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Virtualization in Linux: A Review of Four Software Choices

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Software

Introduction
This week Canonical, the company behind Ubuntu Linux, announced a partnership with Parallels, maker of the Virtualization products Parallels Workstation and Parallels Desktop for Mac. Consequently, the Parallels Workstation virtualization software is now available to download and install in Ubuntu Linux, completely supported by Canonical, and done entirely through the Add/Remove programs interface. This makes four different virtualization programs -- three of which are installable via the package repositories -- that run on Ubuntu Linux.

This article compares four virtualization products available for Ubuntu Linux: the free, open source x86 emulator Qemu; the closed-but-free versions of VirtualBox and VMware-Server, and the commercial Parallels Workstation.

Installation

Installing Qemu

Installing Qemu is simple, with a twist: Qemu supports the KVM, or the Kernel Virtualization Machine, which enables it to use certain acceleration techniques that the other programs don't use. As a result, we're going to install a few extra packages along with the Qemu package itself:

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