Notes from the work, not a content calendar.

macgroom-cli: A Free, Open-Source Terminal Tool for Dev Cache Cleanup

Same three categories that are free in the MacGroom app, from the terminal: local AI model caches, dev tool caches, and recursive project artifacts. Open source, MIT-licensed, zero telemetry, Trash not rm.

Irish Income Tax Calculator 2026

Free Irish income tax calculator for 2026. Calculate Income Tax, USC, and PRSI with a full band breakdown and annual, monthly, weekly, and daily take-home figures.

Salary Comparison Calculator Ireland

Compare two Irish salary scenarios side by side — different income, category, or PRSI period — with full Income Tax, USC, and PRSI breakdowns for each.

Salary Raise Tax Calculator Ireland

See exactly how much of a payrise you keep in Ireland after Income Tax, USC, and PRSI, comparing take-home before and after side by side.

Bonus & RSU Tax Calculator Ireland

Calculate the Income Tax, USC, and PRSI on a bonus or RSU vesting in Ireland, and see the net amount you actually receive at your marginal rate.

Budget 2027 Calculator Ireland

Budget 2027 lands Tuesday 6 October 2026. Enter your salary and try the tax changes being floated to see what they'd be worth to you — updated live once the Budget is confirmed.

2025 vs 2026 Irish Tax Calculator

Compare your Irish take-home pay under 2025 and 2026 tax bands side by side to see exactly how the Budget changed your net income.

Take-Home Goal Calculator Ireland

Enter the take-home pay you need in Ireland, and find the gross salary required to hit it after Income Tax, USC, and PRSI.

Contractor Day Rate Calculator Ireland

Calculate net take-home for an Irish day-rate contractor after Income Tax, USC, and self-employed PRSI, with expenses and pension contribution options.

Contracting vs PAYE Calculator Ireland

Compare day-rate contracting against a PAYE salaried role in Ireland, including the employer-funded benefits a contractor has to self-fund.

My Future Fund Calculator 2026

Calculate what My Future Fund, Ireland's new auto-enrolment pension, takes from your pay and what lands in your pot — employee, employer and State top-up, projected to retirement.

Unclaimed Tax Credits Ireland 2026

Check what Irish tax credits and reliefs you might be missing — rent credit, remote working relief, medical expenses, flat-rate expenses — and how far back you can claim.

Benefit in Kind Calculator Ireland 2026

Calculate Irish Benefit in Kind tax for 2026 — company car by CO2 category and business mileage, company van, and employer-paid health insurance — at your real marginal rate.

ETF vs Shares vs Pension Calculator Ireland 2026

See the same investment taxed three different ways in Ireland — 38% ETF exit tax with 8-year deemed disposal, 33% CGT on shares, or tax-free growth in a pension.

Deemed Disposal Calculator Ireland 2026

Calculate the exit tax due on an Irish ETF or fund holding at each 8-year deemed disposal, and the real long-term cost to your compounding.

Capital Gains Tax Calculator Ireland 2026

Calculate Irish Capital Gains Tax across multiple disposals in a tax year — shares, cryptocurrency, and property — netting gains against losses before the €1,270 exemption.

DIRT Calculator Ireland 2026

Compare a bank or credit union deposit after 33% DIRT against DIRT-free State Savings from An Post, over any time horizon.

Inheritance & Gift Tax Calculator Ireland 2026 (CAT)

Calculate Irish Capital Acquisitions Tax on a gift or inheritance — Group A/B/C thresholds, 33% rate, small gift exemption, agricultural and business relief.

Home Buying Costs Calculator Ireland 2026

VRT Calculator Ireland 2026

Estimate Irish Vehicle Registration Tax for importing a car — the full 20-band CO2 table, the NOx emissions levy, and BEV relief, in one calculator.

Childcare Subsidy Calculator Ireland 2026

Rent vs Buy Calculator Ireland 2026

Compare renting and investing the difference against buying a home in Ireland, including stamp duty, mortgage amortisation, ongoing costs and the Rent Tax Credit, projected out to…

Mortgage Overpayment Calculator Ireland

See exactly how much interest and how many months a recurring or lump-sum mortgage overpayment saves, month by month, against your original repayment schedule.

