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

learn more… | top users | synonyms (3)

1
vote
0answers
43 views

Mounting Shared folders inside Docker machine on Windows

I have installed latest Docker Toolbox 1.11.2 on Windows 10. When I run $ docker-machine create -d virtualbox default - virtualbox creates image, everything is fine. Shared folders are configured by ...
1
vote
0answers
13 views

Linux virtual machines cannot connect to each other via virtualbox network

I have created two linux virtual machines in virtualbox, one for server and one for client. But these two cannot connect to each other via virtualbox network. The pings are not reachable after giving ...
1
vote
0answers
12 views

ap-linux in a vm, does this make sense?

AudioPhile Linux, a distro tailor made to play audio has interested me. However I don't consider it desktop-grade and I don't have a spare machine to use it with. Does it make sense to run audio-...
1
vote
0answers
102 views

Grub does not pick up new kernels (was: How to update Fedora's kernel)

In a seemingly endless quest to get Vagrant working I am trying to update Fedora. Vagrant needs VirtualBox, VirtualBox needs kernel sources, and kernel sources are only available for the latest kernel ...
1
vote
0answers
86 views

Virtualbox 5.0.20 - Linux Guest E_FAIL exception

I just upgraded my Virtualbox from 4x to 5.0.20 r106931 and my Linux guests won't start up in normal mode on Windows 7 64-bit host. It crashes with the following exception - Failed to open a session ...
1
vote
0answers
18 views

Multi-machine Vagrantfiles do not properly resolve collisions

When creating two VM's with Vagrant v.1.8.1, the second VM also want to use port 2222 (even though there was a collision resolved to port 2200): Here's my Vagrantfile: Vagrant.configure("2") do |...
1
vote
0answers
29 views

Can't resize VirtualBox drive. Debian

I had Debian Virtual Machine with 8 Gb vdi disk. Later i need have been some extra space. I resize vdi disk with VBoxManage modifyhd Debian.vdi --resize 20Gb Next, i download GParted ISO and create ...
1
vote
0answers
25 views

SSH into a VirtualBox VM that was configured via command line

I am trying to set up a cluster of VMs on my Ubuntu laptop so that I can test some distributed code. My goal is to execute a shell script that will spin up the configuration and another script to tear ...
1
vote
0answers
63 views

Virtual box bridge networking stop working

I'm using VirtualBox running at Win XP and guest Linux OS Fedora 16 with bridged networking (eth4). It's was working without problem for ages regardless static or dynamic addresses via DHCP (manually ...
1
vote
0answers
53 views

How do I copy and paste text from Mac Host to Ubuntu Guest in VirtualBox?

I cannot copy and paste text from my Mac (host) to my Ubuntu Server (guest) in Virtualbox. Solutions I tried: Enable Bidirectional in Advanced Settings for "Shared Clipboard" and "Drag'n'Drop". ...
1
vote
0answers
51 views

VirtualBox natnetwork start failed

I use VirtualBox 5.0.16_Ubuntu, Ubuntu 16.04. When I added a new NAT network and try to start natnetwork service, I got some error: ~$ VBoxManage natnetwork add --netname openstack --network "192.168....
1
vote
0answers
19 views

How can I recover my Mac when I leave the focus within a VM?

I have had this happen a few times. I am using a Windows VM on my Mac, I am working within my Windows Vm (via VirtualBox, fullscreen), leave it for a few hours, come back, and then my Mac is ...
1
vote
0answers
84 views

Kali Linux login screen stuck in Virtual Machine

I have installed 32 bit Kali linux on a virtual machine and I keep getting stuck on the login screen, it asks for my login information. I type "root, enter, then the password I set during the ...
1
vote
0answers
25 views

connect two consecutive proxy servers

According to this question: How to use two consecutive proxies? I can configure a proxy server(A) to route the requests into a second proxy server(B) only if proxy server(A) lets me to do this. I ...
1
vote
0answers
21 views

VirtualBox - Can I use a non supported HW which is not supported by my host OS in my guest OS?

