26. Kubernetes Labels & Selectors Tutorial + Demo

Description

Learn Kubernetes Labels & Selectors with this complete tutorial + demo! 🚀 In this video, we cover everything from the basics to hands-on practical examples, showing you how to organise, filter, and manage Pods, Services, and Deployments effectively in Kubernetes. Perfect for system administrators, developers, and DevOps enthusiasts looking to level up their cluster management skills. ✔️ Understand the importance of labels in Kubernetes clusters ✔️ Create Pods, Services, and Deployments with labels (hands-on demo) ✔️ Query resources using equality-based and set-based selectors ✔️ Combine selectors for precise filtering and management ✔️ Use selectors with kubectl commands like get, logs, scale, and delete ✔️ Troubleshoot common errors and learn best practices *Commands Used in This Video*: kubectl apply -f pods.yaml kubectl get pods --show-labels kubectl get pods -l env=production kubectl get pods -l tier!=frontend kubectl get pods -l 'env in (production,staging)' kubectl apply -f service.yaml kubectl apply -f deployment.yaml kubectl label pod ecommerce-frontend version=v1 kubectl scale deployment -l tier=frontend --replicas=3 kubectl delete pods -l env=production,tier=frontend 👉 Subscribe for more tutorials and leave your thoughts in the comments below. 🎓 *Continue Learning with These Playlists* : 🐧 *Linux for Beginners* (Start from scratch): 👉 [Watch the Playlist](https://www.youtube.com/playlist?list=PL4y5PiOmBnA84TiMlXFWflKYYhatkjQlV) 💻 *Linux Command Line Tutorials* (Terminal-focused skills): 👉 [Explore Commands](https://www.youtube.com/playlist?list=PL4y5PiOmBnA83IhbSvF2t1yJVG4qVd-yO) 🚀 *Kubernetes Series for Admins and Devs* : 👉 [Start Learning Kubernetes](https://www.youtube.com/playlist?list=PL4y5PiOmBnA9KrxpnrBzgvSpdEqD6LmtI) --- 🔔 *Subscribe for more tutorials* : 👉 [@TechOpsTutorials](https://www.youtube.com/@TechOpsTutorials?sub_confirmation=1) 📚 Chapters 0:00 🎬 Introduction to Kubernetes Labels & Selectors 0:38 🧐 Why Use Labels? 1:29 🏷️ What Are Labels? 3:13 🤝 Labels & Services 4:35 🛠️ Labels & Deployments 6:22 ✨ Extra Uses for Labels 8:39 🔎 What Are Selectors? 10:30 ⚖️ Equality-Based Selectors 11:49 🧩 Set-Based Selectors 13:25 ➡️ Equality-Based Selectors in Action 15:44 ➡️ Set-Based Selectors in Action 18:39 🤝 Combining Selectors 21:11 ⌨️ Selectors with kubectl Commands 23:59 ✅ Summary 25:46 💻 Hands-On Demo 27:54 📝 Demo: Imperative vs. Declarative YAML 29:02 ✨ Demo: Creating Pods with Labels 34:49 🏃 Demo: Filtering with Equality Selectors 36:15 🏃 Demo: Filtering with Set-Based Selectors 37:45 🤝 Demo: Services & Selectors 40:06 🛠️ Demo: Deployments & Selectors 44:52 🔄 Demo: Adding & Changing Labels Dynamically 46:32 🎯 Demo: Combining Multiple Selectors 47:55 🚀 Demo: Using Selectors with kubectl Logs, Scale, & Delete 53:22 👋 Conclusion #Kubernetes #KubernetesTutorial #LabelsAndSelectors #KubernetesDemo #DevOps