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Preparing for the Certified OpenStack Administrator Exam

You're reading from Preparing for the Certified OpenStack Administrator Exam A complete guide for developers taking tests conducted by the OpenStack Foundation

Product type Paperback

Published in Aug 2017

Publisher Packt

ISBN-13 9781787288416

Length 338 pages

Edition 1st Edition

Languages

Swift

Tools

Foundation

Concepts

Cloud Computing

Author (1):

Matt Dorn

View More author details

Table of Contents (19) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Introducing OpenStack and the Certified OpenStack Administrator Exam FREE CHAPTER

2. Setting up Your Practice Exam Environment

3. Keystone Identity Service

4. Glance Image Service

5. Nova Compute Service

6. Neutron Networking Service

7. Cinder Block-Storage Service

8. Swift Object-Storage Service

9. Heat Orchestration Service

10. Troubleshooting

11. Final Tips and Tricks

12. Practice Exam

Before you begin...

Neutron architecture

Neutron is made up of five daemons, as shown in Figure 6.1.

Figure 6.1: High-level view of Neutron architecture

neutron-server: The API and primary gateway to Neutron. One must interact with neutron-server to create, list, delete, and manage networks and other network resources.
neutron-dhcp-agent: Provides DHCP services to DHCP-enabled Neutron subnets. Behind the scenes, neutron-dhcp-agent actually uses dnsmasq, the popular lightweight DHCP server software, within a network namespace. Network namespaces are a feature of the Linux kernel and partition the use of the network, allowing segregation of network resources despite similar IP address ranges.
neutron-l3-agent: Creates Neutron routers. Behind the scenes, Neutron routers are network namespaces with unique routing tables and iptables rules.
neutron-metadata-agent: Provides metadata services to instances. The metadata service was popularized by Amazon Web Services and is a non-routable IP address (169.254.169.254) that...

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Authors (1)

Matt Dorn

Matt Dorn

Matt Dorn is a Senior Technical Instructor and Systems Engineer who has helped hundreds of teams around the world build clouds with open source projects such as OpenStack and Kubernetes. Matt is the author of the recently released book, Preparing for the Certified OpenStack Administrator Exam, and enjoys creating easy-to-understand learning paths that make cutting-edge technologies accessible and fun. Matt's previous experience includes working at Rackspace where he trained and mentored OpenStack Developers and System Administrators. He has also previously served in IT leadership positions for Dell Cloud Services and joined a four-person Microsoft-centric hosting startup in Philadelphia. Matt blogs about cloud-related topics at madorn.com.

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