I am trying to use an external wireless antenna (Alfa Network AWUS036H) with a Linux VirtualBox virtual machine but it doesn't work. I can see the antenna by clicking on Devices > USB but when I try ...
1
vote
0answers
67 views

VirtualBox pci passthrough freezes host

I used the following command to add a PCI wi-fi card to a virtualbox guest OS: VBoxManage modifyvm "16.04" --pciattach 0d:00.0@01:05.0 Thw guest OS (Ubuntu 16.04) recognizes the card (I can see it ...
1
vote
0answers
54 views

IP Packets for one (VirtualBox/Vagrant Host-Only) guest IP are sent to Windows 10's default gateway instead of link local

I can't ping from my Windows 10 host (192.168.12.1) to one specific IP address (192.168.12.2) on a VirtualBox host-only network. The packet is sent to the default gateway (192.168.101.4) rather than ...
1
vote
0answers
25 views

Virtualization-enabled dual-boot linux with universal access to data folder/partition

My situation: I want to setup my work laptop as a Windows + Linux dual-booting system (probably Windows 7 and Ubuntu) with the possibility of running the Linux installation as a virtual machine from ...
1
vote
0answers
44 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, ...
1
vote
0answers
146 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 ...
1
vote
0answers
53 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 ...
1
vote
0answers
148 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 ...
1
vote
0answers
31 views

How come I cannot use a VMDK disk on with a Windows 7 guest on another machine

I am a bit baffled about what I just tried to do. I have a machine running Windows 8.1. I have VirtualBox installed. Let's call this MACHINE-A. On MACHINE-A I have a VirtualBox Guest that runs off ...
1
vote
0answers
170 views

Can't type capital letters in virtual machine over TeamViewer

I have a computer that I access remotely using TeamViewer. The remote computer is running Linux Mint 17.2, and my local computer is running Windows 10. On this remote computer, I have several VMs I ...
1
vote
0answers
31 views

Power Outage: Corrupted vmdk image - VERR_VD_VMDK_INVALID_HEADER

I read a similar thread on this site Can I fix corrupted vmdk image? VERR_VD_VMDK_INVALID_HEADER but I need more assistance on the steps to try and make this repair. I have the exact problem that ...
1
vote
0answers
87 views

Can't ping VirtualBox Windows 7 VM from separate OS X machine

I have a VirtualBox VM running Windows 7 on one Macbook, and have tried unsuccessfully to ping the VM's IP from another Macbook. Here is what I've tried so far: I have turned off the 2 Windows ...
1
vote
0answers
104 views

Slow vagrant box, how to improve this?

We've built a vagrant box for our development box and we are facing some latency issues. Issues: Assetic:watch is being slow Overall application access in (app_dev.php) is slow Using "find" command ...
1
vote
0answers
42 views

Changing the user group of a shared folder on Guest [VirtualBox]

I have the following folder on my CentOS guest OS, shared by my Mac host OS: [root@server-1 media]# ls -l /media/sf_Sites/ total 0 drwxrwx--- 1 root vboxsf 816 Jan 6 23:53 domain.com I want to run ...
1
vote
0answers
284 views

Installation of VirtualBox 5.0.x on 64-bit Windows 10 Build 10586: error code 2203

I had a hard time installing VirtualBox 5.0.x on my 64-bit Windows 10 Build Version 10586. I did read How to Install VirtualBox on Windows 10 host?, but it did not help. Actually I don't know how to ...
1
vote
0answers
15 views

VM inside host VM cannot see avx cpu flag

I have an Ubuntu 14.04 server installed on a VM inside VirtualBox. This VM acts as my host for other VMs. I ran a Linux based image using qemu inside this host VM. The host VM has cpu flag avx but the ...
1
vote
0answers
46 views

Can I successfully run a Kali Linux VM on one drive while my host OS is on another?

I've been attempting to set up a Kali Linux VM. I've continuously been running into a failure when attempting to install the system files inside VirtualBox and I'm curious as to whether or not it has ...
1
vote
0answers
96 views

Installing zerofree on Centos 7 bare

I am trying to reclaim free disk space from a VirtualBox VM with Centos 7 as the guest OS. All of the resources I found online recommend using zerofree to zero out the free disk space before ...
1
vote
0answers
21 views

Windows 7, moving software / Virtualbox

What started quite small grew bigger each hour. I want to migrate an existing Windows 7, both for backup and maintenance and then run it as a Virtual machine. The computer is cloned to a VHD, but ...
1
vote
0answers
41 views

VirtualBox machine starts, but not running

Running an Ubuntu Server 15.10 host, I have a guest VM registered. Entering: vboxmanage startvm [NAME] --type gui I get: VM [NAME] has been successfully started. Immediately after, I enter: vbox ...
1
vote
0answers
40 views

