ATAditya Tiwaryin100sdaysofdevops.hashnode.dev·Jul 29, 2025 · 2 min readDay 7-13 Optimization of Docker ImageOptimizing a Dockerfile is crucial for improving build speed, image size, and container performance. Here’s a breakdown of various steps to optimize your Dockerfile: 🧱 1. Use Multi-Stage Builds Purpose: Reduce final image size by separating build a...00
ATAditya Tiwaryin100sdaysofdevops.hashnode.dev·Jul 23, 2025 · 5 min readDay 6:Virtual Machine & Containerization(Docker Beginning)✅ What is a VM (Virtual Machine)? A Virtual Machine is a software-based simulation of a physical computer. It runs on a hypervisor like VMware, VirtualBox, or KVM, which sits on top of the host OS or hardware. Each VM has its own OS, libraries, and ...00
ATAditya Tiwaryin100sdaysofdevops.hashnode.dev·Jul 22, 2025 · 4 min readDay 5:Error Handling in Shell Scripting and Git Basics Revision. 🟣 Error Handling in Shell Scripting — A Practical Guide 🚀 📚 Learning Objectives Creating reliable and professional Bash scripts requires solid error-handling skills. In this guide, you'll learn: How to handle errors effectively in Bash scripts...00
ATAditya Tiwaryin100sdaysofdevops.hashnode.dev·Jul 21, 2025 · 5 min readDay 4:Shell Scripting Interview Questions:Basic Shell Scripting Questions 1. What is a shell? What is shell scripting?A shell is a command-line interpreter that provides a user interface for the Unix/Linux operating system. Shell scripting is writing a series of command-line instructions in...00
ATAditya Tiwaryin100sdaysofdevops.hashnode.dev·Jul 20, 2025 · 3 min readDay 3:Shell Scripting🚦 1. Analyzing Node Health A core DevOps script often checks CPU, memory, disk usage, and running processes to ensure “node health.” A sample snippet: bashCopyEdit#!/bin/bash set -x set -e set -o pipefail # Check disk space df -h | grep '/$' # Che...00
