VirtualBox is a free, open source virtualization program from Oracle for the x86/x86_64 architectures.

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Linux NTFS-3G General Protection Fault when using OS X in VirtualBox

I have an OS X virtual machine in VirtualBox on a Debian host. The disk image is located on an NTFS partition (which is not the system's root partition), mounted using NTFS-3G. The machine was ...
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2answers
152 views

How can I create a vagrant virtualbox VM with a storage size of more than 8GB?

I've been trying all day to create a vagrant centos box with more than 8GB. It would be nice to know how to make my existing virtual disk bigger, but I would definitely settle for creating a ...
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170 views

Vagrant failing on Booting VM

Update Found this post https://forums.virtualbox.org/viewtopic.php?f=6&t=63556 There are security issues with 4.3.16r95972. I upgraded to 4.3.17 r96342 and everything is ...
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1answer
439 views

Can't simulate 64-bit operating systems on VirtualBox [duplicate]

My solution I tried to use VirtualBox to simulate Windows 10 Technical Preview, but experienced problems (see below). My solution was to use Hyper-V (as answered in this comment). How to access ...
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0answers
55 views

Cannot copy to or from shared folders in AndroVM-VirtualBox 4.3.14

Here it is clearly said that shared folders are supported in VirtualBox starting from versions released in 2013. But when I try to copy any data from androvm to /mnt/shared/Androshared folder, the ...
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1answer
777 views

Installing Guest Additions on VirtualBox running Windows 10 TP

So I downloaded windows 10 TP and installed it on VBox and due to the bad resolution I mounted the Guest Additions Disk and ran the .exe from the run panel using "VBoxAdditions.exe /force" and also ...
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2answers
2k views

Installing VB Guest Additions for Windows 10 Crashes Windows 10

After successfully installing Windows 10 on Virtual Box, I tried to install VB Guest additions on Windows 10 (using the Windows 8 compatibility trick). Though this resulted in a crash midway the ...
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1answer
220 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 ...
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1answer
561 views

VirtualBox kernal error in Windows 10 trying to run Vagrant

I installed Windows 10 on my computer like an idiot and now VirtualBox doesn't work trying to use Vagrant. The first thing I do is run "vagrant up" and I get this error... The guest machine entered ...
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3answers
24k views

Installing VirtualBox Guest Additions on Windows 10?

I am trying to install VirtualBox guest additions on Windows 10 technical preview, and am getting the following error: I imagine I am not the only one having this issue, is there any way to force ...
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2answers
224 views

Installing Windows 10 in VirtualBox and in MBM

I want to be able to test out Windows 10 in VirtualBox so that I don't have to reboot to switch to my main computer, however, it would be nice if I could also, when booting, boot directly into Windows ...
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1answer
77 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 ...
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1answer
53 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 ...
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0answers
156 views

Unable to SSH into freshly installed debian VM, “Permission denied, please try again.” error

I just set up a Debian 7 VM. I can ping my VM from host OS, which is Ubuntu 14.1, but can not ssh into VM. Here is the output of ssh -v EDIT: I am using virtulbox. I am not using any command line ...
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1answer
34 views

No IP adress in virtualbox, Ubuntu and metasploitable vm

I am trying to set up a lab environment with virtual box - Ubuntu, Metasploitable2 and Kali. When I run ifconfig in Ubuntu, I get the following output: eth0 Link encap:Ethernet ...
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0answers
34 views

Live VM snapshot without pausing the VM

Which virtualization systems support taking a snapshot of a running VM without pausing the VM? As far as I know, both VMware and VirtualBox pause a VM while taking a live snapshot. Technically it ...
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1answer
38 views

Alternative way of converting physical disk to virtual

I have a hard disk (60 GB, about 20 used) with windows XP I want to convert to a VirtualBox hard drive. I followed the instructions in [https://www.virtualbox.org/wiki/Migrate_Windows] but the process ...
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1answer
2k views

Windows 7 host VirtualBox full-screen crash [closed]

I have installed VirtualBox on my main drive. When I run (host: Windows 7, updated) my virtual machine works fine until I try to enable full-screen*. Then it crashes with the following error: The ...
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0answers
101 views

