So there we have it! In this section, we covered some general OpenStack troubleshooting skills that will prepare you for the COA exam. Remember that the troubleshooting domain covers only about 13% of the exam, so don't expect many questions on this content. Although it's not an exam objective, you should understand how to use the --debug flag to provide clues when troubleshooting OpenStack issues on the CLI. I also showed you how some OpenStack service APIs allow you to check the status of their components/agents. The most important exam objective in this section is to remember the OpenStack service log file locations, and how to grep through them when identifying specific messages. And lastly, we ended the chapter with some very basic MySQL/MariaDB skills, including showing tables of specific databases, backing up, and restoring databases.
Preparing for the Certified OpenStack Administrator Exam
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Preparing for the Certified OpenStack Administrator Exam
By:
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!
Table of Contents (13 chapters)
Preface
Free Chapter
Introducing OpenStack and the Certified OpenStack Administrator Exam
Setting up Your Practice Exam Environment
Keystone Identity Service
Glance Image Service
Nova Compute Service
Neutron Networking Service
Cinder Block-Storage Service
Swift Object-Storage Service
Heat Orchestration Service
Troubleshooting
Final Tips and Tricks
Practice Exam
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