Blogs

43 articles

AWS Lambda MicroVMs Part 2: Multi-Tenant Code Sandbox

Build a per-user Python code sandbox on AWS Lambda MicroVMs: lifecycle hooks, a session-manager Lambda, and a tested suspend/resume cycle.

29th October 2026

AWS Lambda MicroVMs: A Hands-On Guide from Zero to Running...

AWS Lambda MicroVMs launched June 2026. This hands-on guide walks through the complete setup: IAM roles, MicroVM image build, launching, auth tokens, …

24th June 2026

How I Got the AWS All Builders Welcome Grant for re:Invent 2025...

My first-hand story of winning the AWS All Builders Welcome Grant to attend re:Invent 2025 in Las Vegas, including how I applied, prepared, and what I …

12th May 2026

AWS Cloud Migration Plan for DevOps Engineers...

A practical AWS cloud migration plan for DevOps engineers, covering strategy, the migration phases, and best practices for scalable, resilient …

21st January 2026

Visualising AWS CloudWatch Logs using AWS Log Insights...

How to centralize, query, and visualise AWS CloudWatch Logs with CloudWatch Logs Insights, and how it compares to tools like the Elastic Stack, …

30th December 2025

How My DevOps Experience Led to Passing the AWS Certified DevOps Engineer Professional Certification in July 2025...

How 3.5 years of hands-on DevOps experience helped me pass the AWS Certified DevOps Engineer Professional exam, with the approach and resources that …

25th August 2025

Achieving Organizational Compliance with AWS Config Conformance Packs: Methodology, Implementation, and Lifecycle Management...

A deep dive into AWS Config Conformance Packs: methodology, implementation, and lifecycle management for enforcing organizational compliance across …

15th July 2025

Replacing EC2 Cron Jobs with Serverless AWS Lambda and EventBridge Using Terraform...

How to replace EC2-based cron jobs with serverless AWS Lambda and EventBridge scheduled rules, provisioned with Terraform, to cut operational …

14th June 2025

Centralized Log Management in AWS using AWS CloudTrail...

How to build centralized log management in AWS using AWS CloudTrail to capture, aggregate, and analyse account and API activity across your …

9th May 2025

Managing AWS Accounts with Control Tower Account Factory for Terraform (AFT)...

How to automate the creation and customization of AWS accounts using Control Tower Account Factory for Terraform (AFT) with a GitOps workflow.

17th April 2025

Building a Scalable Serverless Payment Processing System with AWS Lambda, SQS, and Step Functions...

How to build a scalable, reliable serverless payment processing system on AWS using Lambda, SQS, and Step Functions to handle millions of …

12th March 2025

Understanding AWS Resource Control Policies (RCPs): A Comprehensive Guide...

A comprehensive guide to AWS Resource Control Policies (RCPs) and how they give you centralized control over resource permissions across your AWS …

6th February 2025

Securing AWS Infrastructure: A Simple Walkthrough to Cloud Security...

A simple, practical walkthrough of securing AWS infrastructure, covering the core services and best practices for protecting your data and …

7th January 2025

Monitor AWS CloudWatch Logs and Send Alerts to PagerDuty with Terraform...

How to monitor AWS CloudWatch Logs and automatically send alerts to PagerDuty using Terraform-managed metric filters and alarms.

5th December 2024

Streamlining Alert Management: Connecting AWS CloudWatch to PagerDuty...

How to connect AWS CloudWatch to PagerDuty to streamline alert management and respond to critical infrastructure issues quickly and reliably.

13th November 2024

Best Practices for Using AWS Step Functions and Example Deployment with Terraform...

Best practices for building reliable, scalable workflows with AWS Step Functions, including an example deployment provisioned with Terraform.

12th October 2024

Why I Am Transitioning from DevOps to DevSecOps? Here's Why...

Why I am transitioning from DevOps to DevSecOps, and why integrating security into every stage of the software delivery lifecycle matters more than …

27th September 2024

AWS Tagging: Best Practices for Efficient AWS Resource Management...

Best practices for AWS resource tagging to improve cost allocation, governance, automation, and overall management of your cloud resources at scale.

22th September 2024

Monitoring and Alerting a Typical Web Application on AWS...

A practical guide to monitoring and alerting for a typical web application on AWS, covering the key metrics and tools you need to keep services …

7th August 2024

Awsume: An Efficient AWS Multi-Account Role Switching CLI Tool...

How to use Awsume, a CLI tool that simplifies switching between multiple AWS accounts and roles by managing credential retrieval, rotation, and active …

14th April 2024

No More AWS Keys in GitHub Secrets: Here's Why...

