Managing infrastructure as code (IaC) is preferred for reproducibility. Below are the two primary methods to implement peering using AWS CDK in TypeScript. Method 1: The High-Level Construct (Recommended) This method is concise and uses CDK’s abstraction to handle the heavy lifting. Method 2: The Low-Level CfnVPCPeeringConnection Use this if...
Key Takeaways What Is the docker Command and How Does It Work Internally? The docker command is a CLI client that talks to dockerd through a REST API over a Unix socket (/var/run/docker.sock) or TCP. It sends high-level instructions (create, pull, run) that get translated into low-level container lifecycle operations...
Introduction to Advanced Git Features Git is far more than just a version control system—it’s the backbone of modern software collaboration. Whether you’re managing microservices, automating CI/CD pipelines, or contributing to open source, mastering advanced Git features transforms you from a casual user into a DevOps powerhouse. This guide dives...
Key Takeaways Introduction: Supercharge Your AD Management Active Directory is the core of identity and access management in most Windows based enterprise networks. While the graphical user interface (GUI) is familiar, it can be slow and inefficient for repetitive or bulk tasks. This is where PowerShell one-liners come in. By...
In our extensive testing across dev-ops environments, we’ve found that a “default” Docker installation often leaves significant performance and security gaps on Ubuntu systems. Whether you are running Ubuntu 22.04 LTS, 24.04 LTS, or the latest 24.10 release, simply running apt install is no longer sufficient for modern production standards....
Key Takeaways (TL;DR) A centralized observability dashboard enables you to gain deep insights, troubleshoot issues faster, and manage system stability. This article provides a complete walkthrough for setting up a comprehensive monitoring dashboard with: What Are the Three Pillars of Observability? The three pillars of observability are metrics, logs, and...
Key Takeaways (TL;DR) Why Should You Secure Your Grafana Dashboard with HTTPS? Grafana is a powerful tool for data visualization. However, if you run it over a standard HTTP connection, your login credentials, API keys, and visualized data are sent in plain text. This exposes your sensitive information to...
This guide provides a step-by-step procedure for protecting SSH access on a modern Linux server with SecurID multi-factor authentication (MFA). A lot has changed since I wrote the original article in 2019. Getting Started with RSA SecurID Before you can protect a server, you need to have an RSA SecurID...
What is Windows Nano Server? Windows Nano Server is a deeply refactored, headless installation option for Windows Server 2016. Designed for cloud-native applications, it runs with a minimal footprint, consuming significantly less disk space and memory than Server Core. However, it is crucial to understand that Microsoft has deprecated Nano...
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