John Ajera articles - 107 total
Block S3 Website with Terraform (Keep IP Access Ready)
Block S3 website access with Terraform while keeping IP allowlist ready for quick re-opening.
AWS Control Tower: Create Your First Landing Zone
Step-by-step guide to setting up your first AWS Control Tower landing zone — the foundation for a secure multi-account AWS environment.
Running an ECS Task Manually on EC2
Run ECS tasks on EC2 manually using AWS CLI for quick, ad-hoc jobs.
How to Use Gmail +Aliases to Create Extra Email Addresses
Step-by-step guide to creating Gmail +aliases so you can have multiple email addresses that all deliver to the same inbox.
Install PlatformIO Core (CLI) on Windows
Step-by-step guide to install PlatformIO Core (CLI) on Windows using Python and pip — perfect for developers who prefer terminal-based setup.
Install Python on Windows via CLI (winget)
Learn how to install Python 3.x on Windows using winget, including searching available versions and ensuring PATH updates after install.
Enable Bash-Style History Search and Suggestions in PowerShell
A simple step-by-step guide to enable Bash-like history search with Up/Down arrows and inline command suggestions in PowerShell.
Configuring AWS Vault with the Wincred Backend for Secure Credential Management on Windows
A guide on installing and configuring AWS Vault for secure management of AWS credentials on Windows systems.
Building an ESP32-C3 WiFi MQTT Client for IoT Data Streaming (DevKitM-1 / Rust-1)
Complete guide to building an ESP32-C3 MQTT client with real-time data streaming, externalized configuration, and cloud connectivity.
Configuring WiFi on ESP32-C3 DevKitM-1 / Rust-1
Complete guide to WiFi configuration on ESP32-C3 with externalized credentials, signal strength visualization, and auto-reconnection.
Getting RGB LED Working on ESP32-C3 DevKitM-1 / Rust-1
Guide to configure Arduino IDE and control the onboard WS2812 RGB LED on GPIO2 with Serial output.
Arduino IDE Configuration for ESP32-C3 DevKitM-1 / Rust-1
Quick reference for board settings and a working blink + Serial sketch using ESP32C3 Dev Module.
How to Enable SSH on Ubuntu
A step-by-step guide to installing, enabling, and securing SSH on Ubuntu for remote access.
What Is Kiro AWS?
Discover how the Kiro IDE simplifies cloud development with an agentic, chat-driven workflow tailored for AWS.
Getting Started with Kiro AWS on Windows
Step-by-step guide to download, install, and set up Kiro AWS, an agentic IDE built for working with AWS.
How to Create an Activation Key for Red Hat Developer Subscription
Learn how to create and use an activation key to register RHEL systems with your Red Hat Developer account.
How to Host Static Websites on Google Cloud Storage
Compare Direct GCS hosting and Load Balancer setups to find the best way to deploy static websites on Google Cloud.
How to Set Up a Billing Account in Google Cloud
Step-by-step guide for creating a billing account in GCP so you can unlock full resource access and enable free-tier usage.
Set Up Billing in GCP
Link an active billing account to your Google Cloud project to enable resource usage.
Best Practice: Set Up gcloud auth and Application Default Credentials (ADC)
Securely configure gcloud authentication using ADC for local development and Terraform workflows.
How to Enable Claude 3 Sonnet in Amazon Bedrock Console
Step-by-step guide to manually enable model access for Anthropic Claude 3 in AWS Bedrock, with screenshots and notes for personal use.
The Mystery of the Malformed S3 Authorization Header
How a simple bucket name reuse led to a frustrating hour of debugging in Terraform.
Building a DevContainer Feature for Amazon Q CLI (Inspired by a Kiwi Memory Game)
DevContainer feature for Amazon Q CLI to streamline setup. Inspired by a kiwi-themed memory game.
Building a Kiwi-Themed Memory Game with Amazon Q CLI
A Kiwi-themed memory game built with Amazon Q CLI - fully browser-based, offline-ready, and culturally inspired.
GitHub Actions to AWS OIDC Integration SetuP
Connect GitHub Actions to AWS securely using OIDC, no static credentials needed.
Getting Started with AWS SSO Using `aws configure sso`
Learn how to configure and use AWS SSO (IAM Identity Center) from your CLI using the `aws configure sso` command
AWS IAM Identity Center Setup Guide: Secure Console Access Without IAM Users
Step-by-step guide to configure AWS IAM Identity Center for secure, free console access without using IAM users or root account.
Fluent Bit for Amazon EKS on AWS Fargate
Clear steps to enable Fluent Bit logging on Amazon EKS with Fargate using native Kubernetes resources and CloudWatch.
How to Publish to the Terraform Registry (Modules, Providers, Functions)
End-to-end guide for publishing Terraform modules, providers, or functions to the public Terraform Registry using GitHub.
Enhancing Your GitHub Profile with a README
Learn how to create a powerful GitHub profile README that highlights your projects, tools, and automations. See how `jajera` uses it to showcase real-world cloud-native workflows.