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

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1answer
470 views

no sound in fedora 18

I installed Fedora 18 Xfce Spin as a guest operating system on VirtualBox.It has no sound. The operating system settings are: Host Driver:Windows DirectSound Controller:ICH AC97 How can I solve ...
0
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3answers
526 views

Fedora 18 host cannot ping Windows XP guest

I have my laptop running Fedora 18. I want to run a Windows XP guest using VirtualBox 4.2.6. My configuration seems correct, here is my networking report. Fedora 18 host lo: ...
2
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1answer
59 views

switch network on and off of a virtual remote server

I need to perform a testing panel which disconnects a network cable and connect it again on a specific virtual server via a php web page. I found that ip & ifconfig can disconnect a network, but ...
2
votes
1answer
495 views

Error while mounting directory from host via NFS

I've been looking around the site but I couldn't find anyone with the same problem. On VirtualBox, I have a machine with IP *.28 and another one with IP *.20. The latter should mount a directory ...
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0answers
1k views

Using a bridge, an LXC container can't ping router, but the host OS can

I've got a virtual machine running under virtualbox, and in that virtual machine I've got an LXC container I'm trying to bridge to virtualbox's NAT interface: ------------- ----------- ...
2
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0answers
527 views

Error: invalid arch independent ELF magic, while loading a VirtualBox machine with Ubuntu Tinyos

I've created a virtual machine with Ubuntu (having TinyOS). The problem arises when I start the machine. I immediately get a black screen with written: GRUB loading. error: invalid arch independent ...
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1answer
932 views

Do USB emulators exist for Linux?

I'm looking for software that lets me have many virtual USB drives on my Ubuntu installation. I want them to be seen by virtual machines in VirtualBox so I can do backup operations. I need the drives ...
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1answer
3k views

fstab not mounting VirtualBox shared folder?

I have a virtual machine here which I use for development, so as not to mess anything up in my existing environment. I've made a share named "web" available to the guest OS (Ubuntu 12.10 Server) ...
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4answers
2k views

grub waits for user input when booting as guest in virtualbox

I have several ubuntu guests inside a Mac OS X virtualbox host. When I start them, about half of the time they correctly boot and get to their login screens/start all their services. The other half of ...
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2answers
5k views

CentOS doesn't see USB device

I'm running CentOS 6.3 inside of VirtualBox and am having trouble seeing my USB 2.0 thumb drive. In VirtualBox I go to Devices, USB drives and can capture my connected thumb drive. I've created a ...
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2answers
4k views

Virtualbox: Mount a shared folder in Guest FreeBSD from Host Ubuntu

I have Ubuntu 12.10 as Host OS and FreeBSD 9 as Guest OS in Virtualbox 4.1.18. I have Samba installed in both Ubuntu and FreeBSD and shared a few folders from virtualbox, also ticking the automount ...
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2answers
2k views

Guest OS Ubuntu 12.04 no network connection

Recently added a new *.VDI image with Ubuntu 12.04 to my existing VirtualBox. The machine hangs with a "Waiting for network configuration" error, eventually times out after 60 seconds and boots in ...
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3answers
213 views

Can I install ubuntu on a Virtualbox image and use it anywhere?

I am wondering if I install ubuntu once on a virtual machine running inside virtualbox, could I then use it as a portable OS and launch it from virtualbox on any machine? Or would I have to match the ...
0
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1answer
110 views

Debian VirtualBox Guest - Common Files to Remove for Space Saving?

I have created a VirtualBox guest using debian-6.0.7-amd64. I am using it as a clone template to create Java work nodes, so my needs are pretty much limited to the JVM, networking, SSH and the basics ...
1
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0answers
164 views

Centos 6.2: Unable to open terminal after vbox save state

I'm experiencing this issue frequently. Usually, I work on my Centos 6.2 in VBox for a while and then close it by saving state (going to other machines or doing host work). Then, I resume my session ...
3
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2answers
2k views

What's technical difference between official virtualbox and VirtualBox-OSE?

What's technical difference between official VirtualBox and VirtualBox-OSE? My scenario: I'm using Debian sid, it uses a 3.2.0-4 kernel. When you want to download VirtualBox, you have 3 options: ...
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0answers
1k views

How to setup GParted video mode in Oracle Virtualbox?