Slow apache requests on Ubuntu Virtualbox VM with multiple network interfaces

I have configured a VirtualBox Ubuntu VM for PHP / Wordpress development. It has two network interfaces: a host only and a bridged network. The second one is to provide an internet connection to the ...
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62 views

Windows 8.1 Task Manager network usage and Virtualbox

My question is related to this question: How to make windows task manager to show network usage? but I can't post there, because my reputation is 1. I have Virtualbox 4.3.16 (Latest) installed on ...
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1answer
69 views

import Virtualbox disc with snapshot

I have a VirtualBox discimage and a snapshot of the current state. How do I import them to my current Installation? I tried to create a new machine, creating a snapshot and replacing this to files ...
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0answers
31 views

Unable to connect VirtualBox VM

I have a MAC hardware running Darwin OS with 5 virtual box VMs installed on it. Today I have checked the xymon monitoring as I do everyday when I start my shift and found one of the virtual boxes is ...
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17 views

One-sided ping between two HostOSs in vbox

I am running HostOS Win8 which is 192.168.1.3. I also have two other devices connected with .1 and .2. On my HostOS there are 2 Virtual Machines. GuestOS WinXP which is 192.168.1.11 and GuestOS Linux ...
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21 views

How do I mount a shared folder on a virtual maching running from an external hard drive?

I have installed a virtual machine running ubuntu 12.04 on my external hard drive (detected as F:\ on windows 7 host where virtual box manger is installed). I would like to share a directory on ...
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1answer
35 views

Use Virtual Machine as Proxy in VirtualBox

I would like to network 3 VMs in VirtualBox. One will be running a proxy. Two will be unable to connect to the Internet directly, but be able to connect through the proxy VM. How should I go about ...
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1answer
306 views

Can I run Windows Phone 8 emulator (hyper-v) under an os in virtualbox/vmware?

My computer has Windows 8.1 Single Language, but I need at least Pro to enable Hyper-V. I have a Windows Embedded 8.1 Industrial Pro ISO and a Dreamspark key, but I have all my data on my hard drive ...
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288 views

Copy/paste and drag/drop does not work from host to guest in Ubuntu Virtual Box

I have just set up Ubuntu 12.04 in a VirtualBox (v. 4.3.15) under windows 7 host. I set clipboard and drag-and-drop to be directional. I can copy and paste from the Ubuntu to the windows side. ...
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37 views

Qemu within an ubuntu image(virtualbox) cannot ping the host

Im running QEMU within an ubuntu image (of virtualbox). This virtualbox is installed in a windows 7(host). The problem is QEMU cannot ping the host but it can ping the ubuntu image. Here's some of ...
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3answers
75 views

When using VirtualBox, is the host OS 100% protected from security issues in the guest OS?

More specifically, if I intentionally install all kinds of viruses and malwares on a Windows installation running inside VirtualBox on Mac OS X, can I cause any damage to Mac OS or even to the ...
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1answer
567 views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
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1answer
33 views

Can my virtual machine connect to the host's network?

I have the VirtualBox installed on my Ubuntu 14.04 (this is what I call the "host machine") and, into this VirtualBox, I have a Xubuntu based distro named Honeydrive (this is what I call the "guess"). ...
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3answers
29 views

How to create image in virtualbox?

I am running Mac. I installed recently VirtualBox to run an Ubuntu distro. I configured Ubuntu in VirtualbBox and installed all the software I need. Now I want to make it available to some colleagues ...
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48 views

System ERASED 2000 files suddenly without any user action. Can recover part of it but some files of importance are corrupted

On a Virtualbox WIN XP SP3 guest machine, the following situation occurred While I was working I had 3 opened windows as usual - Browser, notepad for writing notes in a txt file, and a PDF (thats ...
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2answers
55 views

Firewalling VirtualBox: restrict host inbound connections to guests only

I have Windows7 + Cygwin and VirtualBox. I would open a listening port on the host accepting only inbound connections from the VMs. Note: In many case the server services running on the host can be ...
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145 views

