. How can I mount this HD to my virtual ...
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52 views

Remote USB debug for Android

I intend to develop Android but my computer has limited capabilities (low on disk space and CPU resources), so I thought of the following: I use a virtual machine in the cloud (preferably Azure) ...
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53 views

VirtualBox Vista Guest can't see host network

I virtualized a Visa Ultimate machine and need to run it via Virtualbox on a Windows 7 host. Both are members of a domain administered by SBS 2011. For some reason the Vista VM would only see the ...
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42 views

In VMware does a shared folder between a guest and host OS take room on both file systems?

Let's say I have a host system with a 100GB of free space and a guest system with 60GB of free space. In the guest system if I were to download a 1GB file and put it in a shared folder, how would this ...
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1answer
99 views

How can i backup a ESXi VM to an attached USB storage

I have Esx installed on IBM 3450 server. I want to make backups of my VM on attached USB device in server. My network speed is very less so i can't backup and copy through network. Is it possible ...
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2answers
489 views

virtualbox: new host key combination not saved after change

I want to change my host key combination in the Virtualbox that is currently alt gr. To do so, I go to: file -> preferences -> Input -> Virtual Machine , then clicking on the field beside ...
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30 views

Accessing an unrecognized device in a VM from the host

I am running Windows 8.1 and am using Oracle VM VirtualBox. My VM is running Windows 7 because there is an even bigger issue with compatibility with fastboot and Windows 8/8.1. Anyways, my question ...
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39 views

Which port of esxi server i can use with veeam backup

I have esxi server on my server. I can connect to it via vsphere client suvvessfully. I have just installed veeam free backup and it tries to connect via same ip and port 443 But it says can't ...
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1answer
64 views

How can create virtual machine from ovf in ESXI via vsphere client

I had virtual machine exported in OVF format Then i went to vsphere client and click on Deploy OVF template. Then i choose the ovf from my local window machine and vmware starts uploading that to my ...
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15 views

A way to simulate slower pcs using my application [duplicate]

We are looking for a way to emulate a slow PC, using any virtualization technology. Our goal is to cap the network speed and simulate a CPU with fewer GHz.
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78 views

Is there a way to get host Hyper-V UUID from linux gest?

I have a CentOS 6.4 runing on Hyper-V VM. If I export the VM to other Hyper-V server, the UUID keeps the same. Is there a way to avoid this, or use other identifyer to know that the host hardware have ...
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19 views

Seeding RNG with clock in application running on virtual machines, reliability issues?

How reliable is using the current time to seed random number generators for applications to run inside a virtual machine. The application is not related to security, and the virtual machine settings ...
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2answers
27 views

Get a windows 8 host to access a website hosted in a windows server guest

I am running windows server 2012 as a guest(using Oracle Virtualbox) on a windows 8. I have a website hosted on the guest OS which i can access in a browser inside the guest. I would like to be ...
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24 views

How can i export virtual machine in virtualbox with snapshots

I have VM on virtualbox with 15 snaps shots saved. Now i can export to ova and ovf with export but that does not include all snapshots of parent VM. Is there any way so that i can put all snapshots ...
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16 views

Which Windows settings to apply inside a virtual machine?

I am looking for good settings to make within Windows when Windows is running as a virtual machine. My virtual machines are used in the following environment: used during Software development used ...
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3answers
46 views

Virtual Server or Not?

I have been in an argument with a very stubborn guy for a long time about whether his server is virtual or dedicated. He uses his Root server for gameservers, the servers have problems with lag. I ...
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283 views

SCCM 2012 R2 Task Sequence fails with error 0x80070032

I'm trying to capture an image for using in SCCM 2012 R2 to deploy computers in my organization. I have a build and capture task sequence set up and deployed it to my unknown computers. When I try ...
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4k views

Cannot Share host directory with VirtualBox Guest Mint 16 64 bit

Problem When attempting to mount a shared directory from Linux Mint 16 VirtualBox guest OS, I receive the following error: mount: wrong fs type, bad option, bad superblock on hostshare, ...
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1answer
155 views

RDP can't reconnect after connection drops

We have a number of development VMs running which we typically access through RDP. After a few hours the connection will drop leaving us unable to reconnect giving the following message: This ...
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23 views

Is it possible to do vm backups on external drive on esxi

I have Esxi on IBM x 3450. I have datastore where i have stored my VM. My requirement is backup VM on either USB drive attached to ESXI (NTFS) -- (so that i can plug USB anywhere) Network shared ...
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112 views

How to boot from CD even if BIOS doesn't allow this?

Recently I've helped user who had such problem: I have really old machine that has no USB ports and it's BIOS doesn't allow to boot from CD. However, it has Windows XP onboard. How can I install ...
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309 views

is ajenti a cpanel/virtualmin replacement?

i am looking for a website account management on a server; i own and manage an almost classic "reseller" shared host VPS; i host several "Accounts", each account has 1 subdirectory, own domains ...
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63 views

How to Installthe newly released MS DOS OS on a Virtual Machine

Since Microsoft have released the source of 2 old versions of MSDOS for free, I downloaded the ZIP, converted the contents of the v20object folder to an ISO, created a new virtual machine with ...
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3k views

Hyper-V Clipboard and Integration Services in Ubuntu

I have Ubuntu 14.04 running in Windows Hyper-V. I am experiencing a problem with the Clipboard (copy from host to Virtual Machine), it is not working correctly (It was not working with Ubuntu 12.04 ...
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Where can I get windows 1.0 ISO file? [closed]

I am pretty curious to see and try out windows 1.0 as a virtual machine on my VMware Workstation, but am unable to get its ISO file. Can anyone please suggest me a good place(except search engines, I ...
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58 views

How can I learn how to manipulate files and directories in Sage using VirtualBox?