I'm trying to boot GParted live 0.14.1-6 within Oracle Virtualbox 4.2.6 r82870 (Extension Pack installed). The host OS is Windows 7, the physical graphic card is an AMD Radeon HD 6900. The physical ...
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2answers
272 views

Virtualbox 64bit image on 64bit computer without virtualization support

I have a 64 bit image for VirtualBox (.vmdk file), and I don't have a 32 bit version. My computer doesn't support hardware virtualization. Logically VirtualBox says: This kernel requires an ...
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0answers
243 views

How to manage 2 vm using upstart?

I use an upstart script to monitor a vm and respawn it when it gets killed. I would like to simulate a failover by doing the following. Create a clone of the VM1 say VM2. When either of them is ...
15
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1answer
2k views

how to send CTRL-ALT-Fn to virtual box guest Linux?

This should be a simple question: Host OS: Arch Linux Guest OS: Arch Linux (GNOME) How can I send Ctrl+Alt+F1 to my Guest Linux OS?
3
votes
1answer
4k views

Fedora 18 VirtualBox Resolution Guest Additions

I've installed Fedora 18 64-bit guest into a VirtualBox VM running on a Max OS X host. Previously I've installed Fedora 17 and after installing guest additions from the RPM Fusion repo full screen ...
5
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3answers
615 views

Gedit cannot save in shared folder (Virtualbox)

I'm getting the "Cannot save _ Unexpected error: Error renaming temporary file: Text file busy" in Gedit 2 when I try to save in a shared folder with Virtualbox (Debian). I've searched and apparently ...
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0answers
476 views

Problem getting Fedora to run in VirtualBox

I'm using Ubuntu 12.04 64-bit, trying to get Fedora 18 64-bit to run in the Oracle VM VirtualBox. I've got VirtualBox installed (via the .deb package available from the official site,) and I got the ...
1
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1answer
345 views

Add ipv4 support to CentOS 6.3

I've installed two identical versions of CentOS using VirtualBox. The first instance works fine and has ipv4 configuration automatically working, but the second instance doesn't; it only comes with ...
4
votes
2answers
4k views

“No screens found” while starting Xorg with startx after installing Nvidia drivers in Virtualbox

I installed Arch i686 on a VirtualBox VM (I have an nvidia GT610). I ran the following command as root: pacman -S nvidia After installation and rebooting, I ran pacman -S xorg-server xorg-xinit ...
4
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2answers
609 views

disabling ssh session expiration

I am installed Ubuntu on Virtual Box, and use xshell (a remote terminal application) to ssh to ubuntu. when I hibernate computer during night, after powering it on, the session is expired and I should ...
6
votes
2answers
814 views

How to force release of a keyboard modifiers

Sometimes, when I use synergy between my machines when one is using full-screen VirtualBox guest I get stuck with some weird key modifiers turned on. If they exist on my keyboard (like Shift_L) I can ...
0
votes
2answers
739 views

Installing virtualbox on Debian: dependency problems

I'm currently running Debian Wheezy (Testing). I want to install virtualbox but when I run the following: # aptitude install virtualbox ...I get the following result: The following packages have ...
2
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1answer
2k views

Certain keys (arrows, page-up, page-down) not working in rdesktop-vrdp

I start and stop my VM headless style. Start VBoxHeadless -s Windows -v on -e "TCP/Address=0.0.0.0" -e "TCP/Ports=3389" Stop VBoxManage controlvm Windows poweroff And I connect to it using ...
4
votes
1answer
579 views

Virtualbox seamless mode in Bodhi Linux

I just created a Bodhi virtual machine (Win 7 Host) and installed virtualbox-guest-additions but I'm still not able to activate seamless mode in virtualbox. Is this mode even supported for Bodhi Linux ...
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3answers
6k views

Screen resolution problem in Fedora 17 on Oracle VirtualBox 4.2

I have HP Pavilion dv6 6119tx system which has a screen resolution of 1366X768. But after installing fedora 17 on VirtualBox with Guest additions, the default resolution is 1280X768. Whenever I switch ...
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2answers
1k views

fix the virtualbox centos after vdi resizing or expand a LV group

I successfully resized my centos vdi in virtualbox with command VboxManage.exe modifyhd Centos.vdi --resize 12000 But when i started Centos i got error messages that gnome power manager not been ...
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2answers
906 views

Fedora in Oracle VM VirtualBox: installing guest additions

What are the pros and conses of two method of installing VirtualBox guest additions: via the Devices -> Install Guest Additions...; via su -c 'yum install VirtualBox-guest' from rpmfusion ...
2
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0answers
4k views

vboxpci: IOMMU not found (not registered)

