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Mastering Amazon EC2

You're reading from   Mastering Amazon EC2 Unravel the complexities of EC2 to build robust and resilient applications

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781804616680
Length 404 pages
Edition 1st Edition
Languages
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Author (1):
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Badri Kesavan Badri Kesavan
Author Profile Icon Badri Kesavan
Badri Kesavan
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Toc

Table of Contents (21) Chapters Close

Preface 1. Part 1:Diving into Amazon EC2 Fundamentals
2. Chapter 1: Introduction to Amazon EC2 and Its Benefits FREE CHAPTER 3. Chapter 2: Understanding Core Components of Amazon EC2 4. Chapter 3: Creating and Managing Amazon Machine Images (AMI) 5. Chapter 4: Choosing the Right Amazon EC2 Instance Type and Size 6. Chapter 5: Networking and Connectivity in Amazon EC2 7. Chapter 6: Implementing Security Best Practices in Amazon EC2 8. Part 2: Building a Resilient Application on Amazon EC2
9. Chapter 7: Load Balancing and Auto Scaling with Elastic Load Balancer and Auto Scaling Groups 10. Chapter 8: Understanding and Optimizing Amazon EC2 Storage Options 11. Chapter 9: Optimizing Performance with Amazon EC2 Placement Groups and Pricing Model 12. Chapter 10: Monitoring, Logging, and Maintenance with Amazon CloudWatch, AWS CloudTrail, and Backup Strategies 13. Chapter 11: Automating Amazon EC2 – AWS CloudFormation and Infrastructure as Code 14. Part 3: Advanced Amazon EC2 Concepts and Use Cases
15. Chapter 12: Containerization and Serverless Computing in Amazon EC2 16. Chapter 13: Leveraging AWS Services for Hybrid and Multi-Cloud Architectures 17. Chapter 14: Optimizing Amazon EC2 for High-Performance Computing, Big Data, and Disaster Recovery Strategies 18. Chapter 15: Migrating, Modernizing, and Ensuring Compliance in Amazon EC2 Environments 19. Index 20. Other Books You May Enjoy

Instance metadata and user data

Amazon EC2 instances come with extensive metadata and user-data features that can help you manage your instances more effectively. In this section, we will delve into understanding instance metadata and user data, ways to access metadata, working with user data, differences between Instance Metadata Service version 1 (IMDSv1) and IMDSv2, instance identity documents, and several practical use cases for instance metadata and user data.

What is instance metadata and user data?

Instance metadata is data about your instance that you can use to configure or manage your running instance. Metadata includes instance IDs, instance types, IP addresses, block device mappings, and more. User data, on the other hand, is custom bootstrap data that you can provide while launching your instance. The user data is then executed at the time of bootstrapping your instance, which can be used to configure the instance or run as a script according to your use case at...

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