Mortgage Break Fee Calculator Ireland

Estimate the Early Repayment Charge for breaking a fixed-rate mortgage in Ireland, and whether switching to today's rate actually saves more than the fee costs.

Net Worth Calculator Ireland

A free, no-signup net worth calculator — add up your cash, investments, pension and property, subtract your mortgage and other debts, and see the number and the mix behind it.

ARF Drawdown Calculator Ireland

Retirement Income Calculator Ireland

Work out the real Income Tax, USC and PRSI on a private or occupational pension alongside the State Pension — including the over-65 exemption, marginal relief and the over-70…

Public Sector Pension Calculator Ireland — Single Scheme & AVCs

Free Single Public Service Pension Scheme calculator for Irish civil and public servants — project your Defined Benefit pension and lump sum, and see your real AVC tax-relief headroom after your mandatory contribution.

Inside the GenOps AWS Cost Audit: What $50 Actually Buys You

A read-only scan across 12 resource analysers and 54 automated tests, a PDF report with real dollar estimates, and a 30-minute walkthrough — here's exactly what the AWS cost audit includes and how the pricing works.

Inside the GenOps Cloud Security Audit: Prowler, CIS, and a Human Read

Prowler for account checks, Trivy for containers, Checkov and Snyk for IaC — the same open-source scanners security teams run, plus a human reading every finding in context. Here's exactly what the security audit includes.

How GenOps Cloud Consulting Engagements Actually Work

Assessment, implementation, managed operations, or enablement — four engagement models, one person doing the actual work. Here's how a GenOps cloud consulting engagement is structured, and where the two live audit services fit in.

MacGroom: The Mac Cleanup Tool That Shows Its Work

Free forever, or $24 once for Deep Scan, Dev Project Artifacts, and Storage Trend. Nothing is selected or deleted until you review it yourself. Here's what MacGroom actually finds, and why scanning and deleting are always separate steps.

What a read-only AWS cost audit actually finds in week one

Idle NAT gateways, orphaned EBS volumes, and Reserved Instances nobody's tracking — the pattern shows up almost every time, before any architecture changes.

I Got Tired of Grepping Runbooks, So I Built a Tool That Cites Its Sources

It’s 2:47 AM. PagerDuty just went off. Something called PolicyConstraintSyncFailed is firing, and the only thing you know for certain is that you wrote a…

Cursor: How to Optimize Your AI Coding Workflow for Consumption Pricing

If you log into Cursor soon, you are going to notice a massive shift under the hood. The days of a flat, predictable “x requests per month” are officially…

The Ultimate Guide to Model Context Protocol (MCP): Architecture, Examples, Cursor Setup, and…

The AI landscape shifted dramatically with the introduction of the Model Context Protocol (MCP), open-sourced by Anthropic. For a long time, Large Language…

Free Network Troubleshooting Tool That Runs Entirely in Your Browser

I’ve been in networking and DevOps long enough to know one thing:

Running Ollama Locally: How to Run Powerful LLMs on Your Laptop (No Subscription)

Run ChatGPT-level AI locally using Ollama. No subscriptions, no data leaks, no internet required.

Mastering Claude Code: From Beginner Basics to Advanced Agentic Workflows

In the fast-evolving world of AI-assisted coding, Anthropic’s Claude Code stands out for one simple reason: it lives in your terminal and behaves like a real…

Building an AI-Powered Document Processing Pipeline with AWS ECS and Amazon Bedrock

In today’s data-driven world, processing and extracting insights from documents at scale is a common challenge. Whether you’re dealing with legal contracts,…

DevOps learnings from The Phoenix and Unicorn Project

Ever feel like your AI/ML projects are a mythical beast — part unicorn dream, part phoenix inferno? With AI popping up everywhere faster than viral cat videos,…

