If you want to try the latest Ubuntu 12.04 Precise Pangolin alpha or a daily build in VirtualBox (guest), you'll stumble upon a few issues like: VirtualBox can't boot from the 32bit ISO because PAE is not enabled by default so you'll get a kernel error, the mouse isn't working or the screen is glitchy and black in Unity 3D after installing the VirtualBox Guest Additions from the repositories (r

To get your USB drives to work with VirtualBox when using Ubuntu as a host, you need to add your user to the vboxusers group. Please note that this doesn't work with VirtualBox OSE, so you'll need to install VirtualBox from its repository.

Great news for those who want to try out the latest Ubuntu 11.04 Natty Narwhal with the Unity interface without booting a CD or Live USB - Unity now works in the latest VirtualBox 4.0. All you have to do to get Ubuntu 11.04 with Unity to work in VirtualBox 4.0 is to enable 3D Acceleration and obviously, install the VirtualBox Guest Additions. Read on!

VirtualBox 4.0 has been released today. We've already covered what's new in VirtualBox 4.0 when the first beta came out so check out that post or the changelog for more info.

VirtualBox 4.0 beta comes with a redesigned user interface, settings/disk file layout for VM portability, support for more than 1.5/2 GB guest RAM on 32-bit hosts, support for the Intel ICH9 chipset, support for limiting a VM's CPU time and IO bandwidth, asynchronous I/O for iSCSI, VMDK, VHD and Parallels images, support for resizing VDI and VHD images and more.

Super OS 10.10, a modified version of Ubuntu has been released today and with it, the Super OS repository I was telling you about a while back has also been updated to support Ubuntu 10.10 Maverick Meerkat.

The Virtualbox (non-free - which doesn't mean it's free per se, but that it's proprietary) repository for Ubuntu 10.10 Maverick Meerkat has been created today.

Super OS (formerly: Super Ubuntu) is a modified version of Ubuntu 10.04. But this post isn't about Super OS but about the amazing repository it comes with and which you can of course use on a regular Ubuntu 10.04 installation or any Ubuntu 10.04 based Linux distribution/remaster.

What's new in VirtualBox 3.2:

Oracle VM VirtualBox is an x86 virtualization software package, originally created by German software company innotek GmbH, purchased by Sun Microsystems, and now developed by Oracle Corporation as part of its family of virtualization products.

TestDrive is an Ubuntu application that is especially designed for non-technical users to easily download and run the latest Ubuntu development daily snapshot in a virtual machine.

To convert an .img file to .vdi in Linux, so that you can directly use it in VirtualBox, open a terminal and paste this:

SUN announced on their forums, the release of the first beta of VirtualBox 3.1, the next major update of the popular virtualization software which includes some really interesting changes, such as:

• Teleportation (aka live migration); migrate a live VM session from one machine to another

Installing an operating system, even if it's in VirtualBox, can take quite some time. If you want to try out lots of different Linux distributions, this will become very time-consuming. But guess what: there's a website which provides VirtualBox images of several free and/or open-source operating systems, such as GNU/Linux or Free/Net/OpenBSD.

When you want to launch a virtual machine in VirtualBox, you must first run VirtualBox and then start the VM. Here is how to create shortcuts to launch virtual machines in VirtualBox without opening the main program window:

VirtualBox 3.0 has been in beta for less than a month, but Sun Microsystems decided to officially release it today.

It seems today is a day full of releases. VirtualBox 3.0 has been in beta for less than a month, but Sun Microsystems decided to officially release it today.

One week after the first beta, VirtualBox released a second beta version of 3.0 which comes with numerous bux fixes, improved performances and fixes for SMP guests.