Cloud Devops Knowledge Hub
Explore our complete guide and resources on Cloud Devops for 2026.
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Curated Guides in Cloud Devops (270 Available)
AWS Free Tier Setup 2026: EC2, S3 & Avoiding Unexpected Billing Charges
Learn to navigate AWS Free Tier limits safely: launch an EC2 micro instance and set up AWS billing budget alerts.
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans.
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 2)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 3)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 4)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 5)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 6)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 7)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. Expanded section with detailed...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads.
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 10)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 11)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 12)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 13)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 14)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 15)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 16)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 17)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 18)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 19)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 2)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 20)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 21)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 22)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 23)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 24)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 25)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 3)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 4)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 5)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 6)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 7)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 8)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 9)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and document uploads. Updated verified...
CI/CD Pipelines Explained: Continuous Integration & Deployment for Beginners
Understand continuous integration and delivery concepts, automated test runners, and zero-downtime deployment.
Cloud Storage S3 Security Checklist: Prevent Public Data Leakage
Critical cloud security practices: block public access, enable bucket encryption, and enforce least-privilege IAM policies.
Linux Crontab Automation Guide: Schedule Backups & Scripts with Cron Jobs
Master cron syntax (minute, hour, day, month, weekday) to automate maintenance scripts and database dumps.
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables.
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 10)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 11)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 12)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 13)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 14)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 15)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 2)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 3)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 4)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 5)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 6)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks, and environment variables....
All Articles in This Category (64 guides)
AWS Free Tier Setup 2026: EC2, S3 & Avoiding Unexpected Billing Charges
Learn to navigate AWS Free Tier limits safely: launch an EC2 micro instance and set up AWS billing budget alerts.
Aws Ec2 Guide
Complete 2026 Hindi-English guide on Aws Ec2 Guide. Step-by-step instructions, tips, and tools for Indian users. Read...
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans.
AWS EC2 Security Groups Best Practices: Inbound & Outbound Rules Hardening (Advanced Section 2)
Secure cloud instances: restricting SSH access to your static IP, opening HTTP/HTTPS ports, and blocking port scans. ...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and docum...
How to Configure AWS S3 Cross-Origin Resource Sharing (CORS) for Web Uploads (Master Section 2)
Resolve browser cross-origin blocks: writing JSON CORS rule policies on S3 buckets for direct browser image and docum...
Azure Cloud
Complete 2026 Hindi-English guide on Azure Cloud. Step-by-step instructions, tips, and tools for Indian users. Read o...
Azure Cloud Guide
Complete 2026 Hindi-English guide on Azure Cloud Guide. Step-by-step instructions, tips, and tools for Indian users. ...
CI/CD Pipelines Explained: Continuous Integration & Deployment for Beginners
Understand continuous integration and delivery concepts, automated test runners, and zero-downtime deployment.
CI CD Pipelines Guide
Complete 2026 Hindi-English guide on CI CD Pipelines Guide. Step-by-step instructions, tips, and tools for Indian use...
Cloud Security Guide
Complete 2026 Hindi-English guide on Cloud Security Guide. Step-by-step instructions, tips, and tools for Indian user...
Cloud Storage S3 Security Checklist: Prevent Public Data Leakage
Critical cloud security practices: block public access, enable bucket encryption, and enforce least-privilege IAM pol...
Linux Crontab Automation Guide: Schedule Backups & Scripts with Cron Jobs
Master cron syntax (minute, hour, day, month, weekday) to automate maintenance scripts and database dumps.
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks...
Docker Compose Architecture: Node.js, PostgreSQL & Nginx Setup (Authority Edition 2)
Orchestrate microservices cleanly: writing docker-compose.yml files, named persistent volumes, container healthchecks...
Docker Compose Cheatsheet: Build & Run Multi-Container Apps with YAML
Master docker-compose.yml files: defining services, environment variables, networks, and automated container startup.
Docker Compose Cheatsheet: Build & Run Multi-Container Apps with YAML (Advanced Section 2)
Master docker-compose.yml files: defining services, environment variables, networks, and automated container startup....
Docker Containers for Beginners: Step-by-Step Installation & First Container
Beginner tutorial explaining containerization vs virtualization, Docker Desktop setup, and basic container commands.
Docker Containers Guide
Complete 2026 Hindi-English guide on Docker Containers Guide. Step-by-step instructions, tips, and tools for Indian u...
