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I would like to strongly recomend the Certified Calico Operator: Level 1 course for everyone interested in Kubernetes networking.

This free and self-paced course will arm you with the knowledge you need to understand how Kubernetes networking works, how to configure and manage a Calico network, and how to secure your cluster following today’s best practices, with the confidence you need to run mission critical workloads in production.

What the Course Covers

  • Introduction to Kubernetes Networking
  • Installing Calico
  • Everything you need to know about Network Policy, including:
    • Introduction to Network Policy
    • Best Practices for Network Policy
    • Managing Trust Across Teams
    • Network Policy for Hosts and NodePorts
  • Everything you need to know about network connectivity, including:
    • Pod Connectivity Fundamentals
    • Calico’s Next Generation eBPF Dataplane
    • Encrypting Data in Transit
    • Fun with IP Address Management
    • Peering with BGP
  • Everything you need to know about Kubernetes Services, including:
    • Introduction to Kubernetes Services
    • Understanding Kube-Proxy Service Handling
    • Understanding Calico Native Service Handling
    • Advertising Services

Free certification

At the end of the course, you can earn a certificate by passing a final exam.