Why you should stop storing long-lived AWS keys in GitHub secrets and use GitHub OIDC federation instead for secure, keyless deployments from GitHub …

29th March 2024

Setting Up a Well-architected Automated AWS Landing Zone...

How to set up a well-architected, automated AWS Landing Zone using AWS Control Tower to build a secure, compliant multi-account environment from the …

27th December 2023

Mastering Nagios XI: Setting Up and Configuring the Monitoring Tool...

A hands-on guide to setting up and configuring Nagios XI to monitor your servers, services, and network devices.

17th October 2023

Seamless Showcase: Deploying my Portfolio on AWS Amplify...

How I built and deployed my Hugo portfolio site on AWS Amplify, from local development to a live, continuously deployed website.

17th September 2023

Mastering AWS VPC Limits...

A guide to understanding and working within AWS VPC limits and quotas so your network architecture scales smoothly without hitting unexpected walls.

12th August 2023

Getting Out of Tricky Terraform Situations

Common Terraform pitfalls and advanced techniques for getting out of tricky situations, so you can manage complex infrastructure-as-code with …

January 2025

Never Lose a File Again: Automated Backup of Files from Windows Machine to S3 Bucket...

A step-by-step guide to automatically backing up files from a Windows machine to Amazon S3 using AWS tools like the S3 Transfer Utility, AWS Backup, …

27th July 2023

Optimizing Read Throughput in Serverless ToDo List App: Harnessing DAX and API Gateway Caching...

How to optimize read throughput in a serverless ToDo app by combining DynamoDB Accelerator (DAX) with API Gateway caching.

24th June 2023

Understanding and Resolving Control Tower Drift

Understand what causes AWS Control Tower drift, why it undermines governance and compliance, and how to detect and resolve it to restore your …

January 2025

Monitor Your Serverless Application with AWS CloudWatch

How to monitor serverless applications with AWS CloudWatch, tracking performance across Lambda, API Gateway, and more to troubleshoot issues and …

January 2025

$Optimize Your Cloud Infrastructure Costs with Infracost...$

Optimize Your Cloud Infrastructure Costs with Infracost...

How to estimate and optimize your cloud infrastructure costs with Infracost, giving you visibility into spend and cost-saving opportunities before you …

10th May 2023

AWS Managed Services (AMS) Incident Management: A Systematic Approach

A systematic walkthrough of the AWS Managed Services (AMS) incident management process, from detection and escalation to resolution, for keeping AWS …

January 2025

List of my blogs on other platforms...

A curated list of my articles published on other platforms like Medium, gathered in one place to showcase my writing on AWS, DevOps, and the cloud.

21st April, 2023

Pneumonia Detection System based on Chest X-rays using inception V3 algorithm...

A deep learning project that detects pneumonia from chest X-ray images using the Inception V3 convolutional neural network.

15th April 2022

Securing AWS Lambda Functions: Best Practices for Preventing Unauthorized Access

Best practices for securing AWS Lambda functions and preventing unauthorized access, from least-privilege IAM to protecting sensitive data in …

January 2025

Monitor VPC Interface Endpoints with CloudWatch

How to monitor AWS PrivateLink VPC interface endpoints with CloudWatch to keep these private-connectivity components performant and available.

January 2025

Monitor VPC NAT Gateways Using CloudWatch Metrics and Alarms

How to monitor VPC NAT Gateways using CloudWatch metrics and alarms for better performance, cost efficiency, and early detection of issues.

January 2025

Protecting AWS Organization with Service Control Policies (SCPs)

How to protect your AWS Organization with Service Control Policies (SCPs) for centralized, account-wide permission guardrails that strengthen security …

January 2025

Building a Scalable E-commerce Architecture on AWS

How to design a scalable e-commerce architecture on AWS that stays reliable and performant even during heavy, unpredictable traffic spikes.

9th February 2025

From Build to Management: The Perfect Trio (Packer, Ansible, Terraform)

Lessons learned combining Packer, Ansible, and Terraform into one workflow to build, configure, and manage infrastructure the DevOps way.

29th March 2023

Setting Up a Dynamic Inventory using the aws_ec2 plugin

How to set up a dynamic inventory for Ansible on AWS using the aws_ec2 plugin, so you never have to manually maintain inventory files for autoscaling …

14th February 2023

Ansible Galaxy: Automating Cloud Infrastructure Configuration on AWS

How Ansible Galaxy helps automate cloud infrastructure configuration on AWS with reusable, standardized, community-driven content for consistency and …

2nd February 2023

AWS Site-to-Site VPN: How to Connect Your On-Premises Network to the Cloud

A step-by-step guide to configuring an AWS Site-to-Site VPN to securely connect your on-premises network to your AWS VPC.

30th January 2023