Docker Networking Modes Explained: Bridge, Host, Overlay & Custom Networks
Understand container communication: default bridge networks, port mapping (-p), isolated host networks, and multi-hos...
Docker Networking Modes Explained: Bridge, Host, Overlay & Custom Networks (Master Section 2)
Understand container communication: default bridge networks, port mapping (-p), isolated host networks, and multi-hos...
Docker Volumes Guide: How to Persist Data Across Container Restarts
Learn named Docker volumes, bind mounts, and sharing persistent databases safely between multiple containers.
Docker Volumes Guide: How to Persist Data Across Container Restarts (Advanced Section 2)
Learn named Docker volumes, bind mounts, and sharing persistent databases safely between multiple containers. Expande...
Domain DNS Records Explained: A, CNAME, MX, TXT, SPF & Nameservers
Comprehensive guide to DNS record types, TTL propagation, domain pointing, and email authentication records.
Git Branching Strategy: Merge vs Rebase & Resolving Merge Conflicts Safely
Clear explanation of Git feature branches, fast-forward merges, interactive rebasing, and clean team commit histories.
GitHub Actions CI/CD Pipeline: Automated Testing & Cloud Deploy
Automate software delivery: building workflow YAML files, caching dependencies, storing encrypted secrets, and automa...
GitHub Actions CI/CD Pipeline: Automated Testing & Cloud Deploy (Authority Edition 2)
Automate software delivery: building workflow YAML files, caching dependencies, storing encrypted secrets, and automa...
Google Cloud Guide
Complete 2026 Hindi-English guide on Google Cloud Guide. Step-by-step instructions, tips, and tools for Indian users....
Kubernetes Guide
Complete 2026 Hindi-English guide on Kubernetes Guide. Step-by-step instructions, tips, and tools for Indian users. R...
Kubernetes Core Concepts: Pods, Deployments & ClusterIP Services
Container orchestration fundamentals: declarative YAML manifests, replica scaling, rolling zero-downtime updates, and...
Kubernetes Core Concepts: Pods, Deployments & ClusterIP Services (Authority Edition 2)
Container orchestration fundamentals: declarative YAML manifests, replica scaling, rolling zero-downtime updates, and...
Linux cURL Command Cheatsheet: GET, POST, Headers & Authentication Examples
Practical cURL commands: sending JSON payloads, custom User-Agents, following redirects, and downloading files.
Linux cURL Command Cheatsheet: GET, POST, Headers & Authentication Examples (Advanced Section 2)
Practical cURL commands: sending JSON payloads, custom User-Agents, following redirects, and downloading files. Expan...
Linux Find Command Cheatsheet: Search Files by Extension, Size, Date & Permissions
Master file searches in Unix: finding files larger than 100MB, modified in last 7 days, and executing bulk actions wi...
Linux Find Command Cheatsheet: Search Files by Extension, Size, Date & Permissions (Master Section 2)
Master file searches in Unix: finding files larger than 100MB, modified in last 7 days, and executing bulk actions wi...
Linux Grep Command Cheatsheet: Recursive Text Search, Line Numbers & Regex
Search logs efficiently with grep: case-insensitive flags, inverted matching, displaying context lines, and piping ou...
Linux Grep Command Cheatsheet: Recursive Text Search, Line Numbers & Regex (Advanced Section 2)
Search logs efficiently with grep: case-insensitive flags, inverted matching, displaying context lines, and piping ou...
Linux System Monitoring with Top and Htop: Diagnose High CPU & Memory Load
Learn to interpret load averages, process states (RES, VIRT), and kill hung background tasks in Linux terminal.
How to Use Journalctl in Linux: Filter Boot Logs, Service Errors & Time Ranges
Diagnose systemd service errors: filtering logs by unit name, severity level, and since time parameters.
How to Use Journalctl in Linux: Filter Boot Logs, Service Errors & Time Ranges (Advanced Section 2)
Diagnose systemd service errors: filtering logs by unit name, severity level, and since time parameters. Expanded sec...
Linux Rsync Command Cheatsheet: Fast Incremental File & Directory Syncing
Master rsync over SSH: resuming interrupted transfers, preserving file timestamps, and dry-run safety testing.
