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

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2
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1answer
3k views

How can I troubleshoot VirtualBox port forwarding from Windows guest to Mac OS X host not working?

There is a plethora of questions about VirtualBox port forwarding problems but none with my specific details. Details of setup: I have a Windows 7 Professional 64bit install living in VirtualBox ...
0
votes
2answers
179 views

Sharing Windows clipboard with i3 in Virtualbox VM

I'm running a Sabayon Linux VM inside of Virtualbox 4.3. I have the guest additions installed, and when I run a desktop environment such as XFCE, I have bidirectional clipboard support (via ...
-1
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0answers
21 views

Is a 32 Bits Windows 8.1 Virtualization without VT-X possible? [duplicate]

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 ...
5
votes
2answers
9k views

x64 Hardware Virtualisation support not detected on Windows 8.1

I get the following error (and yes I know this has been reported many times, but please read further): VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit guest will fail to ...
0
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0answers
20 views

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 ...
1
vote
1answer
515 views

Errors when compacting VirtualBox VHD Image

My host OS is OS X Lion running a Windows XP client with VirtualBox 4.2.0. I'm wanting to make a copy of the image and compact it to share with a colleague. First, I used the VirtualBox command line ...
1
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0answers
12 views

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 ...
0
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0answers
4 views

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 ...
0
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1answer
15 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 ...
0
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1answer
16 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). ...
0
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0answers
16 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 ...
0
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3answers
2k views

Mount failed (unknown file system) in virtualbox in ubuntu 14.04 and Windows 7 as host after installing GuestAdditions

I am using virtual box 4.3.6 in Windows 7 PC. I am trying to run Ubuntu 14.04 . After installing ubuntu since the display was low resolution i tried to install VirtualboxGuestAdditions I downloaded ...
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0answers
10 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 ...
0
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2answers
2k views

Linux 64bit on Virtual Box with window 7 profession 64 bit

I have HP ProBook 450 G1 Laptop with Window 7 Professional. It is Intel Core i7 and it claim it has Virtualization Technology. But I can't find it in Bios to enable it. Now I installed Oracle Virtual ...
0
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0answers
10 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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0answers
13 views

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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0answers
93 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 ...
0
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1answer
65 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 ...
0
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2answers
2k views

Running ubuntu in virtualbox, low screen resolution/dimensions

I am running windows 7 natively, i7 64 bit chipset. ATI radeon hd 4800 series video card. I have virtual box. For some reason, when running ubuntu in virtualbox, the screen rez is like 600x480 ...
1
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1answer
23 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 ...
0
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0answers
20 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 ...
2
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2answers
4k views

Kali Linux VM: Permission denied to run shell script, as root

I've just installed Kali Linux (Debian) in a VirtualBox VM. I want to install the VBOX Additions that will allow me to configure things like screen resolution (hopefully). My problem is running the ...
2
votes
1answer
2k views

Cannot install virtualbox-ose-guest-dkms on Ubuntu 10.04

I'm using Ubuntu 10.04 and kernel: 2.6.38-11-generic-pae. While using VirtualBox, i got this error: Kernel driver not installed (rc=-1908) Please install the virtualbox-ose-dkms package and ...
7
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2answers
12k views

Using Samba to share a folder from a Linux guest with a Windows host in VirtualBox

I would like to share a folder from a Linux Guest with a Windows host (with read and write access if possible) in VirtualBox. I read in these two links: here and here that it's possible to do this ...
0
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0answers
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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0answers
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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0answers
15 views

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 ...
4
votes
6answers
6k views

VirtualBox bidirectional clipboard sharing stops working after some time

Clipboard sharing starts working fine, but it stops working after some time (until I reboot the machine). From what I understand sometimes the guest additions stop working. I read that I should see ...
0
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0answers
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 ...
2
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4answers
5k views

Mouse disappear in VirtualBox

I am using latest version of VirtualBox (VirtualBox 4.3.6 for Windows hosts) and after installing any OS and clicking inside of it mouse disappear. It is not visible until I press right CRTL. Anyone ...
2
votes
2answers
6k views

Virtualbox shared folders - mounting failed

I've installed Ubuntu 10.04 as a Virtualbox VM. I'd like to make my entire C drive an always-enabled shared folder under ~ (/home/). I've seen this tutorial but I'm unsure of the differences between ...
0
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1answer
2k views

ubuntu server in a vm, can't connect to internet

I'm attemtping to host my own development web server in a virtual box guest, Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but outside the LAN as ...
2
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5answers
2k views

VirtualBox/Ubuntu mouse disappears

I just created an Ubuntu 14.04 VM in VirtualBox (the host is Windows 7) and have noticed a strange "bug" occurring with the mouse. And yes I installed guest additions. About 50% of the time, when I ...
0
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0answers
39 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 ...
4
votes
2answers
206 views

Access a printer through a virtualized XP instance running in Ubuntu

I have a printer which is incompatible with Ubuntu but works fine with XP. If i have XP running inside ubuntu with VirtualBox or some virtualisation solution will i be able to use my printer through ...
0
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1answer
23 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 ...
0
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0answers
24 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, ...
0
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2answers
1k 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 ...
2
votes
3answers
2k views

Virtualbox can NOT mount an USB drive

I have on my laptop a windows system (windows 8), in which I have a Virtualbox installation(4.2.12, most recent). I have a virtual machine setup with the Virtualbox, and the OS is Ubuntu (12.0 LTS). I ...
0
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0answers
57 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 ...
2
votes
1answer
4k views

Cannot set 16:9 resolution on ubuntu 12.04 run in VirtualBox

I recently installed virtualbox. I tried to run ubuntu 10.04 and it worked fine in fullhd resolution. Then I installed Ubuntu 12.04 and now when I to setup up any fullhd resolution UI becomes very ...
0
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1answer
24 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?
0
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0answers
14 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 ...
3
votes
2answers
3k views

Virtualbox: NAT networking suddenly stopped working for all Windows guests, Linux guests still OK

My host is an out-of-the-box Ubuntu 12.10 simply connected to Wifi. I installed VirtualBox, and then a few Linux and Windows 7 Pro guests on it, all with default VirtualBox options (NAT). I reboot ...
1
vote
1answer
25 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 ...
0
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0answers
13 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 ...
0
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0answers
56 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. ...
0
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0answers
25 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 ...
0
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0answers
18 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 ...
2
votes
2answers
44 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 ...