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

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9 views

Network issue with CentOS 7?

I have a VirtualBox machine running CentOS 7. The host is my Mac and the I'm using bridge adapter mode for the VM. Looks like I’m unable to install (yum) updates or even (yum) net-tools. I’m getting ...
2
votes
1answer
177 views

Making SSH connection to Centos 6.5 VM takes ages

I installed Centos 6.5 in a Virtual Box VM. Everything works smooth, except for SSH logins. It takes ages for the command prompt to display. With some verbosity added: debug2: kex_derive_keys ...
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1answer
52 views

Run commands on an Ubuntu guest in VirtualBox VM from Windows host

I am working on some coding, and I have an idea that should work but I have no clue how to make it work. I am using Wolfram Mathematica on my Windows host machine to run some code, but I have to ...
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6answers
86k views

What disk image should I use with VirtualBox, VDI, VMDK, VHD or HDD?

Latest versions of VirtualBox supports several formats for virtual disks, but they forgot to provide a comparison between them. VDI VMDK VHD HDD Now, I am interested about a recommendation or ...
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0answers
12 views

How to share wifi connection between Guest OS(Windows XP) and Host OS(Ubuntu 14.10)

I just installed Windows XP through VirtualBox and installed "Guest Additions too" too. How do I go about sharing my wi-fi connection?
2
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0answers
16 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
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0answers
7 views

Error in installing Mirantis Openstack on windows 8.1

I am trying to install Mirantis Openstack on my windows machine(8.1). The entire process i have done till now is: Install oracle virtualbox with extension pack Install cygwin Install procps, ...
0
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0answers
7 views

How to make application installations permanent with Linux Mint in a VirtualBox?

I installed Selenium, PyCharm and more software on Linux Mint in VirtualBox. However, once I exit the Mint and VirtualBox and login back later on, I find the installed software to be gone. I get a ...
0
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1answer
14 views

Win Server 2008 DHCP on Virtual Network

I'm new to network stuff. I have 2 virtual computers running in VirtualBox: 1 on Win XP and 1 on Win Server 2008. I'm trying to create a DHCP server and DNS server on my server. I know how to add ...
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0answers
69 views

Oracle VirtualBox Guest additions with Windows 10 technical preview

I've decided to try out the Windows 10 technical preview on a VM. I am using VirtualBox 4.3.20 and my host machine is running Windows 7. I installed Win10 successfully but I am having trouble ...
0
votes
1answer
8 views

Linux Watch Memory Command

I am using watch -n 5 free -m command via terminal to watch the memory fluctuate as I run virtual box with a guest that is limited to 4GB of RAM(it allocates 4GB on start of virtual guest). Under ...
1
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1answer
272 views

Samba and Groups (Windows Host, VM Linux Guest)

Ok I've been reading about Samba shares etc. for the past few days, I still cannot get it to work. I've gotten a public share and a private user share to work, but not a group share. [global] ...
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0answers
19 views

Linux virtualbox machine ssh from host

I've recently created a CentOS 6.5 Virtualbox machine. (Portable-Virtualbox) This is currently a replica of the CentOS 6.5 desktop that I use as a file server. In order to use this Virtualbox CentOS ...
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0answers
7 views

ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
0
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1answer
14 views

Any benefits of VT-x for 32bit guest?

I am going to be deploying a network of 32bit guest systems. I will be running one core per VM (but multiple VMs per host), memory usage is low (<512MB per guest). Is there any benefit (or even ...
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0answers
13 views

Virtual Machine network cards are recognized by application

I'm using an application which retrieves data from the network, but I would like to use it in a virtual machine environment (both Virtualbox and/or Vmware); the problem is that the application finds ...
0
votes
1answer
21 views

Guest connected to the internet through the host in Virtualbox host-only network

I have a host-only network in virtualbox. The guest is Windows and the host is ubuntu. Is it possible with this configuration to connect the guest to the internet via the host? So that all the traffic ...
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0answers
17 views

Access from Win 7 inside Virtualbox to EXTERNAL Samba Ser

even after reading two days of information I havn't found a solution for my problem. I hope You can help me. I'm running Win 7 inside in a VirtualBox. The Virtualbox itself is running on an openSuSE ...
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1answer
2k views