KVM switch triggers randomly on any operations with VirtualBox windows

I would like to try to make this KVM switch unavailable for guest operating system. Unfortunately, Oracle documentation is not clear. They probably use terms "local", "remote", "guest" and "host" ...
1
vote
0answers
323 views

Compile iptables from source make error

I'm trying to compile latest iptables 1.6, but I receive the following error: (./configure it's OK) then I call make and: xtables-config-parser.y:20:28: error: libnftnl/table.h: No such file or ...
1
vote
0answers
144 views

Passing control hotkeys to VirtualBox with AutoHotKey

I use VirtualBox on Windows 10 host, and my guest OS is linux openSUSE. Since I still need many windows control hotkeys, I do not use Auto Capture Keyboard in VirtualBox. As a drawback, I can't use ...
1
vote
0answers
29 views

Ping between Ubuntu guest VMs on VitualBox

Running VirtualBox 5.0.10 in a Windows 10 (64bit) host, I've created 2 guest VMs - Both Ubuntu 15.10 (64bit). Looking for a setting that will allow the 2 guests to ping each other and also connect to ...
1
vote
0answers
110 views

Intel-VT not enabled in BIOS on acer laptop V3-772G

Yesterday i purchased Acer Laptop V3-772G and increased RAM just for the sole purpose of using this beast for Virtualization but when i tried to install 64-bit OS it slapped me with VT error. So i ...
1
vote
0answers
102 views

DNS Server and Client Configuration inside Vagrant VMs?

I have a development environment with 2 VMs running CentOS 7 through vagrant. My provider is VirtualBox. site.dev.cafe is my DNS server, and I believe its configuration is correct and working. On ...
1
vote
0answers
159 views

centos 7 virtualbox no internet, how to get rid of virbr0 and virbr0-nic adapters?

I have tried everything. I have 2 hosts and 2 centos 7 virtual machines with nat connection and wireless internet. The first has only lo and enp0s3 adapters and everything is fine. The second has lo, ...
1
vote
0answers
37 views

How to enable VT-x on HP Pavilion p6387c

So, for some reason, Windows Vista 32-bit with 2GB of RAM needs VT-x on Virtualbox. The thing is, I don't know what BIOS menu to go in, I just know Boot Menu and Advanced startup are not a thing to ...
1
vote
0answers
21 views

VirtualBox add virtual hard drive to an existing Debian

I use debian system in VirtualBox. I would like to add to this system, a new virtual hard disk. I went through the wizard, but the system can not see it. How to connect the new drive and format it?
1
vote
0answers
36 views

Swapping from Windows 7 to Ubuntu (host) and Windows 7 VM on same hardware

This may have been asked elsewhere, but it always seems to be unclear about whether they are staying on exactly the same physical hardware. I have Windows 7 32bit with lots of programs installed (inc ...
1
vote
0answers
28 views

Windows 8.1 + Vagrant - Connection Refused - Makes me want to cry

I've spent two days chasing my tails with Vagrant. Under no circumstances can I connect from my Windows 8.1 host machine to the VM, not through the browser, nor with Putty. Even doing a simple ...
1
vote
0answers
189 views

How to create firewall rule on virtualbox windows host to control linux guest access to internet?

I have a windows 7 64-bit host (all outbound connections generally blocked) and run virtualbox (5.0.1) with an opensuse 13.2 guest and need to create a firewall rule on the host to allow access from ...
1
vote
0answers
27 views

Linux VirtualBox cache disk writes

I have a Windows 10 guest in VirtualBox on an Ubuntu 15.04 host. Being Windows, it generates a lot of disk activity which slows down my host system and places excessive wear on my otherwise usually-...
1
vote
0answers
38 views

Debian 6 virtual machine hosted in ubuntu 14.04 has lost all connection after hibernate the host system

I am running debian 6 VM in VirtualBox, hosted on Ubuntu 14.04 The network is set to use the bridge adaptator and always has work correctly. I have my website in the /var/www/mysite directory , in ...
1
vote
0answers
59 views

Configuring my Bridged Network on a CentOS Virtual Machine

I am having trouble configuring my Bridged Network Connection on my CentOS 6.7 Virtual Machine. I am trying to run a R Shiny-Server Web Application on this Virtual Machine. When I try to go to :3838,...
1
vote
0answers
155 views

How to set network location for VirtualBox Host-Only Network adapter on Windows 8 between private/public?

I have configured a Windows Server 2008 guest on VirtualBox v5.0.10 on a Windows 8 host laptop. They work fine and ping each other on bridged mode, IP address are served by a wireless router. ...