I’m running a few Ubuntu virtual machines for testing new software. My favorite virtualization software, VirtualBox, is much easier to use with the additional drivers (called “Guest Additions”) that allow higher screen resolutions, better display performance, and mouse integration. For Ubuntu 8.04 guests, I had some issues installing the guest additions using VirtualBox 1.5.6 OSE.

Occasionally, you might want to give a friend or family member access to your computer, but do not trust them enough with your login information. What do you do? Use the Guest Session or create a guest account. This tutorial shows you how.

VMware Tools is a suite of utilities that enhances the performance of the virtual machine’s guest operating system and improves management of the virtual machine.Installing VMware Tools in the guest operating system is vital. Although the guest operating system can run without VMware Tools, you lose important functionality and convenience.

To activate the fullscreen mode in a virtualbox machine, we need to install Guest additions in the guest OS. If you are testing Ubuntu 10.10 Maverick meerkat in virtualBox , you may notice that guest additions are not working, it seems that the problem is the new xserver they put in ubuntu10.10, the modules are not build against this new version (See screenshot bellow).

This tutorial provides step-by-step instructions on how to install Xen 4.0 on a Debian Squeeze (6.0) system (AMD64) and create paravirtualized guests. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0).

VirtualBox 2's guest additions provide better display drivers, mouse pointer integration, seamless windows, and more. If you're doing much work in a virtual machine you should have them installed.
VirtualBox 2's guest additions have been improved over older versions.

This document explains how to set up the VMware Tools in the following guest operating systems: Ubuntu 7.04, Fedora 7, PCLinuxOS 2007 and Debian Etch. Installing VMware Tools in your guest operating systems will help maximize performance, provide mouse synchronization and copy & paste functionality.

This document describes how to set up Xen on Fedora 7. Xen enables the paravirtualization of your hardware for its virtual machines if you have a CPU with Vanderpool (Intel) or Pacifica (AMD) technology. The paravirtualization provides high performance to your virtual machines. Fedora's virt-manager provides an easy to use GUI for setting up and managing your virtual machines.

Running a server as a guest in a VirtualBox virtual machine isn't much good when you can't network with the guest OS from your host machine. Instead of setting up host interface networking, you can simply port forward though VirtualBox's NAT. Once port forwarding is set up, any computer on your network will be able to network with your guest OS though forwarded ports on your host.