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AWS Tools for PowerShell 6

You're reading from   AWS Tools for PowerShell 6 Administrate, maintain, and automate your infrastructure with ease

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Product type Paperback
Published in Aug 2017
Publisher
ISBN-13 9781785884078
Length 372 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Ramesh Waghmare Ramesh Waghmare
Author Profile Icon Ramesh Waghmare
Ramesh Waghmare
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Toc

Table of Contents (17) Chapters Close

Preface 1. PowerShell Essentials FREE CHAPTER 2. The AWS Overview 3. Installing PowerShell Core and AWS Tools 4. AWS Identity and Access Management 5. AWS Virtual Private Cloud 6. AWS Elastic Compute Cloud 7. AWS Simple Storage Service 8. Elastic Load Balancer 9. Auto Scaling 10. Laying Foundation for RDS Databases 11. DB Instance Administration and Management 12. Working with RDS Read Replicas 13. AWS Elastic Beanstalk 14. AWS CloudFormation 15. AWS CloudWatch 16. AWS Resource Auditing

DB Subnet Groups

When you launch an RDS DB instance inside Amazon VPC, it is always better to create the DB Subnet Group before you spin up the DB Instance. A DB Subnet Group is a collection of subnets (especially private subnets) in the given VPC, and you then associate that DB Subnet Group with your DB instance at the time of launch. Each DB Subnet Group should have subnets in at least two AZs in the given region. If you do not create the DB Subnet Group and leave it to RDS, then at the time of launch, RDS service creates one for you with all the available subnets in the given VPC, which may include all public and private subnets.

It is considered as a best practice to run your databases in your private subnet of the VPC. Creating DB Subnet Group only for the private subnet will allow you to secure your DB instances better. Though you have the option of removing public subnets...

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