OpenVZ Essentials: Create and administer virtualized containers on your server using the robust OpenVZ

Furman

€18.99

4.5 (4 Ratings)

Paperback Nov 2014 110 pages 1st Edition

Furman

€18.99

4.5 (4 Ratings)

Paperback Nov 2014 110 pages 1st Edition

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OpenVZ Essentials

Chapter 1. Installing OpenVZ

In this chapter, we are going to explain what OpenVZ is and the system requirements we need to install OpenVZ on our system. Then we are going to walk through configuring yum to use the OpenVZ repo and install the vzkernel.

Finally, we are going to talk about installing additional packages to help manage containers on the node—vzctl to create, configure, and remove containers and vzquota to manage quotas.

The disk partition scheme

You will create a / partition for Centos 6.5 and a swap partition to manage the virtual memory on the server and a /vz partition to store the containers that are created on the server.

When installing your Linux distribution, you will want to configure your disk partition scheme to the following:

Partition	Size
/	4-12 GB
Swap	Twice the amount of RAM
/vz	Rest of the space on the drive

Description

If you are a system administrator or Linux professional who wants to learn to set up, install, and manage OpenVZ containers on a server to implement OS-level virtualization, then this book is for you. Along with elementary knowledge of Linux programming, you need to have a conceptual understanding of system components and functions.

What you will learn

Set up OpenVZ for your server infrastructure
Download and configure OS templates for containers
Understand how to use Vzctl for container administration
Create and configure containers as per their utilization
Manage resources on your server
Install and manage webbased management software on the server
Manage multipleserver infrastructure with OpenVZ
Discover how to configure your containers effectively

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MoneyPit Mar 31, 2015

If your use to Virtual Machines on Windows and Mac, such as VM Workstation or VMWare and you want to do something similar on the Linux side, then this book is for you. It helps your learn and create containers which are very similar to virtual machines. It covers the details of the free OpenVZ with tons of command line references. It also dedicates two chapters to a graphical user interface for managing these OpenVZ containers, or VPS's. Highly recommend this book if your interested in VPS for Linux.

Amazon Verified review

BT INC. Apr 09, 2015

Prior to reading this book I had no knowledge whatsoever of OpenVZ and after reading the book, I feel very comfortable with how OpenVZ works and with what it can do. As a book for beginners it really does a nice job of starting at zero and building from there. Some books will assume certain knowledge on the user's part and leave out important details that are needed to configure something or get something running. This book doesn't do that at all. Having said that, if you are somewhat familiar with OpenVZ or are comfortable as a system admin then you might feel like some of the information is redundant and unnecessary. Those parts are obvious and easy to jump past without missing anything.As a book written for beginners to intermediate users it is a great starting point and it is very well written. It is organised well enough to be used as reference later on as well. Overall, if you're looking for a good introductory book to OpenVZ I recommend this book.

Unimon Sep 30, 2021

The publish date of this book is 2014. If you're an OpenVZ user, and apparently there aren't many these days despite the usefulness of the system, this book can serve as a handy reference, or if you want to nominate your spouse or kids as the control ops for your operation. OpenVZ is the open source that Virtuozzo is built on (the pay-for version that supports scaling and clustering). OpenVZ is still in Version 7 (10/2021) so surprisingly, this book is still very relevant.Seriously, OpenVZ is a very slick and comfortable-to-user container virtualization system. Some VPS vendors still use it. It is super light-weight, allowing you to get many Linux instances running on your hardware, which can be quite humble and still make use of OVZ.The book does not have information about installing OpenVZ, which is a good thing because if it did, it would already be totally obsolete.Instead, the book focuses on operations on a Virtual Machine in the course of it's life cycle. In this regard, there have been no significant changes over the past 7 years.What has changed drastically is how you obtain and install the software. Currently it comes in three major forms:(1) An instance you can buy in the AWS Marketplace. Spin it up, and you've got your own full-fledged virtualizer in the cloud.(2) OpenVZ version 7 - not your version 7 from 2014 when the book was written, the current release supports its' own distro of Linux: VzLinux.org (!!) When you download OpenVZ, it's already set up for you as a Linux system running OpenVZ v7 under VzLinux. Burn it onto bare metal, virtualize it under VirtualBox, boot it from a USB. There are crazy cool things you can do with this.(3) Virtuozzo is the pay-for version that can be clustered, and the storage scaled.This book will not teach you to do any of the things I've mentioned. It's an operator manual. But, if you're an advanced Linux hacker, you will find this a handy reference for the lightweight powerful tool that OpenVZ is. Think of it as LXC/LXD light.(3)

Amazon Kunde Jun 16, 2016

It is a good book to begin with OpenVZ as a system administrator. It shows all the commands you need to create and configure a machine.Said that, what you are not going to find here is a deeper understading, for exemple:Why OpenVZ uses their own kernel?Who is involved in the development and how often would you find updates?How the UBC Parameters relate to each other?Am I able to change the UBC Parameter is real time?How that affects the machine?Can I use other filesystems or just ploop?vzdump.....Once you have learn the basic, you can use the book as a quick reference if you do not remember the exact parameter.p.s.: The "quota" command does not exist in the last version.

OpenVZ Essentials: Create and administer virtualized containers on your server using the robust OpenVZ

What do you get with Print?

OpenVZ Essentials

Chapter 1. Installing OpenVZ

What is OS-level virtualization?

What is OpenVZ?

System requirements

Note

The disk partition scheme

The yum configuration

Installing vzkernel

Installing vzctl and vzquota

Restarting the server

Summary

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