Eunice Explains

DevOps & Cloud Engineer exploring cloud infrastructure, security, payment systems, and distributed architecture. I share practical engineering lessons and explain the technology behind everyday system

Lagos state Joined on Aug 17, 2022 https://eunice-js-portfolio.netlify.app/

Education

B.sc Computer science

Pronouns

she

Work

DevOps Engineer

Eunice Explains

Sep 12

How Representment Works: What Happens When a Merchant Challenges a Chargeback

#payments #fintech #architecture #beginners

5 min read

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Eunice Explains

Aug 29

How Chargebacks Work: Understanding the Card Payment Dispute Flow

#fintech #payments #architecture #beginners

5 min read

Eunice Explains

Jul 11

Authorization Explained: What Really Happens Before Your Card Payment Is Approved?

#devops #cloudcomputing #programming #tutorial

4 min read

Eunice Explains

Jun 13

What Really Happens When You Pay With Your ATM Card?

#cloudcomputing #tutorial #computerscience #development

3 min read

Eunice Explains

Apr 6

Why Good Autoscaling Starts With Understanding the Workload

#devops #infrastructure #tutorial #kubernetes

3 min read

Eunice Explains

Mar 29

The Terraform Mistakes Survival Guide: How I Migrated a Monolith State Without Destroying a Single Resource

#terraform #devops #infrastructure #tutorial

5 min read

Eunice Explains

Jan 20

The Google Cloud CLI Installation Saga: How I Conquered Python Path Hell on macOS

#python #google #cli #mac

4 min read

Eunice Explains

Sep 18 '25

A Complete Guide to Setting Up and Troubleshooting AWS MSK Connect in Private Subnets

#datascience #aws #kafka #networking

5 min read

Eunice Explains

Aug 5 '25

Implementing Secure Breakglass Access for ArgoCD with Vault, External Secrets, and Terraform

#argocd #security #terraform #eso

3 min read

Eunice Explains

Apr 30 '25

Comprehensive Guide to AWS Monitoring, Scaling, and Traffic Management

#aws #monitoring #management #kubernetes

3 min read

Eunice Explains

Apr 25 '25

Implementing Robust AWS Security: IAM Best Practices and Encryption Strategies

#iam #aws #encryption #security

3 min read

Eunice Explains

Apr 24 '25

AWS Database Services: The Complete Guide to Cloud Data Management

#management #database #cloud #aws

3 min read

Eunice Explains

Apr 23 '25

Scaling Your AWS Network with Transit Gateway, VPC Peering, and Hybrid Connectivity

#security #vpc #aws #peering

3 min read

Eunice Explains

Apr 22 '25

Mastering Amazon VPC: Gateways, Endpoints, and Monitoring Tools

#vpc #monitoring #aws

3 min read

Eunice Explains

Apr 20 '25

AWS Compute Services: The Complete Guide to EC2 and Beyond

#ec2 #aws

3 min read

Eunice Explains

Apr 18 '25

Amazon S3: The Ultimate Cloud Storage Powerhouse

#s3 #aws #cloud

3 min read

Eunice Explains

Apr 18 '25

Understanding AWS Shared Responsibility and Security Principles

#aws #cloud #security

5 min read

Eunice Explains

Apr 17 '25

AWS Compute Services: The Complete Guide to EC2 and Beyond

#ec2 #aws

3 min read

Eunice Explains

Apr 17 '25

AWS Compute Services: The Complete Guide to EC2 and Beyond

#ec2 #aws

3 min read

Eunice Explains

Apr 17 '25

AWS Shared Responsibility Model and Security Principles

#aws #security #devops

3 min read

Eunice Explains

Dec 25 '24

Module 10: Automatic Scaling and Monitoring in AWS

#aws #cloud #cloudpractitioner #monitoring

3 min read

Eunice Explains

Dec 24 '24

Module 9: Comprehensive Guide to AWS Well-Architected Framework and Cost Optimization

#aws #cloud #cloudpractitioner #performance

4 min read

Eunice Explains

Dec 23 '24

Module 8: A Comprehensive Guide to Amazon Relational Database Service (RDS)

#aws #cloudcomputing #cloud #cloudpractitioner

4 min read

Eunice Explains

Dec 22 '24

Module 7: Cloud Storage Overview

#aws #cloud #cloudcomputing #cloudpractitioner

3 min read

Eunice Explains

Dec 16 '24

MODULE 3: AWS GLOBAL INFRASTRUCTURE

4 min read

Eunice Explains

Dec 16 '24

Module 4 AWS Cloud Security: A Comprehensive Overview

#security #aws #cloud #cloudpractitioner

3 min read

Eunice Explains

Dec 16 '24

Module 5: Networking and Content Delivery

#aws #cloud #networking #cloudpractitioner

3 min read

Eunice Explains

Dec 16 '24

Exploring AWS Compute Services and Key Concepts in Module 6

#aws #cloud #cloudcomputing #cloudpractitioner

4 min read

Eunice Explains

Dec 3 '24

Understanding Cloud Economics and Billing with AWS

#aws #cloud #cloudcomputing #devops

5 min read

Eunice Explains

Dec 3 '24

Comprehensive Overview of Cloud Computing Concepts and AWS Services

#aws #cloudcomputing #devops #cloud

6 min read

Eunice Explains

Aug 24 '24

DevOps vs Traditional: A Comprehensive Comparison of Software Development Approaches

#softwaredevelopment #devops #agile #software

3 min read

Eunice Explains

Jul 12 '24

Streamline Your Next.js Deployment to DigitalOcean: A Hassle-Free Guide with GitHub Actions

#nextjs #githubactions #devops #github

4 min read

Eunice Explains

Jun 29 '24

A Comprehensive Guide to CODEOWNERS in GitHub

#github #devops #webdev #softwaredevelopment

4 min read

Eunice Explains

Mar 24 '24

Demystifying Text and Numbers: Strings, Numeric Data Types, and Regular Expressions in Python

#python #datatype #devops

3 min read

Eunice Explains

Mar 18 '24

Why Python Reigns Supreme: A Guide to Python for DevOps

#devops #python #shell #automation

3 min read

Eunice Explains

Aug 5 '23

API 101: Understanding the Basics of Making Requests and Handling Responses

#postmanstudent #postmanapi #api #softwaredevelopment

2 min read

Eunice Explains

Jul 22 '23

Streamlining Software Development: Integrating Jenkins and GitHub for Automated Builds

#jenkins #devops #cicd #softwaredevelopment

3 min read

Eunice Explains

Jul 10 '23

Setting up an Online Jenkins Instance with Ngrok

#beginners #devops #jenkins #webdev

3 min read

Eunice Explains

Jun 14 '23

Introducing Jobify: Bridging the Gap between Job Seekers and Opportunities

#webdev #javascript #react #programming

5 min read

Eunice Explains

Mar 23 '23

Hosting Your Own Web Application: A Beginner's Guide with Nginx

4 min read

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