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YouTube

Introduction to Cilium - CNI Implementation for Kubernetes with eBPF

Rawkode Academy via YouTube

Overview

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Dive into a comprehensive live tutorial on Cilium, an open-source CNI implementation for Kubernetes integrated with eBPF. Join host Rawkode and guest Ilya Dmitrichenko as they explore Cilium's installation, configuration, and troubleshooting. Learn about Container Networking Interface (CNI), Cilium's advantages, and practical demonstrations including the Star Wars demo and Hubble integration. Navigate through common challenges such as IPAM range issues and DNS configuration, while gaining insights into Cilium endpoints, CLI usage, and deployment strategies using both Quickstart and Helm methods. Experience real-time problem-solving and understand the intricacies of securing network connectivity in Linux container management platforms like Docker and Kubernetes using BPF technology.

Syllabus

- Holding screen
- Introductions
- Installing Cilium with the Quickstart
- Running the Cilium connectivity tests
- Connectivity test failures: IPAM range is full
- Changing the IPv4 CIDR
- Deleting the Cilium pods to force a config reload
- Using the Cilium CLI to fetch Cilium status
- Lets just delete everything and start again
- Lets try minikube ...
- What is the Container Networking Interface CNI?
- Advantages of Cilium
- Deploying the Star Wars demo to our cluster
- What is Hubble?
- Back to Star Wars demo
- Debugging Cilum Endpoints / What are Cilium Endpoints
- Lets delete minikube and start again
- Now CoreDNS can't get an IP address
- Lets go back to our Packet cluster
- Deploying Cilium again, this time with Helm
- IPAM range is full
- Lets reboot all our nodes ...
- Summary of what has gone wrong thus far
- Lets delete Cilium node CRDs
- Cilium is working ... but DNS isn't

Taught by

Rawkode Academy

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