Managing Variables and Environment in Bash for DevOps
Why environment variables matter in Bash In the previous article we split logic into functions so scripts are easier to reuse. Once a script starts …
DevOps
Bash
NEWS
RSS
Functions in Bash: Reuse Code Effectively for DevOps
Bash Functions for DevOps In the previous article we used grep, awk, and sed to process logs and configuration files. As scripts grow longer, a new …
DevOps
Bash
File Handling in Bash: Read, Write, and Manage Files Safely for DevOps
File Handling in Bash for DevOps In the previous article we used loops to process multiple servers, many log lines, and retry commands that may fail …
DevOps
Bash
Text Processing in Bash: grep, awk, and sed for DevOps
Text Processing in Bash for DevOps In the previous article we handled files: reading, writing, redirection, tee, find, and xargs. But text files …
DevOps
Bash
Loops in Bash: for, while, and until for DevOps Automation
Bash Loops for DevOps In the previous article we used conditionals so scripts could branch based on system state. In DevOps work, many tasks do not …
DevOps
Bash
Bash Conditionals: if, case, and DevOps Logic Handling
Bash Conditionals for DevOps In the first article we wrote linear scripts — commands that run from top to bottom. In real operations, scripts often …
DevOps
Bash
Bash Script Basics for DevOps
Bash Script Basics for DevOps In DevOps work, many daily tasks are repetitive: checking disk usage, verifying whether a service is still running, …
DevOps
Bash
Install Docker with a Bash Script – One Command Setup
Why Use a Bash Script to Install Docker? Installing Docker manually works fine for a single server, but when you need to set up multiple machines or …
Installation Guides
Docker Build Cache & Layering
Docker Build Cache & Layering Have you ever wondered why the first build takes 5–10 minutes, but the second build finishes in just a few seconds? …
Docker
Deploying Node.js with Docker + Nginx
Deploying Node.js with Docker + Nginx — Case Study You’ve finished writing your API with Node.js, and it works perfectly on localhost. But when …
Docker
Docker Compose for Beginners (v2) — Hands-on Practice
Docker Compose v2 - Multi-container Management Tool Docker Compose is a tool that helps you define and run multiple containers simultaneously through …
Docker