SSH Key Authentication: Create Private & Public Keys for AWS Linux Instances (2026)

DevOps Roadmap 2026: Zero to Hero (Linux, AWS, K8s, CI/CD, Terraform, Docker & GitHub Actions) - SSH Key Authentication: Create Private & Public Keys for AWS Linux Instances (2026)

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What you'll learn

This course includes

32 hours of video
Certificate of completion
Access on mobile and TV

Summary

Keywords

ssh key authentication how to create ssh keys puttygen tutorial ssh-keygen command linux public and private key explained passwordless login linux aws ec2 ssh key setup devops roadmap 2026 devops molvi create ssh key pair windows 10 ssh key for aws instance linux security for beginners

Full Transcript

Still using passwords to log into your servers? In Chapter 6 of our DevOps Roadmap 2026, we are mastering SSH Key Authentication. This is the industry standard for securing AWS EC2 instances, Azure VMs, and automated pipelines. In this tutorial, I break down the Public and Private Key pair concept and show you exactly how to set up passwordless login using the two most popular methods: 1️⃣ PuttyGen (Perfect for Windows users) 2️⃣ SSH-Keygen (The standard for Linux/Mac Terminals) 🚀 What You Will Learn: 🔥 What is SSH Key Authentication? (Public vs. Private Keys) 🔥 How to generate SSH Keys using PuttyGen. 🔥 How to generate SSH Keys using the ssh-keygen command. 🔥 How to use these keys to access your AWS Linux Instances. 📌 Video Chapters (Quick Navigation): 0:00 - Introduction to Passwordless Login 0:14 - Why SSH Keys are Mandatory for DevOps 2026 1:18 - Security 101: The Importance of SSH Key Pairs 3:00 - How Public & Private Keys Work Together (The Concept) 5:05 - Method 1: How to Generate SSH Keys using PuttyGen (Windows) 13:49 - Method 2: Creating SSH Keys via SSH-Keygen (Linux/Terminal) 🚀 Level Up Your DevOps Career (Free Full Courses) Master the most in-demand tools with these comprehensive guides: ☁️ Cloud Certifications 🔸 AWS AI Practitioner Full Course 2026 (AIF-C01): https://youtu.be/3Ntb6S4xhDQ 🔸 AWS Cloud Practitioner (CLF-C02): https://youtu.be/plJ6h8PdIMU 🔸 Azure Fundamentals (AZ-900): https://youtu.be/wmaLT35typw ☸️ Containers & Orchestration 🔸 Kubernetes Mastery: https://youtu.be/jZ7lwcPLA1M 🔸 Docker for Beginners: https://youtu.be/KZvMdsg8KTY 🛠️ Automation & Infrastructure (IaC) 🔸 Terraform Full Course: https://youtu.be/lWUhTLWMijY 🔸 CI/CD Pipeline Projects: https://youtu.be/XpzdE_PJQLE 🐧 Essential Fundamentals 🔸 Linux for DevOps: https://youtu.be/McqQ5n0FyjM 🔸 Git & GitHub Full Course 2026: https://youtu.be/hshvdd4dtqo 🌐 Join the DevOps Molvi Community! 🔹 LinkedIn: https://www.linkedin.com/in/faisikhan/ 🔹 Instagram: https://www.instagram.com/DevOpsMolvi 🔹 Facebook: https://www.facebook.com/devopsmolvi 🔹 TikTok: https://www.tiktok.com/@devopsmolvi Enjoyed the video? 🚀 Don't forget to Like, Subscribe, and hit the Bell icon to never miss a cloud tutorial! #SSHKeys #AWS #DevOpsRoadmap2026 #PuttyGen #SSHKeygen #CyberSecurity #LinuxSecurity #DevOpsMolvi #CloudComputing #awsec2