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

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Virtualbox Popup Info after mouse is captured

As of this posting, Virtualbox pops up a pretty big info screen saying lots of stuff about mouse capture/host key stuff. In my haste, I clicked to not show this popup, but I'm kind of regretting that ...
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Is a 32 Bits Windows 8.1 Virtualization without VT-X possible?

I have the following processor : Intel T6500 I want to launch a VirtualBox from within a Mint 17 x86 (/dev/sda3). And then, in the virtual box, launch my Windows 8.1 x86, which is installed on the ...
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VirtualBox: create a serial port bridge to the same VM

I'd like to make a bridge between Serial Port 1 and Serial Port 2 on a VM. Practically this would route all data from VM Serial Port 1 back to VM Serial Port 2 so that an application listening on ...
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vagrant config with public iface problems

I have Vagrant/coreos 3 node configuration in VirtualBox with config.vm.network "public_network", bridge: 'eth0: Wi-Fi' when coreos nodes come up they have for some reason 2 network ifaces: eth0 that ...
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22 views

Virtualbox vm goes into aborted state whenever Macbook goes to sleep

I'm running Yosemtie OSX (10.10.2) and Virtualbox 4.3.22. Whenever my macbook goes to sleep, my vm goes into "aborted" state, and does not recover (i.e. has to be manually restarted/booted). Looking ...
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Making a pgAdmin connection to PostgreSQL running on VirtualBox

I have a CentOS 6.5 development server that I installed postgresql on. It runs fine and I can connect to it from my computer using pgAdmin all works perfectly. I recently created a backup of this ...
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14 views

Windows XP machine doesn't see Debian disk in VirtualBox

I have created a test Windows XP machine for testing software. I also have an old Debian HDD. But I have forgotten my Debian password (it last ran 2 years ago). I think I'll either reset the password ...
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1answer
11 views

How do I set up VirtualBox 'multi-site' test lab?

I have VirtualBox installed on a machine at home. What I would like to accomplish is to set up two (or maybe more) different subnets within the Internal network (completely isolated from my home LAN). ...
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15 views

Accessing a virtual machine outside a network

I've set up a virtual machine (using VMware, running linux mint, also had another one running RHEL 5). Now in the coming future, I'd like to develop a project which would involve remotely accessing ...
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9 views

Allocating server CPU cores to virtual box guests for heavy compute, light i/o load

Please share your recommendations for allocating CPU cores to guests on big iron. I am asking basically this question 6 years later: Is there an optimal setting for the number of CPU cores exposed ...
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9 views

vagrant re- installation problems

I had to move my environment to new account "newname" from the old one "oldname". I cannot re-initialize vagrant ( i tried vagrant init, or manually deleting /Users/newname/.vagrant.d), it still ...
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running multiple versions of iTunes on one machine

Does anyone know if multiple versions of iTunes can be run on a virtual Windows 7 machine? My intent is to have two separate iTunes Media Folder directory trees, with a different version of iTunes ...
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20 views

Mount existing partition on VirtualBox

I've been trying to boot my Windows 8.1 on a VirtualBox machine under my Linux Mint 17. Everything is in x64. I've installed VirtualBox and its GUI to do so. My Windows 8.1 is on /dev/sda2, my Mint 17 ...
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17 views

Windows 7 emulate wifi pci card as usb

I have a pci wifi card which I want to share with my ubuntu guest (virtualbox) so that it can act as a wireless router. I know that virtualbox doesn't allow pci passthrough so is there some software ...
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9 views

2nd monitor absent in VirtualBox

I'm using VirtualBox but cannot get a second monitor for my guest. Why not? As you can see in the screenshot, the Win7 guest actually thinks it has two monitors, but there is no window for the second ...
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14 views

How to transparently conduct all traffic through a Proxy? [closed]

I want to transparently conduct all traffic in Windows 8.1 through a proxy, which means: all applications, all network sharing, all virtual NAT and bridge made by virtualbox, and so on, as if the ...
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9 views