Building an End-to-End MLOps Pipeline on AWS SageMaker

If you’re into machine learning and cloud stuff like me, you’ve probably spent many hours:

Exploring Cursor CLI: The AI-Powered Terminal Tool That’s Changing How We Code

Hey everyone — if you’re someone who spent way too many hours glued to the terminal, you know how clunky it can feel to switch contexts just to get some AI…

Advanced Tips and Tricks for Cursor IDE

Hey folks, I’ve been using tools like Terraform, Python, Bash, Kubernetes, and Jenkins for years, and lately, Cursor IDE has become my go-to for boosting…

AI-Powered IDEs: Cursor vs Windsurf vs Kiro

As a developer, I can tell you: AI-powered IDEs are a godsend.

Simplifying Kubernetes with ArgoCD: Your Go-To GitOps Solution

Managing Kubernetes deployments across multiple environments can feel like herding cats. That’s where ArgoCD, a fantastic GitOps tool, comes in, making life…

Building an AI-Powered Document Processing System with MCP, ECS, and S3

How I built a serverless architecture that lets AI models intelligently fetch and summarize documents from S3 using the Model Context Protocol

Managing AWS Infrastructure with Crossplane: A Kubernetes-Native Alternative to Terraform

For years, I’ve used Terraform to manage cloud infrastructure. It’s powerful and battle-tested — but I always felt there was a gap. That awkward moment when…

Building Large Language Models (LLMs) in Machine Learning

Large Language Models (LLMs) have revolutionized natural language processing (NLP), enabling advanced capabilities such as text generation, summarization, code…

Building and Deploying Large Language Models (LLMs): A Real-World Implementation

Large Language Models (LLMs) like GPT, LLaMA, and Falcon have revolutionized AI-powered applications, enabling chatbots, content generation, and more. This…

Deploying a Text Generation AI App with AWS EKS, ECR, GitOps, Kubernetes, Docker, and Terraform

This guide walks through a real-world implementation of a text generation AI application powered by a Generative AI API (e.g., OpenAI, AWS Bedrock, or Hugging…

Azure DevOps CI/CD pipeline with Terraform

To create a comprehensive Azure DevOps CI/CD pipeline with Terraform, we’ll implement an end-to-end workflow for a sample e-commerce application using advanced…

Implementing and Managing CrossPlane Automation for Cloud-Native Applications

As cloud-native applications continue to evolve, managing multi-cloud and hybrid environments efficiently becomes critical. CrossPlane is an open-source…

Optimizing and Troubleshooting Kubernetes Deployments and Cluster Operations

Kubernetes is a powerful container orchestration platform, but managing and troubleshooting deployments can be challenging. This guide provides a deep dive…

Cloud Security Engineer Job Responsibilities: A Comprehensive Guide

With the rise of cloud computing, security has become a top concern for organizations. Cloud Security Engineers play a vital role in safeguarding cloud…

Immutable Infrastructure with Blue-Green Deployments using Terraform

In modern DevOps practices, Immutable Infrastructure ensures that deployed instances remain unchanged after deployment, reducing configuration drift and…

Mastering MySQL: Basics, Advanced Commands, and Best Practices

MySQL is one of the most widely used relational database management systems (RDBMS) in the world. Whether you’re a beginner or an experienced database…

Automated SSL Certificate Rotation Using Certbot on Ubuntu

SSL certificates are crucial for encrypting web traffic and ensuring secure communication between clients and servers. However, SSL certificates expire…

Comprehensive Guide to Databases in AWS: Types, Commands, and Best Practices

Amazon Web Services (AWS) offers a wide range of database solutions catering to different workloads, from traditional relational databases to NoSQL and…

Open Policy Agent (OPA) — A Comprehensive Guide for Cloud and Kubernetes Security

Security, compliance, and policy enforcement are crucial aspects of managing cloud and containerized environments. Open Policy Agent (OPA) is a policy-as-code…

Generative AI for DevOps & Cloud Engineers: Future Career & Skills Roadmap

Generative AI is reshaping industries, and DevOps/Cloud Engineers are no exception. The fusion of AI with cloud operations, automation, and infrastructure…

