Book Image

Preparing for the Certified OpenStack Administrator Exam

By : Matt Dorn
Book Image

Preparing for the Certified OpenStack Administrator Exam

By: Matt Dorn

Overview of this book

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 to 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!

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Table of Contents (13 chapters)
Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
Introducing OpenStack and the Certified OpenStack Administrator Exam
Introducing OpenStack and the Certified OpenStack Administrator Exam
A brief history of the cloud
About OpenStack
About the Certified OpenStack Administrator exam
Seven steps to becoming a Certified OpenStack Administrator
Summary
2
Setting up Your Practice Exam Environment
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
Importing the appliance
Summary
3
Keystone Identity Service
Keystone Identity Service
About Keystone
Authentication in action
The admin life
Keystone and the OpenStack CLI
Project scope via CLI
Exam objectives
Summary
4
Glance Image Service
Glance Image Service
What is a cloud image?
Exam objectives
Summary
5
Nova Compute Service
Nova Compute Service
Nova - the compute orchestrator
Exam objectives
Summary
6
Neutron Networking Service
Neutron Networking Service
About Neutron
Neutron architecture
Exam objectives
Summary
7
Cinder Block-Storage Service
Cinder Block-Storage Service
About Cinder
Exam objectives
Summary
8
Swift Object-Storage Service
Swift Object-Storage Service
About Swift
Exam objectives
Summary
9
Heat Orchestration Service
Heat Orchestration Service
About Heat
Heat architecture
Heat templates
Heat resources
Exam objectives
Summary
10
Troubleshooting
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
11
Final Tips and Tricks
Final Tips and Tricks
Project scope
Time management
CLI help
External monitors
Issues during the exam
Diving deeper into OpenStack
Summary
12
Practice Exam
Practice Exam
Before you begin...

Troubleshooting

Congratulations! We've covered all the OpenStack service-related exam objectives in the COA exam. Knowing these objectives will put you in good shape for the exam, but keep in mind that there are also some basic OpenStack troubleshooting skills that you will need to bring to the table. In this chapter, we will cover the following:

  • Debugging the CLI
  • Managing OpenStack daemons
  • Using the API to check component/agent status
  • Exam objective - important OpenStack service directories
  • Exam objective - analyzing log files
  • Exam objective - managing MySQL

After this chapter, you should have a solid understanding of successfully meeting all troubleshooting-related objectives in the COA exam.

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