SRJahir Tech Blog

Long-form, practical articles on AI, Cloud, programming, global markets, careers, and long-term thinking. No hype. Just clarity.

SRJahir Tech Blog

Long-form, practical articles on AI, Cloud, careers, India’s future, and real-world technology thinking. No hype. Just clarity.

Why AI Will Not Take Your Job

AI is not replacing humans. It is replacing outdated ways of working.

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How to Use AI the Right Way

Learn how to use AI as a thinking partner, not a shortcut.

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Why You Should Not Be Afraid of AI

Fear comes from misunderstanding. AI is a power multiplier.

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Why AI and Adobe Will Empower Creators

Creativity is not being automated — it is being amplified.

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Top Tech Skills That Will Save Your Career

Skills that matter when AI reshapes jobs and industries.

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Cloud Career Roadmap

A practical guide from beginner to industry-ready cloud engineer.

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Why the Next 50 Years Are Bright for India

India’s long-term strength lies in youth, technology, and adaptability.

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India’s Youth Advantage

Why this generation is fundamentally different from the past.

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Why Systems Matter More Than Politics

Politics changes headlines. Systems shape decades. A neutral look at governance, technology, and long-term thinking.

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How to Use Cloud Power the Right Way (AWS, Azure, Google Cloud)

Cloud is not magic. It is responsibility, design, and thinking. Learn how AWS, Azure, and Google Cloud actually give power — and how to use it correctly.

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Cloud Cost Mistakes Beginners Make

Cloud is not expensive by default — carelessness is. Learn the most common cloud cost mistakes beginners make and how to avoid surprise bills.

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Why Certifications Alone Don’t Make Cloud Engineers

Certifications open doors, but real cloud engineers are judged by thinking, responsibility, and hands-on skills.

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AI + Cloud = New Career Paths

AI and Cloud together are reshaping careers. Discover new roles emerging beyond traditional IT jobs.

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Cloud Security for Non-Security People

You don’t need to be a security expert to stay safe. Learn cloud security basics every developer should know.

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Why Global Markets Move More on Psychology Than Numbers

Markets don’t react to data alone. Fear, confidence, and narratives shape global market movements.

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Global Markets vs Indian Markets

Understand what truly drives global markets and Indian markets, and why treating them the same is a mistake.

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Why Long-Term Investors Win

Compounding, patience, and discipline explain why long-term investors outperform traders.

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Market Cycles Beginners Don’t Understand

Every market follows emotional cycles. Learn why beginners repeat the same mistakes every time.

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Why News-Based Trading Fails

Markets move before headlines. Learn why reacting to news usually leads to losses.

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Why the American Market Moves the World

The US market is not just another stock market. It drives global liquidity, confidence, and capital flows. Understand why the world reacts when America moves.

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How Beginners Misunderstand the American Market

Many beginners enter the US market with wrong assumptions. This article explains common misconceptions and why systems matter more than excitement.

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Market Education: How Global Markets Actually Work

A complete foundation guide to global markets. Understand structure, institutions, risk, cycles, and why markets move beyond news, noise, and social media opinions.

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Programming Languages That Will Matter (2026–2031)

AI is changing how software is written. Learn which programming languages will stay relevant, which will grow, and how to choose wisely in the AI era.

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Why Syntax Matters Less Than Thinking in the AI Era

AI can write syntax in seconds. What truly matters now is how you think, design problems, and understand systems beyond code.

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How AI Changes Software Engineering — Not Coding

AI is changing architecture, responsibility, and decision-making — not the existence of coding itself.

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Beginner vs Engineer: The Gap AI Cannot Fill

AI can generate answers. It cannot replace experience, judgment, and responsibility that define real engineers.

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Resume & CV Master Guide for the AI Era

A complete resume and CV guide for the AI era. Learn how to present skills, projects, and thinking correctly.

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Learn Linux: Beginner to Professional

A complete Linux learning roadmap — from basic commands to real-world system administration and server thinking.

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Learn Python: Beginner to Professional

Learn Python the right way — fundamentals, problem-solving, scripting, automation, and industry use cases.

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Learn JavaScript: Beginner to Professional

A deep guide to JavaScript — from basics to modern web development and system-level thinking.

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Learn Java: Beginner to Professional

Understand Java beyond syntax — object-oriented thinking, backend systems, performance, and enterprise use.

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Learn CSS: Beginner to Professional

Learn CSS from fundamentals to layout systems, responsiveness, performance, and scalable design.

