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Node.js certification JSNAD - Streams

I already wrote about streams in PHP and how to use them, in the same way this post focuses on the Node.js streams. The aim here is to cover the streams in Node.js, the concepts are fundamentaly the same, but each language has its implementation detail. This post is based...

AWS cloud practitioner notes - The cloud journey

Introduction Is designed to enable architects developers and users of aws to build secure, performant, resilient and efficient infra structure for their applications. Operational excellence Security Reliability Performance efficiency Cost optimization   Module 10 - AWS well-architectd framework The well architected framework is build on five pillars, named: Operational excellence...

AWS cloud practitioner notes - Migration and innovation

Introduction Migrating into the clud is a process, and it takes a lot of work to get things migrated into aws. Module 9 - AWS Cloud Adoption Framework (AWS CAF) AWS Cloud Adoption Framework (AWS CAF) provides advise companies in 6 areas, focused on the people type that you will...

AWS cloud practitioner notes - Pricing and support

Introduction Module 8 - Free Tier Types of free tiers: Always free 12 months free Trials Special services The AWS lambda service allows for 1 milion free invocations per month Amazon S3 is free for 12 months for up to 5GB of standard storage AWS Lightsail offers 1 month trial...

AWS cloud practitioner notes - Monitoring and Analytics

Introduction AWS offers a variety of tools for analytics and monitoring, such as Amazon CloudWatch, AWS CloudTrail and AWS Trusted Advisor. Monitoring: Observing systems. collecting metrics, and then using data to make decisions. Module 7 - Amazon CloudWatch Amazon CloudWatch allows you to monitor you aws infrastructure and the applications...

AWS cloud practitioner notes - Security

Introduction The AWS security model is shared meaning, AWS is responsible for the security of the cloud, and you, the customer is responsible for the security in the cloud. AWS controls the servers, data centers and all the layers in this section. Module 6 - Shared responsibility model Customer responsibilities:...

AWS cloud practitioner notes - Storage and databases

Introduction This module describes the AWS services for storage and databases. AWS has different services that goes from file storaging service to serverless database. Module 5 - Instance stores and Amazon Elastic Block Store Block storage level are places to store files, EC2 has different types of storage as well....

AWS cloud practitioner notes - Networking

Introduction Amazon VPC (Virtual Private Cloud) [1][2] lets you provision a isolated section of aws cloud, and deliver aws services that you control. Public and private grouping of resources are known as subnets. Public subnet Private subnet Module 4 - Connectivity to AWS Internet gateway allows public traffic from the...

AWS cloud practitioner notes - Infrastructure and reliability

Introduction AWS provides solutions to provide high availability for customers through multiple regions. Previous: EC2 Module 3 - global infrastructure AWS provides a range of regions to support highly availability. Compliance (does the data has restrictions to any country? Usually complice states restrictions to where the software should operate.) Proximity...

AWS cloud practitioner notes - EC2

This post as the free official course from AWS [1] is the first on a series to cover the envire course content. The focus on this post is to co over the EC2 service as well as another computing services that AWS provides. Besides that, a brief introductino to the...