An x86 virtualization software package developed by Oracle (which bought Sun, which bought Innotek).

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6
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5answers
22k views

How to solve “building the main Guest Additions module Failed”

I tried to install the VirtualBox Guest Additions module in a VM guest running CentOS but I get this error message when everything else was okay: building the main Guest Additions module Failed ...
2
votes
3answers
708 views

VirtualBox networking host-only: Linux host XP Guest

I'm having trouble connecting XP ( Guest system on VBOX ) to Debian Testing (host). The version VirtualBox 4.1.12 Relevant parts of the output of commands. ifconfig on debian: eth0 inet ...
1
vote
1answer
3k views

amd64 or i386? VirtualBox can't start client VM

My Debian kernel is linux-image-2.6.32-5-amd64, and the command uname -m returns x86_64. However, apt-get does get i386 packages (those /var/cache/apt/archives/*_i386.deb), and never gets amd64 ...
2
votes
1answer
275 views

Qt based apps have wrong encoding?

I have Ubuntu 11.04. Yesterday I installed VirtualBox and the encoding was wrong (I couldn't read anything). I know its UI very well so I tried changing the UI display language but it didn't work as ...
5
votes
2answers
1k views

How can one switch to ttyX in virtualbox?

I run VirtualBox in Linux , running CentOS in it , and I can't switch to ttyX in the CentOS since I'll go to the ttyX in my Linux. Any solutions ?
3
votes
1answer
8k views

VirtualBox guest using Bridged networking unable to obtain DHCP address

I have a computer, called Loki, that works as a virtual machine host and DHCP server. The DHCP daemon is listening on port eth0. Part of /etc/dhcp.conf: subnet 192.168.13.0 netmask 255.255.255.0 { ...
1
vote
0answers
385 views

3D Acceleration/Compiz Failure

I've installed Linux Mint 12 & Fedora 16 in VB 4.1.10 on a Windows 7 Host which has a Intel i3 processor and Intel HD 3000 graphics card. For both Linux installations I've enabled 3D acceleration ...
14
votes
3answers
30k views

VirtualBox: two network interfaces (NAT and host-only ones) in a Debian guest on Ubuntu

I created a Debian VM on VirtualBox with two interfaces: a NAT one (for accessing internet) and a host-only one. However, I do not know how to make both interfaces work at the same time. If I the ...
2
votes
1answer
1k views

Installing centos server in a virtual machine

I have little Unix/Linux experience, so sorry if this sounds stupid. What I want to do is simple: I want to learn CentOs so that I can manage my own web server. I did so by buying a dedicated and ...
3
votes
1answer
5k views

No networking for Centos under VirtualBox

Running an Ubuntu desktop server. I installed virtual box, then installed CentOS as a virtual machine. Centos is not starting the eth0 network adaptor. When I start it manually, I cannot connect ...
6
votes
1answer
434 views

Self contained VirtualBox VM

I would like to create VirtualBox VMs which are entirely contained in a single directory (including various aspects that are normally kept in a configuration in the ~/ directory). The idea is to ...
2
votes
2answers
9k views

Configure a bridged Ethernet adapter in a VirtualBox guest running Scientific Linux

I installed Scientific Linux 6.2 x86 in VirtualBox on Windows 7 x64. The adapter is Adapter 1: Paravirtualized Network (Bridged adapter, Marvell Yukon 88E8056 PCI-E Gigabit Ethernet Controller) ...
3
votes
0answers
287 views

Increasing serial baud rate within Ubuntu under VirtualBox

I'm debugging a kernel module under VirtualBox with a guest and host OS as Ubuntu 10.10. I'm using the virtualbox serial port but I'm maxing out at the baudrate 115200. My grub config looks like ...
1
vote
2answers
3k views

Is it a good idea to run freenas 8 (inside virtualbox) on a lamp server?

I am redesigning my home network setup (specifically my nas and server), and recently asked a question about running a lamp server and freenas 8 on two separate machines. However, in the spirit of ...
1
vote
1answer
750 views

VirtualBox Hangs when installing freebsd 9.0

When installing Freebsd 9.0 as virtualbox guest, it hangs. Freezes the guest OS, other VirtualBox windows works fine. Logs attached, hardware is pentium D, 4 GB ram, Asus p5ld2 deluxe mainboard, OS - ...
3
votes
1answer
4k views

small Linux host for virtual box

Does anybody know a small and simple Linux distribution that contains not much more than the "VirtualBox" program? I'd like to set up a machine that actually needs some kind of graphical display plus ...
0
votes
0answers
1k views

Multiple network adapters with Virtualbox guests?

