Linux Interview Questions and Answers for Junior DevOps, Cloud & System Engineers

10 Linux Interview Questions Every Junior DevOps & Cloud Engineer Must Know (With Live Demos) Preparing for a Linux interview for a Junior Cloud Engineer, DevOps Engineer, Platform Engineer, or Linux Administrator role? In this video, you'll learn 10 of the most common Linux interview questions, how to answer them professionally, and—more importantly—how to demonstrate real troubleshooting skills that interviewers are actually looking for. Most hiring managers don't care about memorized definitions. They want to know: ✅ How you think ✅ How you troubleshoot problems ✅ How you approach real-world Linux issues That's why every question in this video includes practical Linux commands and live demonstrations. Perfect for: Linux Beginners Junior Cloud Engineers DevOps Engineers Platform Engineers System Administrators IT Professionals preparing for interviews --- 📌 TIMESTAMPS 00:00 Introduction 01:28 Question 1: Linux Server Is Slow — What Would You Check First? 03:46 Question 2: How to Check Running Processes in Linux 05:11 Question 3: Difference Between `kill` and `kill -9` 07:20 Question 4: What Does `chmod 755` Mean? 09:17 Question 5: How to Check Open Ports in Linux 11:09 Question 6: Public IP vs Private IP 12:54 Question 7: Website Is Down — What Would You Check? 15:04 Question 8: Docker Container vs Virtual Machine 16:28 Question 9: What Is DNS? 17:44 Question 10: How Do You Use ChatGPT or AI Tools at Work? 18:54 Linux Interview Tips & Troubleshooting Mindset --- 💻 COMMANDS USED IN THIS VIDEO Check CPU Usage top htop Check Memory Usage free -m Check Disk Usage df -h View System Logs journalctl -xe List Running Processes ps aux Monitor Processes in Real Time top Top Memory Consumers ps aux --sort=-%mem | head Top CPU Consumers ps aux --sort=-%cpu | head Graceful Process Termination kill PID Force Kill Process kill -9 PID Linux Permissions chmod 755 script.sh Check Open Ports ss -tulnp netstat -tulnp Check Nginx Status systemctl status nginx Check Nginx Logs journalctl -u nginx Test Website Locally curl localhost Docker Commands docker ps docker images DNS Troubleshooting dig google.com nslookup google.com --- 🎯 KEY INTERVIEW TOPICS COVERED Linux Troubleshooting Linux Performance Analysis Process Management Linux Permissions Networking Fundamentals Public vs Private IP DNS Concepts Docker Basics Linux Commands for Interviews AI Usage in Engineering Roles Cloud Engineer Interview Preparation DevOps Interview Preparation --- 🔗 RELATED ARTICLE & RESOURCES 👉 Linux Commands for Beginners 👉 Linux Troubleshooting Guide 👉 Linux Networking Fundamentals 👉 Docker for Beginners 👉 AWS & DevOps Learning Path 👉 Linux Interview Preparation Checklist --- 🚀 WHO SHOULD WATCH THIS? If you're preparing for: Linux Administrator Interviews Junior DevOps Engineer Interviews Cloud Engineer Interviews Platform Engineer Interviews System Administrator Interviews then this video is for you. --- 📢 COMMENT BELOW: *LINUX* if you'd like a Part 2 covering: AWS Interview Questions Docker Interview Questions Real Troubleshooting Scenarios DevOps Interview Simulation If this video helped you, please Like, Subscribe, and turn on Notifications for more practical Linux, Cloud, AWS, and DevOps tutorials. #Linux #LinuxInterview #DevOps #CloudEngineer #LinuxAdmin #SystemAdministrator #AWS #Docker #Kubernetes #DevOpsEngineer #LinuxCommands #TechInterview #ITInterview #PlatformEngineer #ChatGPT