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Four ways to initialize Linux instance
【Four ways to initialize a Linux instance】 Consider how to perform the initialization process when an EC2 instance is started. We will cover the following four methods of initializing an EC2 instance at build time How to use user data ... -
yum/dnf on private subnet instances
【Configuration for running yum/dnf on instance in private subnet】 We will check how to run yum/dnf on an instance in a private subnet. In this case, the following two patterns will be identified How to use NAT gateways How to use VPC e... -
Accessing Windows instance via SSM Session Manager
【Configure Windows instances to be accessed via SSM Session Manager】 We will check a configuration that accesses a Windows instance via SSM Session Manager. Session Manager is a fully managed AWS Systems Manager capability that lets yo... -
Accessing Linux instance via SSM Session Manager
【Configure Linux instances to be accessed via SSM Session Manager】 We will check a configuration in which an EC2 instance is accessed via SSM Session Manager. Session Manager is a fully managed AWS Systems Manager capability that lets ... -
CloudFormation’s nested stack
【How to build an environment with a nested CloudFormation stack】 Examine nested stacks in CloudFormation. CloudFormation allows you to nest stacks. Nested stacks are stacks created as part of other stacks. You create a nested stack wit... -
Failing over with Route53 and displaying error page
【Configuring Route53 Failover Routing Policy to Display Error Page】 This topic is related to high elasticity, which is also one of the questions in the AWS SAA: You can increase the elasticity of your system by choosing a Route 53 fail...
