Virtuozzo 7 Technical Preview - Virtual Machines Templates

Virtuozzo 7 Technical Preview - Virtual Machines Templates

Chapter 1. Introduction

Virtuozzo 7 is a virtualization solution that allows you to run multiple virtual machines and containers on a single physical server.

This chapter provides general information about Virtuozzo and this guide.

• Virtuozzo basics

• goals and target audience of the guide

• guide organization

• resources to consult to get more information on Virtuozzo

• ways to submit feedback to the documentation team

1.1. About Virtuozzo 7

Virtuozzo 7 is a virtualization solution that allows you to simultaneously run multiple virtual machines and containers on a single physical server. With Virtuozzo, you can efficiently share your server’s hardware resources among virtual machines and containers.

Virtuozzo is installed directly on the server hardware and does not need any operating system to function. Once it is installed, Virtuozzo allows you to create virtual machines and containers and manage them using the following tools:

Command-line interface (CLI). The command-line interface comprises a set of command-line utilities that you can use to manage virtual machines and containers, both locally and remotely.

Virtual Automation (VA). Virtual Automation is a remote management tool that allows you to manage physical servers and their virtual machines and containers with the help of a standard Web browser on any platform.

Graphically, a server with the Virtuozzo software installed can be represented as follows:

Chapter 1. Introduction

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1.2. About This Guide

This guide is meant to provide complete information on Virtuozzo templates, a technology allowing you to efficiently deploy standard Linux applications inside your containers and to greatly save your server resources (physical memory, disk space, etc.). In particular, you will learn how to create your own application templates and manage them in a number of different ways.

The primary audience for this guide is anyone who is intended to deploy one or several applications inside their containers and looking for ways to do it with the maximal level of efficiency. To complete all the operations described in this guide, no more than basic Linux administration habits is required.

1.2.1. Organization of This Guide

This guide is organized in the following way:

Chapter 1, Introduction on page 4, gives an overview of the Virtuozzo product and this guide.

Chapter 2, Templates Overview on page 6, provides general information on Virtuozzo templates:

what templates are, the advantages of their usage in Virtuozzo-based systems, etc.

Chapter 3,

Managing EZ Templates

on page 11, provides instructions on managing OS and application EZ

templates. You will know how to create and install EZ templates on the hardware node, add them to and remove them from containers, make OS template caches and update them, etc.

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