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Programming Fundamentals — Master Guide

Before learning Python, JavaScript, Java, or Cloud, understand how programming actually works. This pillar guide explains logic, flow, data, and thinking that every strong developer shares.

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Python Tutorial Part 1 — Introduction & Setup

Understand what Python is, where it is used, and how to set up Python the right way.

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Python Tutorial Part 2 — Variables & Data Types

Learn how Python stores data using variables and core data types.

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Python Tutorial Part 3 — Operators & Expressions

Master arithmetic, comparison, logical, and assignment operators in Python.

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Python Tutorial Part 4 — Conditional Statements

Learn decision-making in Python using if, elif, and else.

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Python Tutorial Part 5 — Loops (for & while)

Understand looping, iteration, and control flow using loops.

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Python Tutorial Part 6 — Functions

Learn how to write reusable, clean, and structured Python functions.

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Python Tutorial Part 7 — Lists, Tuples & Sets

Understand Python collections and how to work with grouped data.

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Python Tutorial Part 8 — Dictionaries

Learn key-value data storage using Python dictionaries.

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Python Tutorial Part 9 — Strings & String Methods

Master string handling, formatting, and common string operations.

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Python Tutorial Part 10 — Error Handling

Learn how to handle errors using try, except, else, and finally.

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Python Tutorial Part 11 — File Handling

Learn how Python reads, writes, and manages files in real applications.

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Python Tutorial Part 12 — Virtual Environments & pip

Learn dependency management using pip and virtual environments.

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Linux Tutorial Part 1: What Is Linux & Why It Matters

Understand what Linux is, why it powers servers, cloud, DevOps, and how it differs from Windows and macOS.

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Linux Tutorial Part 2: Installing Linux & Choosing a Distro

Learn how to install Linux, dual boot safely, use virtual machines, and choose the right distro for beginners.

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Linux Tutorial Part 3: Linux File System Explained

Understand directories like /home, /etc, /var, /bin, permissions, and how Linux organizes everything.

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Linux Tutorial Part 4: Basic Linux Commands You Must Know

Learn essential commands like ls, cd, pwd, cp, mv, rm, mkdir with real-world examples.

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Linux Tutorial Part 5: File Permissions & Ownership

Master chmod, chown, permissions, users, groups, and Linux security basics.

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Linux Tutorial Part 6: Package Management (apt, yum, dnf)

Learn how software installation works in Linux using package managers the right way.

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Linux Tutorial Part 7: Processes, CPU & Memory Management

Understand running processes, background jobs, top, ps, kill, and system resource usage.

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Linux Tutorial Part 8: Networking Basics in Linux

Learn IP addresses, ports, ping, netstat, ss, curl, wget, and basic network troubleshooting.

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Linux Tutorial Part 9: Shell Scripting Basics

Automate tasks using bash scripting, variables, loops, conditions, and real scripts.

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Linux Tutorial Part 10: Logs, Monitoring & Troubleshooting

Learn how to read logs, diagnose errors, monitor system health like real Linux admins.

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Linux Tutorial Part 11: Linux for Servers & Cloud

Understand how Linux is used in cloud, servers, containers, and production environments.

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Linux Tutorial Part 12: Becoming a Confident Linux User

Final roadmap, daily practice habits, common mistakes, and how to think like a Linux professional.

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Docker Tutorial Part 1: What is Docker & Why It Exists

Understand Docker from zero — problems before Docker, containers vs virtual machines, and why Docker matters.

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Docker Tutorial Part 2: Installing Docker & First Container

Install Docker step by step and run your first container to see Docker in action.

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Docker Tutorial Part 3: Docker Images & Containers Explained

Learn what images and containers really are, how they work, and how Docker uses layers.

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Docker Tutorial Part 4: Running & Managing Containers

Run, stop, restart, remove containers and understand container lifecycle clearly.

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Docker Tutorial Part 5: Dockerfile Basics

Learn how to write Dockerfiles, build your own images, and understand each instruction.

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Docker Tutorial Part 6: Volumes & Persistent Data

Understand Docker volumes, bind mounts, and how to keep data safe outside containers.

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Docker Tutorial Part 7: Docker Networking Explained

Learn container networking, ports, bridge networks, and how containers talk to each other.

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Docker Tutorial Part 8: Docker Compose Basics

Run multi-container applications using Docker Compose with real-world examples.

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Docker Tutorial Part 9: Environment Variables & Secrets

Manage configs, environment variables, and secrets safely in Docker applications.