Virtualbox + RHEL 5.5 = Your CPU doesn't support long mode

I have a desktop computer running the latest Ubuntu 12.10 32-bit. I'd like to run RHEL 5.5 64 bit in Virtualbox (4.1.8). However, when I bootup the VM with the CD, I got "You CPU doesn't support long ...
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1answer
2k views

VirtualBox webserver not accessbile on host browser

I setup and installed a CentOS6 webserver on a virtualbox. Already setup port-forwarding of port 4444 to 80 so that I can access it and even disabled Win7 firewall. I think that probably the problem ...
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2answers
335 views

Virtual machines: QEMU, virtualbox

When I use virtual machine on my i5 laptop, does it emulate every instruction or does it run normally? How much is speed decreased? Especially I am interested in QEMU and virtualbox, how do they work? ...
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3answers
2k views

Lagging screen with Windows 7 guest machine running Oracle Virtualbox

My guest machine screen is very lagging, open a window then minimize it will remain the unresolved drawing on the guest OS's desktop. I try to increase the display adapter memory size but it doesn't ...
0
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1answer
19 views

Virtualbox: Windows 7 raw disk guest on Linux suddently boots stop 7b

I spend most of my time in Linux, but for as rarely as I use Windows I load my dual-boot partition in Virtualbox 4.3.20 via raw disk access. I've set this up on a few machines and I've been using this ...
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2answers
3k views

Windows 7 host VirtualBox full-screen crash

I have installed VirtualBox on my main drive. When I run (host: Windows 7, updated) my virtual machine works fine until I try to enable full-screen*. Then it crashes with the following error: The ...
0
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0answers
9 views

SSH using Agent Forwarding with Windows Host OS, Vagrant Ubuntu Guest OS, and Keepass/Keeagent

Intent: To be able to deploy to lan-example.com from any dev environment; whether it be directly from the virtual OS, or any single-OS system, or even over the internet using ONE SSH key stored in ...
0
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1answer
20 views

Create virtual disk from some of the partitions on physical device

I am in the process of migrating windows installation to a VM. On the physical device with windows, there are two partitions: /dev/sda1 and /dev/sda2. There's also a large amount of free space ...
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1answer
4k views

Can't get Gopro studio to work in a windows 7 guest on a Ubuntu 14.04 host

I am running windows 7 guest on a ubuntu 14.04 host and am having problems trying to get the latest version of gopro studio to run. It seems to install fine, but everytime I try execute it, it ...
1
vote
1answer
10 views

Error code C4 when installing Windows Server 2012 on VirtualBox

I am getting error code C4 when trying to install Windows Server 2012 on VirtualBox. I was able to install this a few weeks ago. However I had to install a fresh copy again. This time however I always ...
2
votes
1answer
3k views

How can I troubleshoot Virtualbox port forwarding from Windows guest to OSX host not working?

There are a plethora of questions about virtual box port forwarding problems but none with my specific details. I have a Windows install living in Virtual Box, hosted within OSX. I've got several ...
16
votes
1answer
10k views

Copy vagrant box locally

I have a vagrant box running on VirtualBox, and I need to make a copy (with all its existing config and data), so that I can make changes on it without affecting the original. The problem is that my ...
2
votes
3answers
3k views

Use 2 Mouse Cursors on the same Computer

I understand that questions like this have being answered before, however mine is slightly different. Basically I run automated tests which mean that the mouse cursor is moving around the screen ...
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4answers
12k views

My virtualbox fstab will not auto-mount on reboot?

I am able to mount my drive manually like this (ubuntu): sudo mount -t vboxsf C_DRIVE /mnt/saga_c But when I try and add it to my fstab it does not mount when I restart the machine. Is there ...
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1answer
14 views

Syncing virtual machines - dynamically allocated or fixed allocation VHD?

When you run a virtual machine that you want to periodically sync, is it generally faster to use a dynamically allocated VHD or a fixed allocation VHD? I'm sure this depends on a lot of factors, ...
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0answers
16 views

Can't boot with USB 2.0 enabled [Virtual box]

I need to use USB 2.0 on Virtual box for Windows 8.0, my host is Windows 7. I Installed the virtual box extension pack so I have the option to to this. However, when I enable USB 2.0 I cannot start ...
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3answers
4k views

Do I need an Anti-Virus in a virtual environment?

