At launch, a generic virtual machine requires a prebuilt disk image to boot from – some kind of storage that holds the operating system using which the virtual machine will run. Traditionally, a new virtual machine is created with a form of installation media accessible to it. This could take the form of an ISO, optical device, or maybe some form of network-accessible media. Whatever media is provided, an operating system installation is the next step in this scenario. One of the purposes of cloud computing is to be able to quickly create disposable virtual instances. The tasks of running an operating system installation and spawning a virtual machine fast are polar opposites of each other. Cloud computing has removed the need for a per-instance operating system installation by creating what have come to be known as cloud images. Cloud images are simply pre-installed bootable disk images that have been sealed. A sealed disk image is a sparse file containing...
OpenStack Essentials - Second Edition
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OpenStack Essentials - Second Edition
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Overview of this book
OpenStack is a widely popular platform for cloud computing. Applications that are built for this platform are resilient to failure and convenient to scale. This book, an update to our extremely popular OpenStack Essentials (published in May 2015) will help you master not only the essential bits, but will also examine the new features of the latest OpenStack release - Mitaka; showcasing how to put them to work straight away.
This book begins with the installation and demonstration of the architecture. This book will tech you the core 8 topics of OpenStack. They are Keystone for Identity Management, Glance for Image management, Neutron for network management, Nova for instance management, Cinder for Block storage, Swift for Object storage, Ceilometer for Telemetry and Heat for Orchestration. Further more you will learn about launching and configuring Docker containers and also about scaling them horizontally. You will also learn about monitoring and Troubleshooting OpenStack.
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OpenStack Essentials - Second Edition
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Table of Contents (20 chapters)
OpenStack Essentials Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
RDO Installation
Identity Management
Image Management
Network Management
Instance Management
Block Storage
Object Storage
Telemetry
Orchestration
Docker
Scaling Horizontally
Monitoring
Troubleshooting
Index
Customer Reviews