I'm running Arch with 3.6.10 kernel, When vboxpci module is loaded, it tells me vboxpci: IOMMU not found (not registered), But I checked my kernel config, I have the INTEL_IOMMU set already (I uses ...
4
votes
1answer
920 views

Automate installation of VirtualBox Guest Additions via command-line

How can I install VirtualBox Guest Additions from a Bash script, in a unattended way? Whenever I run apt-get -y install dkms virtualbox-guest-dkms from the terminal I'm presented with a interactive ...
3
votes
3answers
2k views

Performance virtualbox diskfiles vs rawdisk

Pros and cons with this two ways to make disk for virtual machines on virtualbox $ vboxmanage createhd --format VDI --size ${SIZE} --filename /path/to/disk.vdi and # vboxmanage createrawvmdk ...
2
votes
1answer
863 views

small screen in virtualbox installed OSs

have installed two virtual OSs. The host OS is debian. Two virtual OSs are win XP and debian ( without graphical environment) . I have install guest additions too. The win XP one is displayed in ...
1
vote
5answers
2k views

Easiest way to install a Linux Desktop installtion on VirtualBox

I need a Linux Virtual machine (running on Windows with Virtual Box), and I need it run a desktop such as Gnome. Because it is running on a Virtual machine on a not particulary powerful machine I ...
0
votes
1answer
4k views

Remote GUI login from Windows machine to Linux machine [duplicate]

Possible Duplicate: Accessing Linux server from Windows machine in graphical mode via SSH How I can login to a remote CentOS' GUI from my Windows 7 laptop?
9
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4answers
19k views

Enabling IOMMU in the kernel for graphics card pass-through

Short question: How can I turn on the intel_iommu setting in the Linux kernel? I run a Debian host, using the grub2 bootloader. Documentation I've seen says to edit /boot/grub/menu.lst, which seems ...
2
votes
1answer
655 views

is linux/compiler.h a userspace header?

VirtualBox is looking for this file in /usr/include but it's missing in gentoo linux-headers Does someone know if that is userspace header and gentoo is missing it? Or if that is not it, then if ...
1
vote
1answer
652 views

How to avoid 4 core limit for Ubuntu within VMWare?

I have Ubuntu installed as VM on my laptop. My laptop has quad core with HT technology making it 8 cores. Within Ubuntu VM I can only use max of 4 cores. What should I do so I can access all 8? ...
1
vote
1answer
707 views

Unable to install CentOS in VirtualBox

I am trying to install CentOS 5.6 in My VirtualBox but I got this error on boot screen. Your CPU Does not support long mode : use a 32 bit Distribution My CPU is 64 bit I checked that using uname -a ...
2
votes
1answer
2k views

VBoxManage: Error: Can't be used as the requested device

I used the soluton from this thread but always i get VirtualBox error: The medium 'lvol.vmdk' can't be used as the requested device type (0x80004005) I've tried all controllers SATA, SCSI, IDE and ...
1
vote
1answer
109 views

changing the partition of a linux

I have a ubuntu system as a virtual system on Virtual Box. It uses VHD as its hard disk. I manged to change the size of VHD using VHD resizer, now I want to expand the partition on vhd so it uses the ...
1
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1answer
150 views

Right way to start VirtualBox with shared folders mounted

Need of commandline to start VM with access to shared folder. Now if I run /usr/lib/virtualbox/VirtualBox --comment "win" --startvm "c252555c-bla-bla" I get VM running but shared folders not ...
1
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1answer
355 views

Trying to run Virtualbox under NX session: getting permission denied

I am running Nomachine NX server on my Ubuntu 12.04, and I'm connecting from a Windows 7 machine using NX client. When I try to start VirtualBox, I get a permission denied error. The same user that ...
2
votes
1answer
2k views

What does this message from kernel mean?

When I start VirtualBox, I got warning: VirtualBox' uses 32-bit capabilities (legacy support in use) It seems harmless though, but I still would like to know what that means? And why did I get that? ...
1
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4answers
2k views

Why does VirtualBox crash when I finish the install of BackTrack?

I have a windows 7 64-bit machine in which I have installed VirtualBox and decided to install BackTrack. The installation finished fine, but when it asked me to "please remove installation media and ...
7
votes
5answers
4k views

Gedit won't save a file on a VirtualBox share: Text file busy

I have a text file that I can change using other applications (for example openoffice). But when I try to change and save it using gedit, I am getting error from gedit: Could not save the file ...