Nestor Mayagma Jr.

An Application Load Balancer enables you to set up a listener with rules that direct incoming requests to target groups based on the URL. This capability is unique to Application Load Balancers and is not offered by other load balancer types like Classic Load Balancer, Network Load Balancer, and Gateway Load Balancer. The path pattern […]

Artificial Intelligence (AI) has rapidly advanced, pushing the limits of what machines can accomplish. However, one significant challenge remains: ensuring that AI responses are both accurate and contextually relevant while being up-to-date. This is where Retrieval-Augmented Generation (RAG) comes in—a cutting-edge approach that integrates the capabilities of data retrieval with advanced AI generation techniques. In […]

In today’s fast-paced digital environment, operational efficiency and security are important. This blog post explores a streamlined approach to retrieving user emails from specific IPs in WordPress using Slack Slash commands powered by AWS Systems Manager (SSM) and AWS Lambda. Automating this process significantly reduces the operational overhead associated with running SQL commands manually. Additionally, […]

I recently transferred my domain to a different AWS account. However, despite waiting for the standard 48-hour DNS propagation period, I noticed the changes were not propagating as expected. In this article, we’ll delve into the steps I followed, potential pitfalls, and solutions to ensure a smooth domain transfer process. DNS propagation is the process of […]

Managing cloud costs effectively is crucial for businesses. AWS provides a feature to set budget alerts that notify you when your costs exceed a certain threshold. While these alerts can be sent via email, they can sometimes get lost in the flurry of daily emails, leading to delayed responses. This is where real-time Slack notifications […]

Overview Stay updated with your Amazon EC2 and EBS events directly through your Slack channel. This guide will walk you through the process of setting up a system that sends a Slack notifications for the following events: Before we delve into the implementation steps, it’s crucial to understand why real-time notifications for Amazon EC2 and […]

Amazon CloudFront, a content delivery network (CDN), lets you distribute content with low latency and high data transfer speeds. One of its many features is the ability to create CloudFront functions, which are lightweight functions that can manipulate HTTP requests and responses. This article will discuss creating a CloudFront function to validate Referrer headers. Referrer […]

I recently took and passed the SYSOPS Administrator Exam, and I wanted to share my experience. This was a challenging yet rewarding journey, and I hope my insights will help those who are planning to take the same path. About the Exam The AWS Certified SysOps Administrator Associate ( SOA-C02 ) is consistently among the top paying […]

Amazon S3 and Route 53, both provided by AWS, offer a comprehensive solution for managing and deploying web content. Route 53 allows you to create alias records that direct to the website endpoint of your S3 bucket. Meanwhile, Amazon S3 is a robust service for hosting static websites. These services, when used together, provide a […]

What is Amazon S3? Amazon S3, a scalable and secure object storage service, offers an efficient and cost-effective way to host static websites. In this article, I will guide you through a step-by-step process of setting up a static website on Amazon S3. Whether you’re an experienced developer or a beginner just starting out, this […]