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Preparing for the Certified OpenStack Administrator Exam电子书

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9.8

作者：Matt Dorn

出版社：Packt Publishing

出版时间：2017-08-24

字数：29.1万

所属分类：进口书 > 外文原版书 > 电脑/网络

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Master the objectives required to pass the Certified OpenStack Administrator exam. About This Book ? Focuses on providing a clear, concise strategy so you gain the specific skills required to pass the Certified OpenStack Administrator exam ? Includes exercises and performance-based tasks to ensure all exam objectives can be completed via the Horizon dashboard and command-line interface ? Includes a free OpenStack Virtual Appliance to practice the objectives covered throughout the book ? Includes a practice exam to put your OpenStack skills to the test to prove you have what it takes to conquer the live exam ? Updated for the 2017 exam featuring OpenStack Newton Who This Book Is For This book is for IT professionals, system administrators, DevOps engineers, and software developers with basic Linux command-line and networking knowledge. It’s also a great guide for those interested in an entry-level OpenStack position but have limited real-world OpenStack experience. After passing the exam, Certified OpenStack Administrators will prove they have the required skills for the job. What You Will Learn ? Manage the Keystone identity service by creating and modifying domains, groups, projects, users, roles, services, endpoints, and quotas. ? Upload Glance images, launch new Nova instances, and create flavors, key pairs, and snapshots. ? Discover Neutron tenant and provider networks, security groups, routers, and floating IPs. ? Manage the Cinder block storage service by creating volumes and attaching them to instances. ? Create Swift containers and set access control lists to allow read/write access to your objects. ? Explore Heat orchestration templates and create, list, and update stacks. In Detail This book provides you with a specific strategy to pass the OpenStack Foundation’s first professional certification: the Certified OpenStack Administrator. In a recent survey, 78% of respondents said the OpenStack skills shortage had deterred them from adopting OpenStack. Consider this an opportunity to increase employer and customer confidence by proving you have the skills required to administrate real-world OpenStack clouds. You will begin your journey by getting well-versed with the OpenStack environment, understanding the benefits of taking the exam, and installing an included OpenStack all-in-one virtual appliance so you can work through objectives covered throughout the book. After exploring the basics of the individual services, you will be introduced to strategies to accomplish the exam objectives relevant to Keystone, Glance, Nova, Neutron, Cinder, Swift, Heat, and troubleshooting. Finally, you’ll benefit from the special tips section and a practice exam to put your knowledge to the test. By the end of the journey, you will be ready to become a Certified OpenStack Administrator! Style and approach Clear, concise, and straightforward with supporting diagrams and lab environment tutorials, this book will help you confidently pass Certified OpenStack Administrator objectives on the Horizon dashboard and command-line interface.

目录展开

Title Page

Preparing for the Certified OpenStack Administrator Exam

Credits

About the Author

About the Reviewer

www.PacktPub.com

Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the color images of this book

Errata

Piracy

Questions

Introducing OpenStack and the Certified OpenStack Administrator Exam

A brief history of the cloud

The plight of the software developer

The birth of enterprise virtualization

Amazon - not just a place for books

Amazon gripes

NASA and Rackspace open source the cloud!

About OpenStack

The OpenStack Foundation

The four opens

OpenStack types

OpenStack jobs

Application developer - developing on OpenStack

OpenStack administrator/operator - administrating the cloud

OpenStack engineer/infrastructure engineer - doing the DevOps thing

OpenStack product developer - simplifying OpenStack deployment/management

Upstream OpenStack developer - making OpenStack better!

OpenStack services overview

Keystone - identity service

Glance - image service

Nova - compute service

Neutron - networking service

Cinder - block storage service

Swift - object storage service

Heat - orchestration service

OpenStack services in action

Interacting with OpenStack

The OpenStack clients

Service-based clients - traditional clients

Python-openstackclient - the unified client

OpenStack daemon communication

OpenStack API communication

About the Certified OpenStack Administrator exam

Benefits of passing the exam

If you pass...

Seven steps to becoming a Certified OpenStack Administrator

Step 1 - study!

Step 2 - purchase

Step 3 - COA portal page

Step 4 - hardware compatibility check

Step 5 - identification

Step 6 - schedule the exam

Step 7 - take the exam!