Connect 2 physical machine drops Internet connection

I have 2 physical machines, with 2 VM on the first physical. I have been trying to connect 2 physical machines via RJ45 and give internet to the "lan" via NATting RNDIS on one VM (gateway) and routing ...
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64 views

Randomly getting booted off of SSH despite sending keepalives

I’ve cooked up a Debian 7 virtual machine (with VirtualBox) in an attempt to play with setting up my own server and other such cool tricks. This is all on one computer. I can SSH into the virtual ...
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Unable to log into encrypted root drive after running virtual machine [duplicate]

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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26 views

LinuxMint 17.1 / Ubuntu 14.10 get stuck on reboot after install in VirtualBox

Trying to install LinuxMint 17.1 / Ubuntu 14.10 and it is getting stuck on the reboot phase after I install it in VirtualBox 4.3.20 r96997. How can I get this fixed?
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26 views

cannot mount vagrant synced folder after packaging box

I have created a vagrant box on osX. With the following configurations I can start the box to use a synced folder. config.vm.box = "mac_osx_1010" config.ssh.insert_key = false ...
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22 views

Emulating an older OS to use printer on windows 7

I've searched the internet inside out for windows 7 compatible drivers for my printer HP Color LaserJet 3550. I've also tried using a version lower and higher drivers to no avail. Windows 7 still ...
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19 views

How to shrink accidentally expanded VDI?

I've accidentally expanded a dynamically allocated VDI image to ~150TB instead of ~150GB using VBoxManage modifyhd (a lesson to learn: [--resize <megabytes>|--resizebyte <bytes>]) Now, ...
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38 views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
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1answer
19 views

How to connect VirtualBox guest to the host using a VIRTUAL cross-over cable?

Is it possible to configure an Oracle VitualBox guest settings such that is connected to host by a virtual cross-over cable?
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12 views

Can I tunnel to a host-only device?

I have a tricky routing/tunnelling question, hoping someone can help. My setup is this: On my lan, I have a Ubuntu workstation and a Windows 7 PC. The Windows 7 PC is running Oracle Virtual Box, and ...
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18 views

Does Upgrading VirtualBox affect guest OS activation (Windows 7)

I am running a retail edition of Windows 7 as a guest OS in VirtualBox. Windows 7 activation is sensitive to hardware changes. In the case of a virtual machine, the hardware is mostly emulated. In ...
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12 views

Problems migrating a Windows XP virtualbox from UBuntu 12.04 to 14.04

I've recently re-installed my (now) Ubuntu 14.04 based server which was previously running 12.04. The server is headless and I used to be able to connect in via remote desktop but for some reason I ...
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46 views

Win7 pegging CPU at 100% from wuauserv - why?

I've used Win7 as a guest with an Ubuntu host in VirtualBox for 5+ years now. Recently, either a VirtualBox update or Win7 update has caused it to peg the CPU at 100% for hours, every time I boot it. ...
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22 views

Share a VirtualBox guest machine folder with host machine

My question is simular to this question. Since the question was asked years ago, virtualbox development has changed owners. In my case I have windows 8.1 running a windows 8.1 vm. Is there a way to ...
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16 views

VirtualBox (or WMWare) use VPN as Ethernet connection

I want to create VM and I want that guest OS (Windows) have internet only from VPN, that is created on Host OS. If VPN connection on HOST OS in off - Guest VM must not have any internet, ethernet ...
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30 views

Vt-x is disabled in BIOS - Failed to open a session for the virtual machine Kali Linux 1.0.9

I am trying to load Kali Linux(kali-linux-1.0.9a-amd64) on Oracle Virtualbox and encountering the following error. How do I fix this?
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Virtualbox no internet connection at guest OS

I am newbie in this virtualbox thing. So i have no idea how to configure network settings. I have Windows 7 (32bit) as Host OS and Ubuntu (32bit) as guest OS. The issue is that i am not able to access ...
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What is the difference between Virtualbox .SAV and .VDI files?

