Struggling to find where to place custom facts for Puppet’s Facter? Standard debugging commands coming up empty? Learn how to use the powerful strace command to trace system calls and discover exactly which directories Facter checks for custom facts. This step-by-step guide shows you how to diagnose configuration issues, create the proper Facter config file, and successfully deploy custom facts to your Puppet agent nodes.
Category: Cloud Computing & DevOps
AWS, Azure, Google Cloud
Docker & Kubernetes
Infrastructure as Code (Terraform, Ansible)
Serverless Computing
Understanding Pods, Networks, and Service Architecture with Podman
When building a modern container environment using Podman, one of the most confusing topics for many engineers is deciding when to use pods, when to use networks, and how to structure services that talk to each other. After all, microservices often depend on one another — APIs talk to APIs, backend apps talk to databases, dashboards talk to internal services — and it’s not immediately clear what should go where.
Mastering Remote Access: How to Use SSH ProxyJump to Simplify Multi-Hop Connections
The Problem You’re Solving If you’ve ever needed to access a remote server that’s hidden behind another server—like a database on a private network, a development environment, or a production server not directly exposed to the internet—you’ve faced the multi-hop SSH challenge. In a typical scenario: Visualizing the Connection Flow Why ProxyJump Beats Manual SSH…
Your Complete Guide to Setting Up an Ansible Automation Environment
Are you tired of manually configuring servers one by one? Welcome to the world of Ansible, where infrastructure automation becomes simple, repeatable, and scalable. In this guide, I’ll walk you through setting up your first Ansible environment from scratch. Understanding Ansible Components Before diving into configuration, let’s understand the four key pillars of Ansible: YAML:…
Troubleshooting Podman Pod Port Publishing: Why Jenkins Wasn’t Accessible from Host IP
Learn how to diagnose and fix Podman pod networking issues when containers are accessible on internal IPs but not from the host. A complete troubleshooting guide with real-world Jenkins deployment examples.
A Practical Guide to AWX: From Setup to Automation
Introduction to AWX AWX is the open source upstream project for Red Hat Ansible Automation Platform, providing a web-based interface, REST API, and task engine for Ansible. It helps teams manage automation at scale with role-based access control, scheduling, and workflow orchestration. 0. AWX Structure Overview 1. Creating an Organization Organizations are the highest level…