About the exam environment

The exam objectives

Getting to know OpenStack (3%) - Chapter 1

Keystone: identity management (12%) - Chapter 3

Glance: image management (10%) - Chapter 4

Nova: compute (15%) - Chapter 5

Neutron: networking (16%) - Chapter 6

Cinder: block storage (10%) - Chapter 7

Swift: object storage (10%) - Chapter 8

Heat: orchestration (8%) - Chapter 9

Horizon: dashboard (3%) - Chapters 3 through 9

Troubleshooting (13%) - Chapter 10

Summary

Setting up Your Practice Exam Environment

About VirtualBox

Open Virtual Appliance (OVA)

A traditional OpenStack cloud

The all-in-one Newton environment

Minimum hardware requirements

Downloading and installing VirtualBox

Configuring VirtualBox networking

Mac/Linux

Windows

Confirming a host-only network IP address

Importing the appliance

SSH into the appliance

Mac/Linux

Windows

Verifying OpenStack service connectivity with the CLI

Verifying OpenStack connectivity with the Horizon dashboard

Summary

Keystone Identity Service

About Keystone

Authentication or authorization?

Keystone architecture

Keystone concepts

Keystone in your virtual appliance

Authentication in action

Project scope via the dashboard

The admin life

The Identity panel

Keystone and the OpenStack CLI

Project scope via CLI

Service-based clients versus OpenStack client

Exam objectives

Exam objective - adjusting quotas

Horizon dashboard

CLI

Exam objective - managing users

Horizon dashboard

CLI

Exam objective - creating domains, projects, groups, and roles

CLI

Exam objective - managing the service catalog - services and endpoints

Horizon dashboard

CLI

Summary

Glance Image Service

What is a cloud image?

Building cloud images

Image file formats

Glance architecture

Glance on the Horizon dashboard

Glance image properties versus Glance metadata definitions

Exam objectives

Exam objective - creating Glance images

Horizon dashboard

CLI

Exam objective - downloading images

CLI

Exam objective - sharing images with specific projects

CLI

Exam objective - setting Glance image properties and metadata definitions

Horizon dashboard

CLI

Summary

Nova Compute Service

Nova - the compute orchestrator

Nova architecture

Hypervisor types

Exam objectives

Exam objective - managing key pairs

Horizon dashboard

CLI

Exam objective - managing flavors

Horizon dashboard

CLI

Exam objective - launching instances

Horizon dashboard

CLI

Exam objective - getting access to your instance

Horizon dashboard

CLI

Exam objective - creating instance snapshots

Horizon dashboard

CLI

Exam objective - managing instance actions

Horizon dashboard

CLI

Summary

Neutron Networking Service

About Neutron

Neutron architecture

LinuxBridge plugin

Neutron concepts

Exam objectives

Exam objective - managing tenant networks

Horizon dashboard

CLI

Exam objective - managing tenant subnets

Horizon dashboard

CLI

Exam objective - managing security groups and rules

Horizon dashboard

CLI

Exam objective - managing routers - east/west traffic

Horizon dashboard

CLI

Exam objective - manage provider networks

Horizon dashboard

CLI

Exam objective - manage provider subnets

Horizon dashboard

CLI

Exam objective - managing routers - north/south traffic

Horizon dashboard

CLI

Exam objective - managing floating IPs

Horizon dashboard

Bonus exercise

CLI

Before proceeding...

Summary

Cinder Block-Storage Service

About Cinder

Cinder architecture

Cinder behind the scenes

Cinder backend software and hardware drivers

Cinder concepts

Exam objectives

Exam objective - managing Cinder volumes

Horizon dashboard

CLI

Horizon dashboard

CLI

Exam objective - managing Cinder snapshots

Horizon dashboard

CLI

Exam objective - managing Cinder backups

Horizon dashboard

CLI

Note

Summary

Swift Object-Storage Service

About Swift

Swift architecture

Swift concepts

Exam objectives

Exam objective - managing containers and objects

Horizon dashboard

CLI

Exam objective: managing container ACLs

CLI

Exam objective: settings objects to expire

CLI

Summary

Heat Orchestration Service

About Heat

Heat architecture

Heat templates

Heat resources

Backward compatibility with AWS

Exam objectives

Exam objective - managing stacks

Horizon dashboard

CLI

Exam objective - updating stacks

Horizon dashboard

CLI

Summary

Troubleshooting

Debugging the CLI

Managing OpenStack daemons

Using the APIs to check the component status

Important OpenStack service directories

Exam objective - analyzing log files

Managing MySQL

Summary

Final Tips and Tricks

Project scope

Time management

CLI help

External monitors

Issues during the exam

Diving deeper into OpenStack

Summary

Practice Exam

Before you begin...

Instructions

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35

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