Visibility of application menu and menu bar in Ubuntu with Unity

I am using Ubuntu 12.10 i386 on virtualbox (4.3.15 on windows 7 host). Uses Unity :-( The applications menu is set on the system menu. The app only has the top bar with the little buttons to close, ...
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1answer
44 views

Access website on one VirtualBox guest OS from another VirtualBox guest OS

I'm using VirtualBox on a Mac. I have a virtual machine running Linux on which I'm developing a website. Its hosts file has: 127.0.0.1 localhost 127.0.1.1 my-test-site.gyford.com I can then access ...
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1answer
66 views

VirtualBox RAM memory issue

Host PC: Windows 8.1 Enterprise x64 Processor: 3.4 GHz Intel Core i3-4130 RAM: 4 GB DDR3 I'm creating a virtual PC which will run Kubuntu 14.04 LTS. I lost the ISO but have a bootable USB stick ...
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26 views

Any reason why not to share my whole user folder in VirtualBox?

I am running VirtualBox on a Mac OSX Host. For some legacy software I have only Windows licenses and would occasionally like to run Windows alongside my normal workflow. As some of the programs I am ...
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2answers
75 views

virtualbox increase cpu cores script wise

1x cpu core is not enough for an SMB filesharing Ubuntu box. How do we poweroff the VM at midnight, increase the cpu cores 1->2, and power on that box (script-wise)? (it's a windows host... but ...
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1answer
33 views

Lost VirtualBox Snapshots When Moved to a New Machine

I had VirtualBox running on my old Windows Vista machine. I was upgraded to Windows 7 on a new machine, and so I have VirtualBox re-installed fresh. I had copied all my VM's from my old machine to a ...
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1answer
152 views

VirtualBox on SSD - Macbook Air

I have a MacBook Air with a 256GB SSD. I want to use VirtualBox to run a Linux distribution alongside with OS X. If I create, say a 20GB virtual hard disk in which to install the Linux distribution, ...
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1answer
464 views

Kali Linux - Fast TSC Calibration Failed When Trying To Install 1.0.9 on VirtualBox

I'm trying to install Kali Linux 1.0.9 on VirtualBox, but upon selecting Install, I get a "Fast TSC Calibration Failed" error then the VM closes down automatically. Any help would be appreciated, ...
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20 views

Binary vs build Virtual box

Does the build version of Virtual box have better performance than the binary version for a Windows host? I have tried many binary versions, but their has always been some bar of performance it can't ...
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0answers
31 views

Mixed HyperV and VirtualBox network running across multiple pcs connected by a switch

I have access from time to time to 3 laptops (each of different age/spec) and would like to make use of the resources to setup a network/windows domain (or multiple domains) connecting the laptops to ...
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1answer
102 views

VirtualBox can't create 64-bit VM after reboot

Host: Windows 7, 64 bits. Processor: AMD Phenom II X4 965, quad core, 64 bits Since I upgraded to VirtualBox 4.3.1.16 I am having this issue. After installing the VirtualBox exe I can create 64 bit ...
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1answer
86 views

Bridged Adapter in VirtualBox's guest OS not working

My problem is that Bridged Adapter doesn't work on my GuestOSs in VBox. I have two GuestOS, windows and Linux. Both have internet connection when using NAT and both can't connect using Bridged ...
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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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0answers
56 views

How to connect to VirtualBox CentOS VM via FTP?

I am wondering how I can connect to my virtual centos server in VirtualBox VIA FTP so that I can upload and grab files. I dont really want to setup shared folders. Thanks
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18 views

How to run a OS installed in External HD in VM

I have Kali installed in my 1TB External Harddrive. I can't reboot system again and again to run Kali. Rather i want to run it in VirtualBox and at the same time i want to use Windows8.1. How can i do ...
0
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1answer
56 views

Windows 7 - Windows Vista compatibility layer software?

I've bought a dictionary which came with a software version of the dictionary. Unfortunately, while this installs on both my Windows Vista and Windows 7 PCs, it will crash when I run it on Windows 7 ...