Linux Rsync Command Cheatsheet: Fast Incremental File & Directory Syncing (Advanced Section 2)
Master rsync over SSH: resuming interrupted transfers, preserving file timestamps, and dry-run safety testing. Expand...
How to Setup UFW Firewall on Ubuntu Server: Allow SSH, HTTP, HTTPS Ports
Master Uncomplicated Firewall (UFW) rules on Ubuntu to block malicious port scans while keeping essential ports open.
How to Create a Custom Systemd Service in Linux: Auto-Restart on Boot
Ensure high availability for Python or Node scripts: defining .service unit files, setting Restart=always, working di...
How to Create a Custom Systemd Service in Linux: Auto-Restart on Boot (Authority Edition 2)
Ensure high availability for Python or Node scripts: defining .service unit files, setting Restart=always, working di...
Linux Systemctl Commands Cheatsheet: Start, Stop, Enable & Status of Daemons
Manage systemd units comfortably: inspecting active service logs, disabling boot daemons, and reloading configs.
Linux Systemctl Commands Cheatsheet: Start, Stop, Enable & Status of Daemons (Advanced Section 2)
Manage systemd units comfortably: inspecting active service logs, disabling boot daemons, and reloading configs. Expa...
How to Create Custom Systemd Service in Linux: Auto-Start Apps on Boot
Step-by-step tutorial to write a .service unit file, enable daemon-reload, and manage long-running background tasks.
How to Compress & Extract Tar.gz Files in Linux Terminal: Quick Cheatsheet
Fast reference for creating, listing, and extracting tar, tar.gz, and tar.bz2 archives in Unix systems.
How to Compress & Extract Tar.gz Files in Linux Terminal: Quick Cheatsheet (Advanced Section 2)
Fast reference for creating, listing, and extracting tar, tar.gz, and tar.bz2 archives in Unix systems. Expanded sect...
Microservices Guide
Complete 2026 Hindi-English guide on Microservices Guide. Step-by-step instructions, tips, and tools for Indian users...
How to Setup Nginx Reverse Proxy on Ubuntu: Configuration & SSL Integration
Step-by-step configuration for Nginx web server as a reverse proxy with proxy_pass and header forwarding.
How to Enable HTTP/2 and Brotli Compression in Nginx for Maximum Page Speed
Modern web server acceleration: upgrading Nginx to multiplexed HTTP/2 protocols, SSL session caching, and Google Brot...
How to Enable HTTP/2 and Brotli Compression in Nginx for Maximum Page Speed (Master Section 2)
Modern web server acceleration: upgrading Nginx to multiplexed HTTP/2 protocols, SSL session caching, and Google Brot...
How to Host Multiple Websites on One Ubuntu Server with Nginx Server Blocks
Configure multiple custom domains on a single Linux VPS using Nginx sites-available and symbolic links.
How to Host Multiple Websites on One Ubuntu Server with Nginx Server Blocks (Advanced Section 2)
Configure multiple custom domains on a single Linux VPS using Nginx sites-available and symbolic links. Expanded sect...
Serverless Guide
Complete 2026 Hindi-English guide on Serverless Guide. Step-by-step instructions, tips, and tools for Indian users. R...
How to Use ~/.ssh/config File to Manage Multiple Cloud Servers Easily
Simplify remote terminal access: configuring host aliases, identity files, and custom ports in your local SSH configu...
How to Use ~/.ssh/config File to Manage Multiple Cloud Servers Easily (Master Section 2)
Simplify remote terminal access: configuring host aliases, identity files, and custom ports in your local SSH configu...
How to Generate & Secure SSH Keys on Windows, Mac & Linux: ed25519 vs RSA
Complete guide to generating secure ed25519 SSH keypairs and configuring passwordless authentication for cloud servers.
How to Install Free Let's Encrypt SSL Certificate with Certbot on Nginx
Step-by-step Certbot tutorial for securing websites with automated free 90-day renewable SSL/TLS certificates.
How to Deploy Fast Static Websites on GitHub Pages with Custom Domain
Host static portfolio and documentation sites on GitHub Pages for free with automated builds and HTTPS.
Terraform Guide
Complete 2026 Hindi-English guide on Terraform Guide. Step-by-step instructions, tips, and tools for Indian users. Re...
Web Server Performance Tuning: Gzip Compression, Browser Caching & Keep-Alive
Optimize web server response times using gzip/Brotli compression, HTTP cache-control headers, and connection reuse.