Kubernetes Management: A Comprehensive Guide with Real-World Examples

Managing a Kubernetes environment requires expertise in handling Pods, Clusters, Services, Monitoring, Namespaces, Deployments, Configurations, and Secrets.…

Kubernetes Pods Failing: Advanced Troubleshooting with Real-World Scenarios

Kubernetes (K8s) is a powerful container orchestration tool, but even experienced DevOps engineers encounter failing pods. Understanding the root causes and…

Deploying a Sample App with AWS EKS, Terraform, ArgoCD, GitLab, Kubernetes, Docker & ECR

In modern DevOps workflows, Infrastructure as Code (IaC) and GitOps practices streamline software delivery. AWS EKS (Elastic Kubernetes Service) provides a…

Deploying a Sample App with AWS EKS, Terraform, Kubernetes, Docker & ECR

In modern DevOps workflows, Infrastructure as Code (IaC) and CI/CD pipelines play a crucial role in ensuring scalable, repeatable, and automated deployments.…

Setting Up AWS SageMaker: Studio, Notebooks, Deploying Apps & Training Models

AWS SageMaker is a fully managed service that allows developers and data scientists to build, train, and deploy machine learning (ML) models at scale. With…

AWS CDK: The Future of Infrastructure as Code

AWS Cloud Development Kit (CDK) is revolutionizing how developers define cloud infrastructure. Unlike traditional tools like Terraform or AWS CloudFormation,…

Azure DevOps: The Ultimate Guide

In today’s fast-paced software development landscape, Azure DevOps has become a go-to platform for managing CI/CD, infrastructure automation, and agile…

Mastering HTTP Proxy Servers: Apache vs. Nginx

In modern web architectures, HTTP proxy servers play a crucial role in load balancing, caching, security, and request routing. Two of the most widely used…

Argo CD: The Ultimate GitOps Continuous Deployment Tool

In the modern DevOps landscape, GitOps has emerged as a revolutionary approach to continuous delivery. Argo CD is a powerful tool designed to manage Kubernetes…

Automate Operational Tasks Using Azure Automation & Optimize Azure DevOps Pipelines

In today’s cloud-driven world, automating operational tasks and optimizing CI/CD pipelines is crucial for efficient DevOps practices. Microsoft Azure provides…

Flux CD: A GitOps Continuous Deployment Tool for Kubernetes

In the cloud-native era, GitOps has become the de facto standard for managing Kubernetes deployments. Flux CD is a powerful tool that automates deployments…

Advanced Docker: A Deep Dive with Real-World Examples

Docker has revolutionized the way we develop, package, and deploy applications. While basic Docker usage covers building and running containers, advanced…

Advanced Docker Commands: Mastering Containers Like a Pro

Docker is an essential tool for modern DevOps, enabling seamless containerization of applications. While basic Docker commands are widely used, mastering…

Docker Containers: A Complete Guide

Docker has revolutionized the way we develop, deploy, and manage applications by providing a lightweight, portable, and efficient containerization platform.…

Architecting and Scaling Jenkins Pipelines for Hundreds of Applications

Jenkins is a powerful automation server that enables CI/CD for applications. However, when scaling Jenkins to support hundreds of applications, maintaining…

ELK Stack: A Complete Guide with Real-World Use Cases

Modern applications generate vast amounts of logs, making log aggregation, analysis, and visualization critical for operational efficiency and security. The…

Mastering Observability: Prometheus, Grafana, Loki, OpenTelemetry, and AWS CloudWatch

Observability is a key aspect of modern cloud-native applications. It helps organizations monitor performance, detect anomalies, and troubleshoot effectively.…

CI/CD Pipelines with 3rd Party Integrations (SonarQube, Container Registry, Artifactory Registry)

Modern DevOps practices require seamless integration of CI/CD pipelines with third-party tools like SonarQube (for code quality), container registries (for…

DORA Metrics: Measuring DevOps Performance

DORA (DevOps Research and Assessment) metrics provide a data-driven approach to measuring software delivery and operational performance. They are widely used…

