VirtualBox is Oracle's virtualization software. It allows running of Linux and Windows on a Mac under OS X.

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OpenGL 2.0 on Windows 10 on VirtualBox on El Capitan

Some software running on Windows 10 requires me to have OpenGL 2.0. I'm running Windows 10 in VirtualBox, which is on El Capitan. How do I install OpenGL 2.0? Please explain as if speaking to a ...
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VirtualBox on iMac with Windows 8.1 - function keys without FN key

I have installed on my iMac (OX X El Capitan 10.11.5) VirtualBox with Windows 8.1. I can use all function keys inside Windows, however only with FN key pressed - is there a way to use the function ...
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3answers
41 views

Applications folder not owned by root, cannot change it

After a recent run of Migration Assistant from an old MacBook to a new one, my Applications folder is owned by my normal user account rather than by root. This prevents VirtualBox from functioning (...
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1answer
20 views

How to access virtual machine website in iMac?

I have installed Windows Server 2012 in VirtualBox inside iMac. Now I need to access the website created in VirtualBox in iMac. can any one guide me please?
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10 views

How can I rescale cpu frequency in El Capitan on Macbook Pro

I am running Ubuntu in Virtualbox on a Macbook Pro laptop, which has some overheating problem. How can I rescale the cpu frequency in El Capitan on Macbook Pro to a lower level, so as to reduce the ...
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1answer
26 views

Shared directory with Guest Ubuntu has become empty: a problem of virtualbox guest addition?

I installed Ubuntu under Virtualbox in MacBook Pro with OS X El Capitan. To share my OS X home directory /Users/tli folder with the guest Ubuntu, I downloaded the Virtualbox Guest Addition iso file ...
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2answers
31 views

Does a guest OS under Virtualbox need to install drivers for peripheral devices?

I run a guest Ubuntu under Virtualbox in Mac OS X. The host Mac OS X has been configured to print on a network printer by someone else. Now I try to configure the guest Ubuntu to print on the same ...
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55 views

VirtualBox Full Screen Stops Working

I have an interesting problem with regards to VirtualBox and displaying a VM in Full Screen mode. First it works, then upon reboot of my Mac it stops working. If I reinstall Virtual Box it starts ...
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What are current cross-platform disk encryption options?

I just got a new 1TB USB SSD, to use as a backup drive. I need cross-platform compatibility and durability. I've used LUKS+ext4, and it seems both reliable and well-established (i.e. long-term support ...
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1answer
36 views

Why does pressing the left command key sometimes trigger a window from Virtualbox

I installed Ubuntu under virtualbox under OS X IN MacBook Pro. A while ago, I asked a question about how to switch between windows in the guest Ubuntu by keystrokes, and the reply at http://apple....
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55 views

How do I expand the hard drive partition of an OSX guest OS in VirtualBox when the disk has been enlarged?

My host system is running OSX El Capitan 10.11.5 and VirtualBox 5.0.22 r108108 Using the information found in another answer, I was successfully able to extract an ISO of my host operating system and ...
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35 views

Install Windows 7 using VirtualBox error

I am using this tutorial to install Windows 7 on my Mac No bootable device USB 2.0 MacBook Pro mid 2014 but at step 6 I am getting this error: Failed to open the disk image file /Users/...
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1answer
27 views

Are the keystrokes under guest Ubuntu via Virtualbox supposed to be the same in a Ubuntu?

I installed Ubuntu via virtualbox under Mac OS. My keyboard-shortcut experiences with guest Ubuntu until recently were the same as mine with Ubuntu installed directly on a computer. For example, text ...
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1answer
58 views

How much RAM is recommended to be assigned to a virtual machine in VirtualBox?

I have installed Ubuntu in VirtualBox under OS X on a MacBook Pro. The laptop has 16 GB RAM, and I assigned about 11 GB to Ubuntu, because I thought that most work would be done in Ubuntu anyway. ...
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1answer
84 views

Right click in Ubuntu Virtual Box guest VM is not working

I am running Ubuntu in Virtualbox in Mac OS. I found that rightclick in the guest Ubuntu, by tapping the trackpad while pressing ctrl key, doesn't work. E.G. it doesn't show the menu for file ...
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36 views

Virtualbox passthrough USB token From Commandline

I need to change ownership of a USB token from the host to the Guest Virtual machine in VirtualBox - without removing the token from the Mac. I have it working that you can start up the VM and then ...
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13 views

How to “right click” a selected text region in firefox in guest Ubuntu in Virtualbox [duplicate]

I installed Ubuntu as guest os to Mac via Virtualbox. Under the guest Ubuntu, I open a webpage in Firefox. I want to select a word and right click it to search it by Google. But right clicking doesn'...
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1answer
59 views

What is the keystroke to switch between windows in a guest os (Ubuntu) in VirtualBox?

