Virtualization on Linux: Using Kernel-Based Virtual Machines for Trouble Free Virtualization

The Kernel-based Virtualization Machine is an excellent framework for running virtual environments on Linux platform.  It provides a powerful support so that virtualization applications can achieve stability and normal operation performance when hosted in a Linux environment.  The virtualization machine enables Linux users to enjoy full virtualization.

Through the use of kernel-based virtual machines, the need for paravirtualization has been eliminated.  Paravirtualization is a method wherein the guest operating system should be modified slightly in order to interface seamlessly with the host OS.  It avoids conflict with the host but it sacrifices performance of the virtual machine.  With the development of new hardware that are configured to accommodate virtualization applications, the emergence of kernel-based virtual machines made it possible to achieve full virtualization for Linux.  This enhances the utility of the technology which is unimaginable some years back.

When using the kernel-based solution, every virtual Linux operates fully using Linux processes and protocols.  It is designed to be user friendly and can operate on two functional modes.  The first mode is kernel while the other one is user mode.  Recently a third mode has been added which is called the guest mode.  This third modality has its own kernel and user operation processes. 

Creating a virtual environment on Linux is easy.  The first step is to create a virtual hard disk.  This hard disk is reflected only as regular file on the host operating system.  After creating a virtual hard disk, the guest operating system can no be installed.  With the use of kernel-based technology, a Windows operating system can run as a guest operating system on the Linux platform.  Those who tried this operation did not experience conflict or reduced performance of Windows on Linux environment.

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