Oracle VM VirtualBox is a desktop vitualisation product for x86, AMD64 and Intel64 processor architectures.

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8
votes
1answer
953 views

Vagrant NFS share doesn't show updated file if size doesn't change

When mounting /vagrant over NFS, a changed file on the host is not refresh on the guest if the size doesn't changes. Quick update/typo are not immediately reflected unless I make enough modification ...
0
votes
1answer
464 views

Importing a hyper-v exported image

My google-fu is failing me. Badly. One of my clients sent me a Hyper-V exported VM which constitutes a bunch of VHDs and an XML file (which I assume is the machine definition file). Try as I might, ...
6
votes
4answers
1k views

What are the performance implications of running VMs on a ZFS host?

I'm considering migrating from ext3 to ZFS for data storage on my Debian Linux host, using ZFS on Linux. One killer feature of ZFS that I really want is its data integrity guarantees. The ability to ...
0
votes
2answers
969 views

GlusterFS - 'Host not connected' when creating a volume on VBox VMs

I'm trying to deploy a simple GlusterFS cluster on CentOS using Virtualbox. I only have two nodes (gluster-node1 and gluster-node4) with two bricks each and I'm creating a volume with replica level 2. ...
0
votes
1answer
150 views

is it possible to clone or export a VM from a hyper-v cloud?

I would like to know how I can get a clone of a machine that we have in our cloud? We are running hyper-v and are using microsoft virtual machine manager console as a client to manage our virtual ...
1
vote
0answers
1k views

vagrant apache not accessible from host

I am runing a virtual box from vagrant and I am trying to access web pages that are served by guest apache server. When I execute wget http://dev.test.com/index.html on guest everything works fine ...
-1
votes
2answers
329 views

Not able to access apache on virtual box from host machine

I am not able to access apache installed on the guest machine from the host. Details below. I saw the previous threads and worked on that, but still no luck. So am asking. host: windows xp guest : ...
2
votes
1answer
643 views

Apache Reverse Proxy to Multiple Virtual Machines

I've looked all over for the solution to my problem and cannot find it. Setup: So I have a host machine running virtualbox with multiple web servers. Each VM (webserver) has 2 network adaptors; Nat ...
0
votes
1answer
396 views

Give an external IP to a Virtual Machine

I've a Windows Server 2008 R2 with 8 public IPs assigned (fixed), recently i've installed VirtualBox and create a VirtualMachine with OpenBSD. I would like to give one IP to the VM, but every try ...
0
votes
0answers
67 views

Truncated content with Apache on Vagrant VM

I'm using Vagrant to run a CentOS VM in order to try and achieve local development parity with our live servers. I've symlinked /var/www/html with the /vagrant shared directory and am forwarding port ...
0
votes
1answer
426 views

how to mount extra disk in freebsd

I am trying to mount extra storage on my pfsense installation running in virtualbox. I have added an extra virtual drive and can see it attached when running fdisk /dev/da1. I want to mount it in ...
0
votes
0answers
181 views

vpn set up but client cannot connect to DNS server

I have three machines in the local network: A.Android phone B.PC C.pptpd running to Ubuntu in VirtualBox in the same PC. (with bridged networking) There is router which can see all these 3. I use ...
1
vote
2answers
643 views

Install an Oracle DB in a linux VM

I am trying to set up an Oracle database server (at the moment just for testing purposes) in a virtual machine. The setup I'm using: VirtualBox Network adapter in NAT mode (redirecting ports ...
3
votes
1answer
1k views

systemd to wait for command to complete before restart/shutdown or killing other processes

When I'm initiating "reboot" or "poweroff", systemd is killing all the processes, but I need it to wait for one particular application to finish before stopping other services. Actually, I want ...
1
vote
0answers
142 views

How do I completely remove VirtualBox from Server 2008 R2

I'm having network problems since I installed VirtualBox on a Windows Server 2008 R2 64 bits machine. I tested with iperf and the speed suddenly goes to zero for a couple of seconds once every 1 to 3 ...
0
votes
2answers
154 views

Very fast virtual machine rollback [closed]

Summary: Is there a VM that's optimized for fast in-memory rollback to a previous state? I've tried in vain on StackOverflow and SuperUser — maybe this is the right place to ask this question. :) ...
3
votes
1answer
239 views

Selinux interfering with vboxwebsrv or phpvirtualbox

I have a brand new installation of Fedora 18, with a brand new installation of Virtualbox 4.2. I have spent a painful few hours trying to get phpVirtualBox working. Apache 2.4 and PHP 5.4 are ...
3
votes
2answers
1k views