Using Ubuntu installed as normal operating system, I can switch between windows by using alttab. I installed Ubuntu in a VirtualBox VM with a MacBook Pro/OS X as host. In the Ubuntu guest, alttab ...
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1answer
30 views

keys for commands for using Ubuntu in Virtualbox in Mac

I have installed Ubuntu in virtualbox in Mac. i open firefox in ubuntu, and want to find some word in a webpage by ctrl-f which I normally do without mac and virtualbox, but it invokes something else ...
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51 views

installing Snow Leopard in VirtualBox, but it won't complete the installation

I'm getting ready to upgrade my MacBook Pro from Snow Leopard to El Capitan, but I want to be able to keep running MT-Newswatcher, so I want to run SL in VirtualBox. I followed the directions at this ...
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1answer
30 views

Maximising VirtualBox guest machine window size

I am running Ubuntu 16.04 LTS inside VirtualBox on a MacBook Air 7,2, but the guest screen window size is less than the host display size. I have seen a suggestion that this is possible by installing ...
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0answers
8 views

Windows 10 on mac from external hard drive [duplicate]

Is it possible to run windows 10 on virtual box on a i5, 4gb ram macbook air but from an external hard drive? I mean installing the portable version of Virtual box and the virtual machine operative ...
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20 views

Can “Move to iOS” work on an Android VirtualBox virtual machine?

Is there a way to get "Move to iOS" running on a virtual machine? I tried it but it is always crashing. I want to use it to import SMS to iPhone… My intent was to get some of my old SMS from my ...
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1answer
45 views

Bootcamp partiton in VirtualBox returns errors VERR_ACCESS_DENIED and VBOX_E_FILE_ERROR

I have been using this guide: http://danielphil.github.io/windows/virtualbox/osx/2015/08/25/virtualbox-boot-camp.html But when I try and mount the .vmdk I get this error: Permission problem ...
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1answer
125 views

Error when connecting USB Drive to VirtualBox virtual machine

How can I use external hard drive via USB connection on a virtual machine using VirtualBox? I ejected the hard disk from OS X host, then the disk becomes available in OS X virtual machine. Clicking ...
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1answer
155 views

enabling virtual machine Guest Additions on a Mac host and Mac guest

I want to enable Shared folders on VirtualBox. I went to Devices tab and clicked -> Insert guest additions CD image. Nothing happened. This is an image of my Storage tab in Settings of Virtual box: ...
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3answers
156 views

Set the result of command to variable in Terminal post execution

How can you set the output of a command run in terminal to a variable after it has run? Background (You can skip of you don't need the background) I run VirtualBox VM and do a lot from the command ...
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26 views

Bootcamp [in another partition] running as Virtual Machine on Mac

I have OS X in partition disk1s2 and Windows/Bootcamp in disk1s3. Is there a way of running this Windows (disk1s3) as virtual machine while I am on OS X? I read something like that for Linux + ...
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1answer
12 views

what is the name and password for transfer server?

I want to transfer files between my Windows 7 unlimited computer and my Mac VirtualBox machine. I followed this tutorial. I did not set a password for my Windows computer While connecting, it asks ...
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2answers
283 views

Running Ubuntu on MacBook Pro 2015 — run natively (dual boot) or run in virtual machine for longer battery life?

I currently use Ubuntu in a virtual machine, using VirtualBox software on my host operating system, OS X, on my MacBook Pro 2015. However, the battery life drains quickly when Ubuntu is used ...
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73 views

Windows 7 on Virtual Box 5 not recognising USB 3

I have Virtual Box 5.0.2 on my Mac (El Capitan) running Windows 7. I also have the Virtual Box extension pack 5.0.2, which supposedly enables USB 2.0/3.0 ports, but I can't see my USB stick in Windows ...
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53 views

OSX 10.11 are not booting after update to 10.11.4 in virtualBox

I am a newbie in Mac OS X. I downloaded and installed it fine with boot loader. The issue started when I updated the system to 10.11.4. Every time I start the system, the he loads the update and ...
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1answer
172 views

SSH to VirtualBox Mac Host Linux Guest using NAT

How to configure ssh OS X host with Linux guest, so I can access my guest OS through SSH. I've tried: But when I tried to ssh from host, it failed: > ssh localhost ssh: connect to host ...
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2answers
700 views

Not enough free space on OS X Base System while installing El Capitan with VirtualBox

I am getting an error while installing OS on Virtual Box machine, that there is not enough free space as shown in the image. I allocated 20GB while setting up virtual machine, and 8.8GB is what apple ...
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1answer
457 views

Install El Capitan with VirtualBox on OS X

I am creating an El Capitan Virtual Box on my Mac. This is the process I take. I pressed some keys (it says any) as shown in second image, but I get nowhere. What should I do to move from here? I ...
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3answers
146 views

How do you create an OS X ISO if you already have access to an iMac?

