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Category: aws
Terraform resource config – inline or standalone
Settings for some resources can be defined inline or as standalone resources. In this article, we will see how they behave differently.
Upgrade AWS RDS instance using blue/green deployment
Objectives:Use blue/green deployment to update an RDS instance from 8.0 to 8.4Check replication statusSwitch to staging (green) instance keeping DB endpointFall back if application cannot work with 8.4
Recover your Windows EC2 instance from CrowdStrike incident
Please note that the following steps work on volume without bitlocker. Step 1: Identify the affected EC2 instance. On AWS console > EC2 > Instance, Click Actions > Monitor and troubleshoot > Get system screenshot to open the console, and you should see a blue screen like this. When it reaches 100%, the OS would…
External modules on Terraform
External terraform modules can speed up IAC deployments, promote code reuse, and let us do things more consistently. In this post, I will demonstrate 2 ways to use an external module.
Apply changes to all member accounts in an AWS organization
In this demo, I will use Cloudformation StackSets to create an IAM group in all accounts.
Terraform conditional resource and blocks
In this example, I will first demonstrate how to conditionally create a terraform resource. Then how to add a configuration block inside a resource conditionally.
Inspect and control network traffic on AWS
In this example, I will deploy a software router between Internet Gateway and a workload EC2 instance. All traffic will be routed through the software router. With this setup, I can gain visibility on network traffic. I can also control the traffic with iptables, such as rate limit certain type of network requests.
Plan your migration to AWS with AWS Migration Hub
AWS Migration Hub provides a set of tools for planning your migration to cloud. An agent needs to be installed either inside the OS or on the hypervisor. Captured usage will be used to make recommendation on migration approach and even sizing. In this example, I will put agents to 2 Linux VMs and then…
Connecting to AWS workspace using RDP
AWS recommends using Workspace client to connect to workspace instances. But perhaps your corporate IT will not install workspace client for typical reasons. If you want to connect with RDP, you can and here is how.