“vagrant up” fails with “NS_ERROR_CALL_FAILED” error [closed]

I am following the basic "Getting Started" guide: http://docs.vagrantup.com/v2/getting-started/index.html I ran vagrant init <etc> followed by vagrant up, but it fails with ...
0
votes
1answer
123 views

Get OS information with WMI from Small Business Server 2011 for Windows 2008 virtual machine

In my organization, the main server is Windows Small Business 2011. It uses a WMI service (I think) to get the Security and Update status of computers on the network. I have a Server 2008 virtual ...
1
vote
1answer
508 views

Windows Server Backup : The program issued a command but the command length is incorrect

The program issued a command but the command length is incorrect This is a virtual Windows Server 2008 R2 Standard version running on Virtual Host installed on a Windows 7 ultimate. Any help? ...
-1
votes
2answers
1k views

how do I install pdsh on centos 6? [closed]

I'm following a tutorial on how to configure a centos machine to be a node in a hadoop cluster for HortonWorks. I'm doing this on a virtual machine on VirtualBox. Sadly, since I am a linux beginner, ...
0
votes
1answer
549 views

Ubuntu 12, cannot change date and time

whenever I try to set the date from either the command line, or using the Settings window, the new value is always reverted after a few seconds. I have tried many things: e.g. date ...
2
votes
1answer
141 views

Is the system time across different virtual machines synchronized in virtualbox?

I am developing an application which requires intricate testing involving exact time stamps of various events. As an example, lets say we have two hosts: h1 and h2. Now if I run a tcpdump on h1, I ...
2
votes
1answer
832 views

Kernel oops on Linux running in VirtualBox breaks some IO-related functionality on the server

We are having problems with CentOS release 6.3 running in VirtualBox on Windows 7 machines. The symptoms are the following: Everything works as normal for several hours, even days. Then something ...
0
votes
2answers
678 views

Why is OOBE running on every boot of a sysprep`d virtual machine?

In an attempt to minimize the disk space used by a bunch of Windows VMs I'm about to work with, I've tried to create a base image in the hope of using differencing disks. I'm nearly there but OOBE ...
-1
votes
1answer
393 views

Ansible/Chef/Puppet to manage personal VMs [closed]

Does it make sense? I know it's useful when we have many servers/virtual machines, but I wanted to use these tools to manage my personal virtual machines. I'm using virtualbox. sometimes I have to ...
0
votes
1answer
486 views

Interface IP address is removed automatically on CentOs running inside VirtualBox

I have CentOS 6.4 on which i am running virtual box. Inside virtualBox i have CentOS based VM which works perfectly fine. The NAT and HostOnly interface have assinged IP Addresses through DHCP and ...
1
vote
2answers
57 views

How to create a redundent webserver using virtual machines

I would like to create a fail-over web server using one physical box and 2 virtual instances. What I am aiming for is the host OS monitors performance of a web server running in a virtual machine (ie ...
17
votes
4answers
1k views

What are the benefits of “enterprise-level” virtualization?

For a company with modest virtualization needs - VirtualBox is currently doing fine at hosting a few light servers - what would some of the benefits be of moving to a more robust platform? I'm ...
2
votes
1answer
756 views

Windows Services Error 1053

I'm running Windows 7 and have VirutalBox installed. I have an Ubuntu server running in a VM. I would like this VM to start up with the machine and run as a service in the background. You can launch a ...
1
vote
0answers
138 views

Update clock on virtualbox virtual machine with cent os from host

I have a virtual machine, with cent os installed, and everytime I sleep the host computer, the clock of the VM goes out of sync. I would like it to pick up the current time from virtualbox - which I ...
1
vote
2answers
237 views

Configure VirtualBox webserver to see visitors IP address

I finally managed to move my server to VirtualBox virtual machine. VM is running in NAT mode. I have forwarded necessary ports, including the port 80 which I first fowarded with iptables to port ...
0
votes
2answers
266 views

How to configure network for Windows server running in Virtualbox

I have dedicated server (OVH) running Debian 6.0. As it is pretty powerful machine and it's not fully utilized, I want to try and run Windows server on it using Virtualbox. I've already installed ...
0
votes
0answers
61 views

No HTTP connectivity in vbox guests with bridged network

I'm running Ubuntu 12.04 Server x86. Network connectivity is on eth2 for the host server (the 10ge card). I installed VirtualBox 4.2 using the downloadable deb package from VirtualBox's website. ...
-2
votes
2answers
926 views