Kubernetes Common Errors & How to Fix Them

Kubernetes is a powerful but complex system, and errors are inevitable. Whether you’re dealing with misconfigured YAML, networking issues, or Pod failures,…

Chaos Engineering: Breaking Things to Build Resilience

Chaos Engineering is the practice of deliberately introducing failures in a system to test its resilience and recovery mechanisms. Companies like Netflix,…

Observability in Kubernetes: Installing, Configuring, and Using Prometheus & Grafana

Observability is a key aspect of modern infrastructure. Prometheus and Grafana are widely used for monitoring and visualization in Kubernetes environments.…

Proactive Resilience: Preventing Failures Before They Happen

In the world of cloud computing and distributed systems, resilience is critical. While Chaos Engineering helps test failure scenarios, Proactive Resilience…

Amazon DevOps Guru: A Deep Dive with Real-World Examples

Amazon DevOps Guru is an AI-powered operations service that helps identify and fix issues in applications running on AWS. It continuously monitors…

Cloud Engineer vs. DevOps vs. SRE vs. DevSecOps vs. MLOps: Understanding the Roles

In the evolving tech landscape, roles such as Cloud Engineer, DevOps, Site Reliability Engineer (SRE), DevSecOps, and MLOps have gained prominence. While they…

Mastering K9s: The Ultimate Kubernetes CLI Tool for Efficiency

Managing Kubernetes clusters via the command line can be complex and time-consuming. K9s is an open-source, terminal-based UI that simplifies the Kubernetes…

Mastering Ansible: Advanced Techniques and Best Practices

Ansible has become an indispensable tool for DevOps professionals, enabling efficient automation of complex infrastructure tasks. In this comprehensive guide,…

Mastering Kubernetes Package Management with Helm: A Comprehensive Guide

Kubernetes simplifies container orchestration, but managing applications at scale can be challenging. Helm, the package manager for Kubernetes, helps…

Setting Up Kubernetes with kubeadm: A Complete Guide

kubeadm is a powerful tool that simplifies Kubernetes cluster setup. It is ideal for production-grade clusters as well as local testing.

Ansible: A Comprehensive Guide

Ansible is a powerful automation tool that simplifies complex tasks, from configuration management to application deployment. Its agentless architecture makes…

Mastering Kubernetes with Kind: Local Cluster Setup & Advanced Commands

Kubernetes is the go-to platform for container orchestration, but setting up a full-fledged cluster can be complex. Kind (Kubernetes in Docker) simplifies this…

Helm in Kubernetes: A Complete Guide

Helm is the package manager for Kubernetes, making it easier to define, install, and manage Kubernetes applications. It allows you to bundle applications into…

Mastering Advanced Terraform Commands: Variables, tfvars, and Data Sources with AWS Examples

Terraform is a powerful Infrastructure as Code (IaC) tool that enables automation and scalability. However, mastering advanced Terraform commands and…

Mastering Advanced kubectl Commands: Efficient Kubernetes Management

Kubernetes is a powerful orchestration platform, and kubectl is its command-line interface (CLI). Mastering kubectl commands enables efficient troubleshooting,…

Mastering Minikube: A Complete Guide with Practical Examples

Minikube is a lightweight Kubernetes implementation that lets you run a cluster locally for development and testing. It is an excellent tool for learning…

Kubernetes for Beginners: Setting Up a Local Environment and Deploying on AWS

Kubernetes (K8s) is the industry-standard container orchestration platform, widely used for managing containerized applications at scale. If you’re new to…

Mastering Terraform: Installation, Configuration, Advanced Commands & Workspaces

Terraform is a powerful tool for Infrastructure as Code (IaC) that allows you to build, change, and version your infrastructure safely and efficiently. In this…

Mastering Terragrunt: Advanced Terraform Management

Terragrunt is a powerful tool that simplifies and enhances Terraform usage by providing better code reusability, DRY (Don’t Repeat Yourself) configurations,…