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Docker Tutorial Part 10: Docker Logs & Troubleshooting

Debug containers, read logs, fix common Docker errors like a real DevOps engineer.

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Docker Tutorial Part 11: Docker Security Best Practices

Learn container security basics, image scanning, permissions, and common mistakes.

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Docker Tutorial Part 12: Docker in Real Projects & Career Path

How Docker is used in production, real workflows, and what to learn next after Docker.

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AWS + Linux Combo Part 1: Cloud & Linux Foundations

Understand cloud basics, why Linux dominates AWS, and how both work together in real systems.

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AWS + Linux Combo Part 2: EC2 & Linux Server Setup

Launch EC2 instances, choose Linux AMIs, connect via SSH, and secure your first server.

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AWS + Linux Combo Part 3: Users, Permissions & SSH Security

Manage Linux users on AWS, SSH keys, sudo rules, and basic server hardening.

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AWS + Linux Combo Part 4: Storage — EBS, Mounts & Backups

Learn EBS volumes, mounting disks in Linux, resizing storage, and backups.

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AWS + Linux Combo Part 5: Networking, Security Groups & Firewalls

Understand VPC basics, security groups, ports, and Linux firewall concepts together.

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AWS + Linux Combo Part 6: Web Server Deployment

Deploy Nginx/Apache on EC2, configure Linux services, and host your first website.

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AWS + Linux Combo Part 7: Logs, Monitoring & Troubleshooting

Read Linux logs, monitor EC2 health, and debug real production issues.

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AWS + Linux Combo Part 8: Automation with Shell Scripts

Automate AWS Linux tasks using bash scripts and cron jobs.

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AWS + Linux Combo Part 9: Security Best Practices

Secure Linux servers on AWS using real-world security practices.

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AWS + Linux Combo Part 10: Cost Control & Optimization

Reduce AWS costs using Linux-level optimizations and smart architecture.

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AWS + Linux Combo Part 11: Real Production Architecture

Understand how real companies run Linux workloads on AWS.

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AWS + Linux Combo Part 12: Career Roadmap & Next Steps

Final roadmap, skills to master, and how to grow into DevOps or Cloud roles.

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DevOps Roadmap Part 1: What is DevOps & Why It Matters

Understand DevOps mindset, culture, real responsibilities, and why companies actually need DevOps engineers.

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DevOps Roadmap Part 2: Linux Fundamentals for DevOps

Learn Linux commands, permissions, processes, services, logs, and server thinking required for DevOps.

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DevOps Roadmap Part 3: Networking Basics Every DevOps Must Know

IP, DNS, ports, firewalls, load balancing, and how servers communicate in real production systems.

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DevOps Roadmap Part 4: Cloud Fundamentals (AWS Explained Simply)

Understand EC2, IAM, VPC, security groups, storage, and cloud concepts without confusion.

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DevOps Roadmap Part 5: Docker & Containers Explained

Learn containers vs VMs, Docker images, containers, Dockerfiles, and real DevOps use cases.

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DevOps Roadmap Part 6: Git, GitHub & CI/CD Pipelines

Learn version control, GitHub workflows, CI/CD concepts, and automated deployments.

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DevOps Roadmap Part 7: Kubernetes Basics for Beginners

Understand pods, deployments, services, scaling, and why Kubernetes is used in real systems.

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DevOps Roadmap Part 8: Monitoring, Logs & Troubleshooting

Learn how DevOps engineers detect failures, read logs, monitor systems, and recover fast.

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DevOps Roadmap Part 9: DevOps Security & Best Practices

IAM, secrets, least privilege, firewall rules, and security mindset every DevOps must have.

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DevOps Roadmap Part 10: Real-World DevOps Projects

Step-by-step DevOps projects using Linux, AWS, Docker, CI/CD, and monitoring.

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DevOps Roadmap Part 11: DevOps Resume & Interview Preparation

Learn how to build a strong DevOps resume, projects to show, and interview preparation strategy.

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DevOps Roadmap Part 12: Becoming a Confident DevOps Engineer

Final roadmap, daily learning plan, mistakes to avoid, and how to grow as a DevOps professional.

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Write & Publish With SRJahir Tech

Do you have clarity, insight, or practical experience in AI, Cloud, Programming, Markets, or Technology? You can contribute your article to SRJahir Tech.

📩 Send your article to:
surajmaitra1996@gmail.com

All submissions go through review. We may edit or decline content to maintain quality.

Disclaimer:
All content on SRJahir Tech is for educational and informational purposes only.