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

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Virtual Machine add increased disk space as new partition ubuntu

I work inside a VM which runs ubuntu. As I was running out of space, I asked my System Admin to increase the space of the VM which he did and asked me to add the increased space as a new partition. ...
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65 views

Multiple monitor support in Ubuntu Virtualbox guest

I would like to use multiple monitors in i3. I'm using a Virtualbox guest OS, Ubuntu 14.04. I've installed version 5.0.14 Guest Additions for Linux. I've enabled 2 monitors from the vm settings. How ...
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12 views

Virtual Machine Preserve Environment in Moving

Suppose I have a virtual machine on a system. The memory layout of that machine will depend on its usage and how it was started up. Now, if I were to save the state of the machine, and then copy it ...
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33 views

Lubuntu fails to install in VirtualBox

I am using the latest VirtualBox version (5.0.14) in my Windows 10 machine. I am trying to install Lubuntu 15.10 64-bit in VirtualBox. "Try Lubuntu without installing" feature works fine. However, ...
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1answer
68 views

Is virtualbox a virus? [duplicate]

I know a lot of people have asked this before, but I just wanted to clarify, because when I was in my virtual desktop, and I went on a site and my antivirus on my host machine went off saying that ...
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48 views

Vagrant: cannot access machine after host is suspended and resumes

I use Vagrant for staging development environments. The host machine runs Ubuntu 15.10. Occasionally the host is suspended / goes to sleep. After resume, though, the VM becomes inaccessible. I ...
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106 views

Slow Linux Desktop performance in a Virtualbox guest installation

I have a CentOS guest running on VirtualBox with GNOME 3, which is using Windows 7 as a host. This guest is configured to use all 4 of my CPUs, 2GB of RAM (which is plenty), and 128MB of VRAM. The ...
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46 views

VirtualBox USB Wifi Disconnecting

What I'm trying to do: I am attempting to run a continuous ping as a proof of concept for a larger project Overview of how I'm trying to do it: I have a machine running in VirtualBox. To this ...
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1answer
48 views

Kali in VB shows USB network adapter, but does not add it to NICS

so i have Kali in Virtualbox 5.0 And it detects my TP-LINK TL-WN722N as a USB device in lsusb. I have networkmanager set to "true" But my Kali does NOT detect it as a wireless device, which i need ...
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19 views

How to get (and connect to) IP address of virtualbox A from virtualbox B?

I have two virtualboxes A and B. Both are reachable from host at 192.168.99.101 and 92.168.99.102. Also from each of them I can reach host machine at 10.0.2.2. How I can get IP of virtualbox A that I ...
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1answer
53 views

Virtual Box configured with 8 cpus but nproc in vm shows 1

I created and configured VM with 8 cpus, (at server with 48 cpus). Here vboxmanage showvminfo output: Memory size: 40960MB Page Fusion: off VRAM size: 8MB CPU exec cap: ...
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1answer
74 views

How do I turn off Taskbar Tooltips in a VirtualBox environment?

I am hosting Oracle VirtualBox 4.322 on Windows Server 2012. One of my virtual instances uses Windows Server 2008. I can't turn off the Taskbar Tooltips on the taskbar, so when I move my mouse ...
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56 views

VT-x not working anymore in VirtualBox

I have just found out that VT-x is not working anymore on my Windows 10 host in VirtualBox 5.0.14. Trying to boot one of my x64 guests now causes a "VT-x is disabled in the BIOS for both all CPU ...
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1answer
36 views

Set up two Kali Linux OSs in VirtualBox and ping between them

I have VirtualBox installed in Windows 8. In VirtualBox I have two Kali Linux 2.0 OSs. Both have access to the internet, but I can't seem to ping them. My home computer uses cell phone tethering for ...
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10 views

Using extended multiple monitors in Kubuntu 14.10 Plasma 4

I use VirtualBox 4.3.12 r93733: Guest OS: Kubuntu 14.10 Plasma 4 x64 Host OS: Windows 7 SP1 x64 Ultimate I configured the virtual machine to have 2 monitors: When I launch Kubuntu 14.10 Plasma ...
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2answers
70 views

how to make 2 virtualbox vms able to see each other via internal network but also be able to access the internet

I have 2 VMs (A and B) running locally (on host H) with VirtualBox and I would like to be able to: ping A from B via an internal IP ping B from A via an internal IP ping 8.8.8.8 from A ping 8.8.8.8 ...
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52 views