I'm running VBox under Mac OS with multiple Linux guests (Redhat). Everything works fine except I want to test dual NICs in one of my guests. I'm using host-only adapters and would like to simulate ...
10
votes
3answers
12k views

Uninstalling default VBoxGuestAdditions on Debian

When I ran sh /media/cdrom/VBoxLinuxAdditions.run I got the following warning message: You appear to have a version of the VBoxGuestAdditions software on your system which was installed from a ...
3
votes
3answers
763 views

Command line friendly virtual machine

I've been using Virtualbox for a while now, but the only way I've learned to interact with it is through the graphical interface. Is there a way for me to send bash commands to the vm through the ...
8
votes
4answers
12k views

Booting the already installed Windows from the VirtualBox installed in Ubuntu

I want to boot the Windows which is installed in laptop's internal harddisk(/dev/sda1) from the VirtualBox installed in my Ubuntu. Can somebody tell me how to do this in VirtualBox.
2
votes
1answer
2k views

Printing from Linux guest with Windows host

I have a wireless printer set up on my Windows host, and I want to use it from my Linux guest. I got a "add a printer" window open, but when I click on "New", I get a few options, e.g. set up via ...
2
votes
2answers
597 views

Cloned VirtualBox CentOS disk is unbootable after cloning in GParted

I cloned and enlarged an existing virtual CentOS-6 disk by the following steps: Create 15GB virtual disk and mount the old and the new disks in GParted. In GParted copy boot, swap and ext3 ...
0
votes
0answers
33 views

How to access the data stored in guest operating system(i.e Virtual machine) from Host system [duplicate]

Possible Duplicate: Share memory between a virtual machine and the host I wanted to access the data stored in virtual machine from my host machine. I know that each VirtualMachine will have ...
0
votes
1answer
1k views

Shrink a Linux guest .vdi in VirtualBox?

I've seen instructions for shrinking the .vdi image for a Windows guest machine in VirtualBox 4.1.8. However, it used a tool to write zeroes to free space in the .vdi (nullfile-1.02.exe) that is for ...
2
votes
1answer
391 views

Virtual machines on different X servers

Is it a good idea to run virtual machine on a different X server? I can switch between them using Ctrl + Alt + Fx shortcuts. If my default X server hangs/crashes, I can still continue to work with the ...
10
votes
3answers
23k views

Why are my two virtual machines getting the same IP address?

I have two virtual machines both running on a Linux host (Fedora 16). I set both adapters as attached to NAT. When I boot them up they both have their default gateway set to 10.0.2.2. They also ...
2
votes
3answers
739 views

How to create a VirtualBox HDD?

I need to have a file on a VirtualBox guest's HDD. What are the solutions for this? How can I put a file on a Virtualbox guest's HDD? Version: virtualbox-4.1 4.1.8-75467~Ubuntu~lucid I mean I need a ...
2
votes
1answer
879 views

kernel panic error after recompilation

I am completely blocked, but temporarily. I have an Ubuntu 11.10 in good condition, in this one I installed VirtuelBox. I installed on VirtuelBox as Ghest Debian Squeeze with Kernel 2.6.32-5-686. ja ...
36
votes
10answers
73k views

How to automatically start and shut down VirtualBox machines?

I need to run a software system that is intended to be installed as an appliance on a dedicated machine. In order to save energy, I plan to run the system on a VirtualBox VM instead. The host is a ...
0
votes
2answers
631 views

What are the minimum requirements to run a graphical application?

This follows my previous question, where I installed Debian for the purpose of having a lightweight distro to run virtual machines on. I installed it with just the laptop and admin packages -- not ...
2
votes
1answer
962 views

What are some options for lightweight distros, specifically for virtulization? [duplicate]

Possible Duplicate: Which Linux distro is most lightweight for running virtual machines? I've been using Linux for a year or two full time. I do a lot of programming, and I'm pretty good ...
4
votes
1answer
2k views

Running xen inside VirtualBox , possible?

Can i run a Linux system inside VirtualBox or VMware , with xen kernel ? It's not intended for a real server or production workplace , just to learn the configuration of XEN. BTW: target computer ...
2
votes
2answers
848 views

Default settings for VirtualBox machines?