I have installed Fedora on VirtualBox specially for malware testing. Do I still need an anti-virus protection in Fedora?
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1answer
27 views

Why grep shows me output that does not contain the search word?

I want to check if the sensu service is installed. I ran this command service --status-all| grep sensu and here is the output vagrant@vagrant-ubuntu-trusty-64:~$ service --status-all| grep sensu [ ? ...
0
votes
1answer
141 views

run windows 10 on oracle vm virtual box, error your pc need to restart

I'm using windows 7 64 bits, CPU: dual core T4500 does NOT have virtualization, 3 Go of Ram. I want try Windows 10 I have download the Iso, Install Oracle VM and set up it, when I run the vm, I see ...
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0answers
20 views

browsing apache via vm

I have centos 7 running as a guest on my mac with virtual box. I am trying to browse the apache server from my macs browser but I am just getting web site is not available. I set the network settings ...
2
votes
1answer
5k views

Virtualbox gives Error code: 0x000000C4 with Windows 8.1 or 2012

Trying to boot Windows 8.1 or Windows server 2012, either a previously installed VM or booting from CS/ISO on virtualbox gives Error code: 0x000000C4.
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0answers
22 views

VirtualBox Debian add size to root filesystem

I have problem with my VirtualBox Debian system, which run out of memory. I can't start mysql any more and I can't work with it. mysqld: Error writing file '/usr/local/mysql/data/debian.pid' ...
0
votes
1answer
15 views

How can I start my virtualbox instance with the same state?

Is it possible to save a state of a vm in virtualbox, and from then always restart this vm by restoring the state ? My problem, is that the state is deleted after restoration, and I can't restore it ...
0
votes
0answers
8 views

Deploying Windows 8.1 using Windows Server 2012 [migrated]

I want to deploy the windows 8.1 using Windows Server 2012 and Windows ADK 8.1. I did everything correctly and deployed successfully on "ONE" virtual machine client and I'm satarted to deploy on ...
0
votes
0answers
13 views

How to supress syslog from displaying messages to console

I have a docker container(phusion/baseimage-docker) running inside of VirtualBox virtual machine. When I attach to the container I constantly see the output of syslog(cron logs for example) which ...
0
votes
1answer
15 views

How can I connect to MongoDB on my Mac OSX from a process on a Vagrant/Virtualbox machine?

I can't use localhost because from my virtual machine's perspective localhost is the virtual machine itself and not the underlying host that it is running on. How can I connect to the host machine ...
0
votes
2answers
100 views

How to add a 'Host-only Adapter' to a VirtualBox machine via Vagrant file configuration?

A lot of answers out there are only applicable version 1 of Vagrant file configuration. e.g. config.vm.network :hostonly, :adapter => 2 The new public network does not support this feature. e.g. ...
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0answers
17 views

Rotate Windows 8 screen running on VirtualBox

I'm running VirtualBox with Win8 and running that on a MacBook. I want to rotate my screen in windows sideways (Ctrl+Alt+Left) however I'm having difficulties since the driver does not support it is ...
0
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0answers
14 views

How can make virtualbox display vertical scrollbar?

I have downloaded and installed the newest virtualbox 4.3.20 for my Windows 7, but there isn't vertical scrollbar, so it is very inconvenient: I have also installed the Guset Additional Package, ...
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4answers
13k views

VirtualBox imported VM - VERR_NOT_SUPPORTED - VERR_CFGM_VALUE_NOT_FOUND

On VirtualBox, I've exported a Ubuntu Server VM (File \ Export Appliance) and tried to imported it on a different machine. every thing went well with export and import. But, when I start the imported ...
1
vote
1answer
54 views

permission denied (publickey) but key seems is present

I hope I didn't overlook an answer but so far it seems I'm hitting a brickwall. I'm using VirtualBox on my Mac OS X with an Ubuntu 12.04 guest system. While it works perfectly fine with password ...
0
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1answer
30 views

Cannot run VirtualBox after crash, acceleration not available

I know that has a lot of topic like this, I've tried them a lot as well but my problem is not solved. My laptop has Core i3 and I used to use VBox just a few days before. When RAM got up to 99% my ...