Install Linux VM on Microsoft Hyper-V VM

I have a VPS with Windows Server 2012 and it's one of the multiple Micrsoft Hyper-V virtual machines that exists on the server. What I want to achieve: Install a virtual machine with Linux. I am ...
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16 views

Set resolution in vbox live iso guest

If I run live linux from iso as guest in virtualbox how can i set custom resolution since installing vbox guest additions makes no sense because it requires reboot to take effect which is not an ...
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23 views

Lockdown IP Address in Windows XP in VirtualBox

Here's my setup: Windows 7 Machine with 4 Windows XP VMs. Each VM is for running a different program that accesses a proprietary network. Each are bridged to the same physical network adapter. These ...
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31 views

How to Bridge an XBox Through a VM?

I am trying to bridge my XBox One through a virtual machine running WANem / Knoppix, for the purpose of network testing an indie game. My operating system is Windows 8, and my setup is currently as ...
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81 views

VirtualBox Guest Additions broke my VM

Guest Additions stopped working for me after a VM restart. I saw this post and figured it would solve my problem. But the instructions there, here, and here all do not work for me. I've mounted ...
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1answer
27 views

Can I make a virtual PC part of a domain?

I am using Oracle Virtual Box and have made a server (fardomain.local) this server has active directory on it and completely set up. I then made a normal machine in Oracle Virtual Box. What I was ...
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47 views

Can't start Ubuntu VM's on VirtualBox 5.0.14

I've been trying to spin up Ubuntu and Xubuntu (14.04.3) VM's on VirtualBox installed on my Windows 7 laptop. For reference, I tried running an older Ubuntu VM (with Spark installed, that worked ...
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1answer
28 views

Multiple Virtual Machines Network

I am using Virtualbox and I want to connect 3 virtual machines to act like theyre in one network (internet connection is not required). I don't know how to do it and I couldn't understand this source ...
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1answer
36 views

Can I prevent Windows 10 from grabbing Win+L in VirtualBox?

My VirtualBox client system (specifically, its window manager, i3) has Win+L as a common shortcut, but I can't use it because Windows grabs it and interprets it, instalocking the system. However, at ...
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20 views

Bitnami edx cypress ubuntu server ip address is not browsing in local host browser

I have install vmware workstation 10 and open virtual machine bitnami_edx_cypress -4r02-ubuntu-14.02. In ubuntu typed ifconfig, nothing is come then I changed network adaption as NAT then typed ...
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29 views

Clonezilla to restore a VM from clonezilla image

So I have a laptop with 3 windows partitions that I saved to a clonezilla image. I took the clonezilla image (80GB) and copied it to a USB stick (128GB). I created a 150GB fixed size drive for a ...
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24 views

Strategy for transporting VM between home and office

I would like to keep a VM work environment that I carry back and forth between home and office. Right now I have the VM on an external SSD. I can think of three approaches: Work off the SSD and open ...
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42 views

Running a VPN from within a Virtualbox VM, encrypted/secure?

I am running an openVPN client from within a VirtualBox linux guest (Win 7 host) to connect to a PIA VPN server. The VM is in the default NAT server configuration. The host is NOT connected to a VPN ...
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1answer
46 views

Using IPv6 link-local addresses to ping between VMs in internal VirtualBox network

I'd like to test this network configuration in fully virtualized enviroment, while I don't have access to physical lab. I am using 2 VM Guest machines (Guest OS is Archlinux), each configured with ...
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16 views

Existing vagrant vm(s) cannot be recgonized on fresh Windows

I just switched from Win8.1 to Win10 (installed on separate ssd). I installed VirtualBox and imported existing vm machines. I installed Vagrant. Existing installation of Vagrant is on another hard ...
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2answers
53 views

VirtualBox virtual machine is suddenly not accessible

I am using Ubuntu on VirtualBox and Windows host machine. Suddenly I am getting flow error. Any idea to fix this issue? I do not want to install Ubuntu again as will loose lot of data.
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20 views

Virtualbox - create a raw vmdk disk by UUID, not \\.\PhysicalDriveX

What I would like to achieve is to create a vmdk disk from physical drive which continue to work if the disk order is changed (e.g. disk is connected to another SATA port). Probably, the correct ...
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1answer
51 views