SuperUsers: I thought about posting this here and at StackOverflow, and decided that here was probably more appropriate. I'm not a computer person, and I rarely post either place. I could not find ...
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148 views

Vsphere Esxi 5.5 only shutdown permission to local user

I have created a normal user in ESXi, I want to allow that user to shutdown the ESXi server directly from console by pressing F12 key. I have given this permission (Host’ –> Configuration –> ‘Power) ...
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15 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
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68 views

VPN access kvm guests

OpenVPN is installed on my host system running kvm as virtualization and I've several guests with static/public (Bridged) and private IPs (NAT), every guest uses Samba to share some folders. how can ...
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Windows 8 Hyper-V sporadic network connectivity

I have a Windows 8.1 pro host and an 8.1 pro VM. I'm using an external virtual switch to allow the VM to connect to the network and get internet connectivity. When this works, all is dandy and I can ...
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153 views

Disabling annoying VMware Player tool tip “To release input, press Ctrl+Alt”

[Same as Hide annoying VMware hint "To release input, press Ctrl+Alt" but for VMware Player, because that answer was for VMware Workstation] When starting the VMWare Player, at the top it ...
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377 views

All VMware (Player) Machines are “corrupt”

I have been using VMware to run a virtual machine for testing my apps, but suddenly, when I start up my VM Instance, it runs for a short while, then starts showing: The operation on file ...
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167 views

Restoring VMware Fusion virtual machine from Time Machine Mac OSX

I was having problems with my keyboard and the genius bar people at the Apple store told me to make a backup of my computer and re-install the operating system. I did so and the computer is running ...
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115 views

Permission problems with a mounted NTFS VM volume

I’m trying to migrate a VMPlayer system to VirtualBox, but the migration isn’t working (I’ve already spent hours trying the small handful of solutions people have suggest and eventually given up). As ...
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2answers
73 views

How do I encrypt a VirtualBox VM? [duplicate]

I am running a server on a linux box and want to run some things for my other home computers in a virtual machine. I would like to encrypt the VM and shut it down when nobody is home, but keep the ...
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27 views

VirtualBox host key stops working

I'm running an Ubuntu virtual machine on a Ubuntu host on my laptop. A majority of the time when I switch from my host to my virtual machine (full screen) the host key stops working. Now that I'm in ...
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23 views

Can you make a windows login end up directly in a virtual machine?

Is it possible to configure Windows 8 + VirtualBox so that a login to a specific account directly brings me into the virtual machine? The idea here is a guest account that does not only have fewer ...
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38 views

Shrinking NTFS drives (in virtual machines)

Sometimes it’s useful to shrink the drive image of a VM to reduce wasted space on the host. We do this by defragmenting and compacting the contents of the virtual drive, wiping the free space, then ...
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42 views

creating a network between localhost and virtual machine

Ok I have this machine of mine in a network (in an external domain) and I would like to create in it a virtual machine, which should be able to connect and communnicate with the host (main machine) ...
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1answer
22 views

virtualbox changes get lost

How do I copy virtualbox machine to another host (with somewhat different hardware configuration, at least with different CPU) without losing changes made? Both hosts are running Windows 7/64 bit ...
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1answer
222 views

VMware VM with CentOS latest too slow while try to access PHP sites through browser

I have a instance of VMware Workstation 10.0.1 running in my PC. My PC has this configuration: Proccessor: Core i5 3120M Memory: 3992 MB OS: Windows 7 Ultimate, 64-bit 6.1.7601, Service Pack 1 The ...
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1answer
121 views

Can't create symlink on Windows VM's mapped network drive

I have a Server 2008 VM (Parallels 9), and I share a folder from OSX via a mapped network drive "T:". I am trying to make a symlink from one folder on T: to another folder on the same drive, like so: ...
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2answers
111 views

Encrypting a VM and folder

Problem: I have a VM that I want to use to store extremely sensitive data. What I would like to have: Full VM encryption, as well as encrypting a specific folder on the VM so that it can only be ...
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Can I use the same VHD file to switch back and forth between boot to VHD and a Hyper-V virtual machine?

I'd like to physically install Windows 8.1 Pro and convert my existing physical Windows 7 machine to a VHD as I'd like the convenience of using a Hyper-V virtual machine to access it without having to ...
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45 views

Virtual machine internal network - same host

If I have 2 VMs (web server + db server) on same physical host, how can they communicate? Being on the same host what speed can expect? Its CentOS KVM. What is the situation with SmartOS Zones where ...
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19 views

Virtualbox VM changes ethX ip after some time

Today I needed to test some things on a local webserver, and since I already have apache installed by default on a linux VM (backtrack 5) I decided to do it there instead of installing WAMP on my W7 ...
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42 views

2 Virtual Machine on 1 core

I have a few computer installed with Hyper-V... I running some automatized programs on it... if I using 1 VM/core works like charm... and i can see its not using the 100% of the core... so i thought I ...