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  • Book Overview & Buying OpenStack Essentials
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OpenStack Essentials

OpenStack Essentials

By : Dan Radez
4.2 (14)
Buy this Book
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OpenStack Essentials

OpenStack Essentials

4.2 (14)
By: Dan Radez
Buy this Book

Overview of this book

If you need to get started with OpenStack or want to learn more, then this book is your perfect companion. If you're comfortable with the Linux command line, you'll gain confidence in using OpenStack.
Table of Contents (15 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Free Chapter
1
1. Architecture and Component Overview
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1. Architecture and Component Overview
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OpenStack architecture
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Dashboard
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Keystone
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Glance
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Neutron
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Nova
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Cinder
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Swift
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Ceilometer
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Heat
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Summary
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2. RDO Installation
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2. RDO Installation
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Installing RDO using Packstack
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Summary
3
3. Identity Management
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3. Identity Management
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Services and endpoints
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Interacting with Keystone in the dashboard
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Endpoints in the dashboard
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Summary
4
4. Image Management
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4. Image Management
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Glance as a registry of images
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Using the web interface
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Building an image
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Summary
5
5. Network Management
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5. Network Management
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Networking and Neutron
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Open vSwitch configuration
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Creating a network
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Web interface management
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External network access
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Web interface external network setup
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Summary
6
6. Instance Management
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6. Instance Management
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Managing flavors
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Managing key pairs
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Launching an instance
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Managing floating IP addresses
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Managing security groups
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Communicating with the instance
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Launching an instance using the web interface
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Summary
7
7. Block Storage
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7. Block Storage
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Use case
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Creating and using block storage
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Attaching the block storage to an instance
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Managing Cinder volumes in the web interface
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Backing storage
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Summary
8
8. Object Storage
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8. Object Storage
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Use case
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Architecture of a Swift cluster
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Creating and using object storage
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Object file management in the web interface
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Using object storage on an instance
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Ring files
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Summary
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9. Telemetry
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9. Telemetry
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Understanding the data store
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Definitions of Ceilometer's configuration terms
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Graphing the data
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Summary
10
10. Orchestration
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10. Orchestration
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About orchestration
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Writing templates
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Launching a stack
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Autoscaling instances with Heat
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LBaaS setup
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Web interface
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Summary
11
11. Scaling Horizontally
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11. Scaling Horizontally
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Scaling compute nodes
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Installing more control and networking
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Scaling control and network services
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Load-balancing keystone
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Glance load balancing
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Scaling other services
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High availability
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Highly available database and message bus
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Summary
12
12. Monitoring
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12. Monitoring
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Monitoring defined
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Installing Nagios
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Monitoring methods
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Non-OpenStack service checks
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Monitoring control services
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Monitoring network services
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Monitoring compute services
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Summary
13
13. Troubleshooting
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13. Troubleshooting
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The debug command line option
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Tail the server logs
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Troubleshooting Keystone and authentication
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Troubleshooting Glance image management
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Troubleshooting Neutron networking
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Troubleshooting Nova launching instances
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Troubleshooting post-boot metadata
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Troubleshooting console access
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Troubleshooting Cinder block storage
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Troubleshooting Swift object storage
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Troubleshooting Ceilometer Telemetry
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Troubleshooting Heat orchestration
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Getting more help
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Summary
14
Index
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Index

Managing floating IP addresses

Now that an instance is running, the next step is to communicate with it in a fashion other than with the console through a web browser. In the instance list you just saw, an IP address on the tenant network will be listed once it's been assigned. The IP address that's initially assigned to the instance is not a routeable IP address; to communicate with the instance, you will need to assign a floating IP address from the external network. The floating IP address will be mapped to the tenant network IP address, and you will be able to communicate with the instance by way of the floating IP address.

Before a floating IP address can be associated with an instance, it needs to be allocated to your tenant. Floating IP addresses are managed through Neutron, as follows:

control# neutron floatingip-create external

This allocates a floating IP address to the tenant. List it so that you can get its details, as follows:

control# neutron floatingip-list

Use the ID of the...

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