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Category: AWS

A beginner’s guide to Cloud Computing

Cloud Computing

Curious about the hype surrounding platforms like Amazon Web Services (AWS), Microsoft Azure or Google Cloud Platform (GCP)? Read on to find out.

Published June 26, 2022
Categorized as AWS, Azure, Beginner's Guides Tagged aws, cloud, computing, gcp

AWS IoT remove a Retained Message

Learn how to remove a retained message from AWS IoT Core using the AWS IoT MQTT Test Client (Console) and also programmatically using nodejs.

Published May 1, 2022
Categorized as AWS Tagged aws, iot, messages, retained

AWS Lambda Function URLs

In April 2022, AWS made a powerful addition to Lambda: Function URLs. Learn all about them in this post, from enablement to configuration and best practices.

Published April 28, 2022
Categorized as AWS Tagged API, aws, function, gateway, lambda, serverless, urls

How to enable Time To Live (TTL) in DynamoDB

Learn about the Time to Live (TTL) feature of dynamoDB, how to enable it in the console, its salient features and advantages.

Published January 18, 2022
Categorized as AWS Tagged aws, dynamodb, expiry, ttl

AWS Lambda Serverless – Packaging nodejs modules to a layer

Learn how to package the node_modules into a layer on AWS Lambda, so that your application code remains visible on the lambda console.

Published December 23, 2021
Categorized as AWS Tagged aws, lambda, layer, nodejs, serverless

Add a Cognito user to DynamoDB on sign up confirmation

Learn how to add a new Cognito user to DynamoDB (using lambda as the intermediary) as soon as the user’s sign up is confirmed.

Published December 15, 2021
Categorized as AWS Tagged aws, cognito, dynamodb, lambda

Delete a Cognito User using AWS Lambda Python

Learn how to delete users from Cognito using lambda functions in two ways: admin_delete_user and delete_user. Also see how the two methods compare.

Published December 1, 2021
Categorized as AWS Tagged aws, cognito, delete user, lambda, python

Send retained messages from a thing to AWS IoT Core

Learn how to send retained messages from a thing to the AWS IoT Core, and how to view the retained messages on the IoT Core Console.

Published November 30, 2021
Categorized as AWS Tagged Core, iot, messages, mqtt, retained

AWS IoT Core – Using Basic Ingest to reduce costs

Learn how to use basic ingest to save on messaging costs, which form a big chunk of the total costs incurred during the interaction of things with AWS IoT Core.

Published November 29, 2021
Categorized as AWS Tagged aws, basic, cost, ingest, iot

Triggering a Lambda using Rules in AWS IoT Core

Learn how to trigger an AWS Lambda if the incoming messages on a topic in AWS IoT Core satisfy certain conditions. Article includes rule creation and testing.

Published November 13, 2021
Categorized as AWS Tagged aws, iot, lambda, rules

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