I thought that VDI is virtual disk image, and then I learned that it is also used for snapshots. So I opened the snapshots folder and found a bunch of VDIs. So far so good. Then I read somewhere that ...
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27 views

SSH to a local VirtualBox with Ubuntu

I installed an Ubuntu server image on VirtualBox. Next I configured port forwarding 2222=>22. When I use the following command things work ok : ssh -p 2222 java@127.0.0.1 Password is prompted and ...
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Inserting Oracle Solaris 11.2 Repository on VirtualBox Oracle Solaris 11 (64 bit)

I downloaded Oracle Solaris 11.2 Repository from Oracle.com and i can't figure out how to uncompress it and insert it on VirtualBox.. Please let me know what steps to take.. Thank you.. My e mail is ...
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25 views

How to tell virtualbox how to boot from cloned direct access partition

I've managed to paint myself into a corner. I have a ubuntu machine with a virtualbox windows VM on that I spend about 4hours working in each day. I read up online that having direct disk access for ...
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17 views

Some audio devices (PCM_in) could not be opened

Some audio devices (PCM_in) could not be opened. Guest applications generating audio output or depending on audio input may hang. Make sure your host audio device is working properly. Check the ...
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47 views

VirtualBox errors out saying it needs more free disk space when space is clearly available

At my work environment we use VirtualBox for testing. It is set up as Windows host and RHEL 6 as client. Now during testing sometimes the error message popping up which says: You need to free ...
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28 views

Cannot reliably automate xrandr settings in Debian 7 on VirtualBox

Although there are several existing questions on the matter (from which the most helpful answer is this) and various threads on other forums, I cannot reliably set my xrandr settings in Debian 7 on ...
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10 views

Unable to connect to internet from Centos VM

I am using VirtualBox 4.3, I have installed Centos 6.3. I have two adapters attached. 1) NAT 2) Host-Only I want to be able to setup a cluster of 3 machines which can talk to each other and also be ...
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23 views

How to run VMWare and VirtualBox on OSX with Bridged Networking

So here's the issue. I'm running OSX Mavericks as host OS. I've had VirtualBox for a while, and I typically use bridged networking for the VMs I run on Vbox. Had no problems there. I recently ...
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2answers
41 views

Cannot uninstall SQL Server 2008 from Windows Server 2012 r2

I have install SQL Server 2008(64-bit) express on the virtualbox in virtual machine, with guest os Windows Server 2012 R2(It is also domain controller). After the installation, I decide I would like ...
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25 views

Install Windows 8.1 on VirtualBox

I mounted a Windows 8.1 .iso and booted from it. The image below is my issue. I have no idea how to continue. I am trying to install from Ubuntu 14.10.
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1answer
20 views

Connecting to host OS database from guest OS VirtualBox virtual machine

I’m using Pentaho BI server in a CentOS VirtualBox machine, and now I want to connect it to an SQL Server database that I am running in my Windows host OS (localhost). Is there a simple way to do ...
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6 views

Error when running boot2docker from inside Virtual Box

I get Non existent networking host interface name: VirtualBox Host-Only Ethernet Adapter #2 (VERR_INTERNAL_ERROR) error when I try to run boot2docker from virtual box. Error Details: Result Code: ...
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11 views

VMWare Guest Accessing Host Statistics

I have tried researching this but unfortunately couldn't come across an answer. Is it possible for a vmware esx virtual machine to access statistics about its host machine such as CPU and memory ...
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How to enable file change notification for network drives?

When you run any program handling local drive, when you externally change file the program usually detects such change and offers to reload it. When the file is located on network no such thing ...
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VirtualBox Ubuntu Guest OS Doesn't Capture Keyboard

I have Ubuntu 14.04LTS 32-bit running as a VirtualBox guest OS on a Windows 7 64-bit OS. The auto capture keyboard feature is enabled in VirtualBox's preferences so that Alt-Tab keystroke combination ...
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How to connect two pc via LAN or WLAN or anything

For Example lets say I have a machine in Australia and another Machine in India. How can I connect to Australian machine via Remote Desktop just by entering the IP address of it(VDI concept I guess). ...