How can I change the default settings of virtual machines that are created by VirtualBox? I don't need any floppy devices or sound enabled by default.
2
votes
2answers
2k views

How to make new KVM with existing hard drive

I've been looking through the options of the QEMU binary, and I can't work this one out: Is it possible to make a new KVM machine with an existing hard drive image with an OS (XP Pro in this case) ...
0
votes
4answers
744 views

NMAP probing VirtualBox Client

Cannot seem to probe virtual guests from the virtual host. These guests can be probed from other devices on the same LAN/Network, but not the host. I can understand why it might be struggling, but I ...
4
votes
1answer
6k views

CentOS doesn't know what the internet is

So I've done my share of investigating this problem... I just recently created a CentOS 6 VM on my LinuxMint box using VirtualBox. I left all the recommended values the same upon creation (8GB HDD, ...
9
votes
3answers
38k views

Increasing Screen Size/Resolution on a VirtualBox Instance of Centos

I have VirtualBox instance of Centos 5. The screen size is quite small (800*600) and I'd like to increase it to 1280*1080. Under the Gnome preferences for "Screen Resolution" I only get the option for ...
2
votes
0answers
151 views

VirtualBox appliance import locks up system

I have a Windows Vista x64 appliance that I am trying to import into the Open Source Edition of VirtualBox on Linux Mint 11 x86-64. The ovf file is 21.3 GB in size. The problem I am having is that ...
2
votes
1answer
485 views

FreeBSD 8.2 STABLE installation failing on VirtualBox

On my pc-bsd box, I installed VirtualBox and trying to install FreeBSD 8.2 STABLE in 10GB space. During installation, I selected all the default settings, it looks like this: But after this, I get ...
2
votes
1answer
770 views

VirtualBox host-only network suddenly stopped working , no interface available inside

I'm unable to setup host-only network in virtualbox suddenly , please see my screenshot , there's no entry in "Name" comboBox
4
votes
2answers
527 views

Can applications like VirtualBox run at startup without any users logging in ubuntu?

This question comes to mind because we are tinkering with the idea of going VM with some of our servers. KVM is a bit involved, VMWare acts like they want to be a free product, and Microsoft is just ...
6
votes
1answer
7k views

AltGr keys don't work with Ubuntu in VirtualBox

I just installed VirtualBox (from Oracle) in Windows 7, and created a virtual machine with latest Ubuntu. Here in Firefox I can use the left Ctrl key, while the right one doesn't have any effect. ...
6
votes
2answers
12k views

Oracle Linux 6.1 guest on Virtualbox 4.1 can't connect to network

I just installed VirtualBox 4.1 on my Windows system, and then added a Solaris 11 Express guest and an Oracle Linux 6.1 guest. Both installs went smoothly. But while the Solaris 11 guest has network ...
4
votes
1answer
2k views

Minix: Kernel Panic when booting from the Live CD

I followed the instructions in the Minix wiki on how to set up Minix in VirtualBox, but right after hitting enter on the boot screen, I get a kernel panic: *** kernel messages: ested 0 ... kernel ...
1
vote
1answer
766 views

VirtualBox disk performance?

This option was newly added to latest version of VBox , googled a lot , seems no much information was revealed , could anyone please help me pick one disk format ? Which one owns better performance ...
2
votes
1answer
446 views

Will VMX cpu flags increase the speed of virtual machine software , like VirtualBox?

On some CPUs, if I run grep vmx /proc/cpuinfo, I can see a vmx flag under the features entry. Will this feature speed up virtual machine software like VirtualBox?
1
vote
1answer
1k views

Ubuntu installed from mini-ISO under VirtualBox doesn't boot

I installed the mini ISO of Ubuntu 11.04 in VirtualBox. After unmounting the ISO image and booting, I can see only black screen for about two hours? Is it normal? What can I do with it in virtual box ...
5
votes
1answer
2k views

Linux Mint won't run virtualbox

I installed Linux Mint 11 Katya with Virtualbox 4.1 once and all was running fine. Then I reinstalled system, and I have a lot of software installed too (including Wine). But when I went through the ...
2
votes
2answers
2k views

Can I get full video capabilities in Arch Linux guest on Virtual Box?

I'm trying out arch linux on my win7 host on a VB and I have it installed just fine, the problem is that when I try to use gnome-shell it goes back to fallback mode because it detects that my video ...
1
vote
1answer
3k views

Black Screen When Booting From .VDI Image

I have cloned a VirtualBox machine, which runs Ubuntu 11.04 32-bit as Guest OS. I now wish to transfer it to a new host machine running Windows Vista 32-bit. I’ve transferred the .vdi file and ...