DevOps

Docker is a popular containerization platform that allows developers to package applications and their dependencies into lightweight, portable containers. In this guide, we’ll walk through the installation of both Docker and Docker Desktop on Fedora. Prerequisites Fedora 35 or later sudo privileges Internet connectivity Step 1: Update Your System Before installing Docker, ensure your system is up to date: sudo dnf update -y Step 2: Add the Docker Repository Fedora does not include Docker in its default repositories, so you need to add the official Docker repository: ...

Setting up a development environment across multiple operating systems can be tedious. To simplify this, the Multi-Platform Development Tools Installer helps developers install essential tools in a structured and customizable way on Linux, macOS, and Windows. Features Terminal Enhancements zsh oh-my-zsh (with syntax highlighting & autosuggestions) Starship Prompt (Nerd Font preset) fzf (fuzzy finder) zoxide (smart directory jumping, initialized with --cmd cd) Development Environment Tools nvm (Node.js version manager) & Node.js Python (with pip) Docker Git Visual Studio Code PyCharm Community Edition Customizable Installation Choose to install all tools or select specific categories: ...

What are Docker Containers? Docker containers are lightweight, standalone packages that include everything needed to run a piece of software. Basic Docker Commands Here are some essential Docker commands you’ll use daily: # Pull an image docker pull nginx # Run a container docker run -d -p 80:80 nginx # List running containers docker ps # Stop a container docker stop container_id Creating a Dockerfile Here’s a simple Dockerfile for a Node.js application: ...

Understanding Kubernetes Kubernetes (K8s) is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. Key Concepts Pods Services Deployments ConfigMaps Secrets Basic Pod Definition apiVersion: v1 kind: Pod metadata: name: nginx-pod labels: app: nginx spec: containers: - name: nginx image: nginx:1.14.2 ports: - containerPort: 80 Simple Deployment apiVersion: apps/v1 kind: Deployment metadata: name: nginx-deployment spec: replicas: 3 selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx:1.14.2 Common Commands # Get cluster info kubectl cluster-info # Create resources kubectl apply -f deployment.yaml # List resources kubectl get pods kubectl get deployments Stay tuned for more Kubernetes tutorials! ...