I am using Ubuntu 14.04, and I want to create a virtual machine running OS X. I have a friend who owns an iMac with OS X Yosemite. Is there any way to create an ISO without downloading an installer? ...
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3answers
340 views

How can I backup a VirtualBox VM with TimeMachine

I've read lots of different things about using TimeMachine with VirtualBox, but I haven't been able to find a very clear answer about what an acceptable configuration is. Some folks say "include up ...
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26 views

Running OS X El Capitan in a VirtualBox VM, inside an iMac running OS X El Capitan [duplicate]

I have a new iMac running OS X El Capitan. I would like to run a VirtualBox VM running OS X El Capitan. I have downloaded and installed VirtualBox. Before I am able to create a new VM, I am asked to ...
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39 views

How to Speed Up Guest OS in Macbook Air 2013-Mid?

I followed the post here about Solution for Slow Ubuntu in VirtualBox. It is not targeted for OS X. I am feeling rather slow video play (not native) in the system Macbook Air 2013-Mid. I feel that ...
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2answers
422 views

How to Enlarge Disk Image in VirtualBox?

I have VirtualBox 5 in OS X El Capitan 10.11.3. There is an option in Windows's VirtualBox to enlarge the image here described. However, I cannot find a similar way for OS X. My storage looks like ...
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Are there tweaks in Time Machine or VirtualBox by Oracle to make Time Machine better handle small files within a .vdi?

Within a very important VirtualBox, which was at the time approximately 400 Gigabytes, Time Machine is not backing many files inside this machine, for even several months, despite them being changed ...
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205 views

How to disable web sharing in Server 5 and forward ports 80 and 443 to a virtual machine?

I use the latest Server (5.0.15) to self-host websites on a Mac Mini running El Capitan (10.11.3). I'm not satisfied with the web services (mainly because of this) and I'd like to setup a Linux (LAMP) ...
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101 views

Copy OS X 10.4.11 Mac to Guest in VirtualBox on OS X 10.7.5 Host to Run PPC Applications?

A user (who may or may not be my mother) has an old MacBook Pro running OS X 10.4.11 that is falling apart. It overheats. The cells in battery expanded beyond the confines the battery casing. She ...
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217 views

OS X restart with a Panic Report

I have worked in an environment inside VirtualBox on latest El Capitan OS X on MacBook Pro (Early 2015 13" 16GB RAM). Working with latest Vagrant (v1.8.1) and latest VirtualBox (v5.0.16) installed on ...
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How to install OS X on KVM?

I need to run an OS X to run Xcode to submit my project written in Cordova. I am using an Linux laptop and I think the best choice is to use KVM to run a virtual machine of OS X, since KVM has the ...
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1answer
1k views

VirtualBox VERR_NOT_SUPPORTED opening Windows 10 partition/vmdk

I'm trying to virtualize my physical Boot Camp partition, so I can do small Windows tasks from Mac without restarting. I followed mostly this tutorial but also read others. But now when I try to ...
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1answer
51 views

How to disable Virtualbox auto-close

When my computer reaches 4% battery, Virtualbox shuts off. How can I disable this or change when it happens?
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1answer
2k views

Problems with video resolution using VirtualBox on Mac OS X El Capitan

I've installed VirtualBox 5.0.10 on my Mac and now I'm trying to run Bio-Linux (Ubuntu 14.04) in a VM. The resolution of the Linux desktop when I go to settings > monitor is set to 640 x 480 with no ...
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1answer
250 views

Install older version of VirtualBox (4.3.6-91406) on OS X El Capitan

I am trying to install VirtualBox 4.3.6-91406 on OS X El Capitan because I want to run an old version of Minix. It is advised to run my version of Minix on VirtualBox 4.3.6 as it may not be ...
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How to set left command to Guest VM and right command to Host OS?

I just set up an Arch Linux virtual machine on my Macbook Pro (El Capitan). My goal is, when inside the Arch VM, to use the left command key for anything VM related and the right command key for OSX ...