Android-x86 on Oracle VirtualBox - error

I'm trying to install android-x86-5.1-rc1.iso (from http://www.android-x86.org/) in the virtualbox v5.0.14 and this is what I get. The screen freezes there and nothing else happens. Does anybody ...
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138 views

Just Installed Virtualbox on Windows 10 host, Cannot Load Ubuntu

Just installed 4.3.12, build 9926. For reasons I won't go into right now (extensive), the newest builds of VBox crash immediately in Windows 10 Home Edition. Build 4.3.12 will actually start Vbox ...
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110 views

VirtualBox Win7 Windows Update unusably slow

Problem: 190 Important windows updates take ~10hours to install, then fail, then take ~10 hours to roll back. Tried 3x. Now I'm doing 10 updates at a time, about 2.5hours each set. Environment: Win7 ...
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90 views

Networking not working due to MAC address in VirtualBox Ubuntu guest?

I have an Ubuntu VirtualBox VM guest under a Windows 10 host. At home I can connect to my wireless network and see the internet if I use bridged adapter, but not NAT. With NAT Ubuntu says I'm ...
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1answer
56 views

Can I use graphic drivers inside my VirtualBox?

I’m currently using CAD programs like Inventor, or AutoCAD and it doesnt certify my generic VirtualBox graphic card. Can I install normal drivers for it in my VirtualBox so my Windows can benefit from ...
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192 views

What is the performance difference of a Virtual Machine vs the Physical host?

Where I work we are running relatively powerful PCs using the Debian Linux Distribution. However for certain programs which we need to install it would be better to have CentOS and these would be our ...
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1answer
57 views

Does VPN on a virtual machine make the host connection VPN as well?

I am using VPN on a virtual machine to my organization's network. And I was just wondering whether this will make the host connection also under VPN. My organization's network may be monitored for ...
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1answer
147 views

USB drive enabled but not showing in Windows 10 File Explorer

I'm running VirtualBox 5.0.12 on a Mac, and I have a USB drive that is connected to my Mac. The VirtualBox says it is using the USB device, but the device is not showing up in File Explorer. The ...
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1answer
72 views

Hide toolbar in VirtualBox 5 fullscreen

I'm running VirtualBox 5.0 on Windows 7 in fullscreen mode. There is a toolbar sitting at the bottom of the guest's screen that opens when I hit it with the mouse. Is there any way to completely hide ...
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2answers
219 views

unable to fix VirtualBox and / or reinstall it

I installed Virtual Box on Windows 7 ultimate x64 and then I upgraded my system to Windows 10. VirtualBox did work properly with both the versions of Windows and I was able to run everything ...
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30 views

Is it possible to get separate X11 screens in a multi-monitor VirtualBox Linux guest?

I have an application that is designed to use two separate X11 screens (:0.0 and :0.1) which I would like to run with a Redhat VirtualBox guest. I have set up the guest additions and vboxvideo in ...
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62 views

What “.sys” SCSI driver VirtualBox uses ? (Error “Stop 0x0000007B”)

I'm trying to make my Windows 7 boot-to-VHD's vhd to boot in VirtualBox. I've suceeded many times through enabling drivers on boot by modifying the registry inside this folder: ...
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1answer
102 views

Moving partitions with YaST Expert Partitioner: “already created on disk and cannot be moved”

I am currently trying to use the YaST partitioner tool (on openSUSE 13.2 under VirtualBox) to move the Linux swap partition on a VirtualBox virtual disk image. Upon trying to move any given partition ...
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36 views

VirtualBox http connection error

I am trying to connect to VirtualBox remotely using the following code, String url = "http://192.168.0.101:18083"; String user = "..."; String passwd = "..."; VirtualBoxManager mgr = ...
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28 views

I'm unable to access any .vdi files over the network

I have two Arch workstations. I want to be able to run VirtualBox on Machine A, and access the .vdi files stored on a storage drive on Machine B. I'm sure I'm not connecting the two machines ...
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1answer
30 views

Multiple IP Settings to Emulate Multiple Devices

Here is the Setup An Ethernet IPv4/UDP network based control system, with 20 different devices attached. A test facility for testing 2 of these devices. Simulator Software to simulate any of the ...
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2answers
234 views

Reducing Windows 10 x64 memory footprint – can I tune the system's automatic memory compression?

Having recently migrated to Windows 10 from a Windows 7 and Linux (Ubuntu/Kali/Redhat) along with extensive usage of virtual OS's Finding it difficult to reduce memory footprint of windows 10 OS on a ...