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Home » Collections for Nestor Mayagma Jr. » Page 4

About Nestor Mayagma Jr.

Nestor is a cloud engineer and content creator at Tutorials Dojo. He's been an active AWS Community Builder since 2022, with a growing interest in multi-cloud technologies across AWS, Azure, and Google Cloud. In his leisure time, he indulges in playing FPS games.

AWS Glue DataBrew

2026-01-07T16:46:55+00:00

Bookmarks Features Components Pricing References AWS Glue DataBrew Cheat Sheet AWS Glue DataBrew is a tool designed to streamline your data analysis process. It allows you to interact with your data directly, eliminating the need for complex coding. With its extensive library of over 250 pre-built transformations, you can easily clean, normalize, and format your data, preparing it for insightful analysis. Supports data quality rules and PII detection, enabling validation and masking of sensitive data during data preparation. Integrates natively with Amazon AppFlow to ingest data from SaaS applications such as Salesforce, Zendesk, [...]

AWS Glue DataBrew2026-01-07T16:46:55+00:00

Validate Referrer Headers Using CloudFront Function

2024-04-11T01:58:29+00:00

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 Headers Referrer headers are an essential part of HTTP requests, as they indicate the webpage's address linked to the resource being requested. By validating these headers, you can add an extra layer of security to your application, preventing unauthorized access and protecting your resources from [...]

Validate Referrer Headers Using CloudFront Function2024-04-11T01:58:29+00:00

My AWS Certified SYSOPS Administrator – Associate (SOA-C02) Exam Experience

2024-02-21T00:19:52+00:00

I recently took and passed the AWS Certified SysOps Administrator Associate Exam and wanted to share my experience. This was a challenging yet rewarding journey, and I hope my insights will help those planning to take the same path. About the Exam The AWS Certified SysOps Administrator Associate ( SOA-C02 ) is consistently among the top paying IT certifications, considering that Amazon Web Services is the leading cloud services platform in the world with almost 50% market share! The AWS Certified SysOps Administrator Associate exam is specifically designed to validate the technical knowledge of AWS SysOps Administrators, Systems Administrators, and those in a DevOps role [...]

My AWS Certified SYSOPS Administrator – Associate (SOA-C02) Exam Experience2024-02-21T00:19:52+00:00

How to Install and Configure PHP OpCache with Web Viewer on Ubuntu 20.04

2024-01-02T01:18:27+00:00

The performance of your PHP applications can be significantly enhanced by using OpCache, a PHP opcode cache. OpCache reduces the need to recompile your PHP scripts on each request by storing the generated bytecode in memory, resulting in quicker execution rates and lessened server load. Image retrieved from https://www.pinterest.ph/pin/flash-running-poster-custom-posters-design-your-own-wall-art-create-personalized-prints--792281759458556733/ This article will walk you through installing and configuring PHP OpCache with Web Viewer on Ubuntu 20.04. Install OpCache Install the Nginx, PHP, and additional PHP extensions with the following command: sudo -i apt-get install nginx php php-fpm php-cli php-OpCache php-mysql php-zip php-gd php-mbstring php-curl php-xml -y After installing, use [...]

How to Install and Configure PHP OpCache with Web Viewer on Ubuntu 20.042024-01-02T01:18:27+00:00

Amazon Kendra

2025-11-24T12:10:54+00:00

Bookmarks Features Benefits Use Cases Document Types and Formats Supported Data Sources Querying Data Use of Tags Pricing Amazon Kendra Cheat Sheet Amazon Kendra is a highly scalable, intelligent enterprise search service. It utilizes machine learning to search unstructured data and improve accuracy in search results. It’s tightly integrated with other AWS services, such as Amazon S3 and Amazon Lex. It offers enterprise-grade security. Features Natural Language Processing (NLP): Amazon Kendra uses NLP to get highly accurate answers without the need for machine learning (ML) expertise. Fine-tuning Search Results: [...]

Amazon Kendra2025-11-24T12:10:54+00:00

AWS Billing Conductor

2024-04-12T13:08:42+00:00

Bookmarks Key Features Benefits Pricing AWS Billing Conductor Cheat Sheet Facilitates showback and chargeback workflows for AWS Solution Providers and Enterprise customers. Enables customization of an alternative monthly billing data version. Models your billing relationship with customers or business units. Maintains your existing AWS billing method. Allows configuration, generation, and display of rates to specific customers over a billing period. Supports analysis of rate differences between your groupings and actual AWS rates. Key Features Group Accounts: You can group your accounts into a set of mutually exclusive set of accounts (billing groups). These groups [...]

AWS Billing Conductor2024-04-12T13:08:42+00:00

AWS Device Farm

2025-11-24T08:38:58+00:00

Bookmarks Key Features Terminology Availability Device Selection Test Types Test Reports Pricing Security Reference AWS Device Farm Cheat Sheet AWS Device Farm allows you to examine and interact with your Android, iOS, and web applications on actual, physical devices maintained by Amazon Web Services (AWS). Key Features Automated App Testing - Device Farm provides the functionality to either upload your personalized tests or utilize the pre-existing, script-free compatibility tests. The testing process is executed concurrently, which enables tests on various devices to commence within minutes. Upon the completion [...]

AWS Device Farm2025-11-24T08:38:58+00:00

AWS AppConfig

2025-11-12T08:24:15+00:00

Bookmarks Key Features Benefits Use Cases Pricing Reference AWS AppConfig Cheat Sheet AWS AppConfig allows software developers to quickly and securely adjust application behavior in production environments without needing to deploy code. It enhances the frequency of software releases, improves application resilience, and enables rapid response to emergent issues. Key Features Feature Flags: Allows gradual release of new capabilities to users and measures the impact of those changes before full deployment. Dynamic Configurations: Enables updates to block lists, allow lists, throttling limits, logging verbosity, and other operational tuning to quickly respond to [...]

AWS AppConfig2025-11-12T08:24:15+00:00

AWS Well-Architected Tool

2026-01-03T16:09:46+00:00

Bookmarks Key Components Using the Tool Best Practices  Benefits Reference AWS Well-Architected Tool Cheat Sheet The AWS Well-Architected Tool is a service that helps you review your workloads and compares them to the latest AWS architectural best practices. The tool provides recommendations for making your workloads more reliable, secure, efficient, and cost-effective. Key Components Workload is a term used to describe a collection of components that collectively contribute to business value. This could range from marketing websites, e-commerce platforms, and backend for mobile applications to analytic platforms. The complexity of a workload [...]

AWS Well-Architected Tool2026-01-03T16:09:46+00:00

AWS, Azure, and GCP Certifications are consistently among the top-paying IT certifications in the world, considering that most companies have now shifted to the cloud. Upskill and earn over $150,000 per year with an AWS, Azure, or GCP certification!

Follow us on LinkedIn, Facebook, or join our Slack study group. More importantly, answer as many practice exams as you can to help increase your chances of passing your certification exams on your first try!