Installing virtualbox on linode

I've followed the VirtualBox installation guide found here and have switched my Linode kernel to use 2.6.32-47-generic-pae using this guide, but I still keep getting the following error when I run ...
2
votes
2answers
2k views

Quickest way to merge snapshots in VirtualBox

I have vdi with quite a number of snapshots taken from it - say, 50 or 70 snapshots. I want to have one plain vdi with a current state. These snapshots take way too much disk space and are not needed ...
2
votes
1answer
240 views

Unable to connect to Internet in OEL5 guest even though I can ping machine from host machine

I have Oracle Enterprise Linux 5 as Guest on VirtualBox running on Windows 7 host using Bridged Network. I have being trying to configure a static IP on OEL5 VM Guest at work, as previously the VMs ...
1
vote
3answers
159 views

Create Virtual Disk from existing hard drive

I have about 20 years of old hard drives from my company. How can I (easily?) create a virtual disk from each of them that can then be opened in VirtualBox? I'd like to copy the images to virtual ...
3
votes
2answers
5k views

Used vgextend/lvextend to add addtional 8GB space but it is not reflected in df output

I have created an instance of ubuntu VM in VirtualBox. At the beginning I have only allocated 7GB for the storage and the VM has now run out of space. First I added another 8GB (/dev/sdb) to the VM ...
2
votes
1answer
97 views

Setting up CentOS/RHEL virtual on VirtualBox

I have a physical server running Red Hat Enterprise Linux Server release 5.5 (Tikanga). I would like to create a virtual machine (using VirtualBox) with a binary-compatible version of CentOS server as ...
2
votes
1answer
748 views

vagrant synced_folders and VBoxInternal2/SharedFoldersEnableSymlinksCreate

ok here's the deal I'm running vagrant(ubunttu 12.10) on top of windows 8 but everytime I try to create a virtualenv (python) from within my non nfs shared folder I get a 'Protocol error', turns out ...
0
votes
1answer
66 views

How to access multiple IP-s of host from virtualbox guest windows

I have a linux host with virtualhosts on 127.0.0.1 and 127.0.0.2 and 127.0.0.3 (the reason is that I need multiple domains with https) and I would like to access them from virtualbox in a windows ...
0
votes
2answers
310 views

How to SSH apache user from a remote guest server on VirtualBox with host-only network?

I have two CentOS virtual machines on VirtualBox . one of them let's say CentOS-1 holds my Web application code . second is CentOS2 . I have two network connections between these two servers : ...
1
vote
1answer
288 views

how to stop eth0 bridged connection via eth1 host only connection in a virtual machines?

I have to simulate unplugged network cable for testing issue to all applications we are developing in my company . I have about 6 virtual machines Cent-OS on a virtual box . from a php web page , I ...
6
votes
2answers
2k views

Virtualbox: How to connect to the display when launched via vagrant?

I've used vagrant to set up ubuntu 12.10. How can I actually connect to the graphical desktop? There doesn't seem to be a way in the Virtualbox manager. It shows a preview but the 'show' icon is ...
-2
votes
1answer
321 views

Full-featured web server (cPanel, Softaculous) running under VMware for multiple projects? [closed]

I love working on WordPress installations locally, mainly because of the speed. No lag, no overworked web hosts. Super-snappy, instant response. I found quite a few ready-to-use solutions in the ...
9
votes
2answers
5k views

Vagrant: Slow internet connection in guest

I'm trying to set up a vagrant. Host is Ubuntu 12.10. Here's my vagrant file: Vagrant::Config.run do |config| config.vm.share_folder("v-root", "/vagrant", ".", :nfs => true) ...
1
vote
1answer
3k views

converting a Virtualbox to Xenserver

How can I use my virtualbox image in a Xenserver 6 or above? I mean is there a way to import the image to Xenserver? Secondly is there anyway we can import vmware image to Xenserver without using ...
1
vote
0answers
348 views

keepalived config is not working correctly with virtualbox vms

my keepalived configuration is not working correctly. I have two virtual testing machines (virtualbox) to try some things out with keepalived/vrrp. Bot can ping each other flawlessly (internal ...
1
vote
2answers
654 views

Issue installing kernel-devel on CentOS

So I am trying to install Guest Additions in my VirtualBox Vm which is running CentOS. I am getting this error though: The headers for the current running kernel were not found. If the following ...