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 eCHO news is your bi-weekly wrap up of all things eBPF and Cilium. If you want to keep up on the latest in cloud native networking, observability, and security this is your quelle

12th December 2023

 

This is going to be the last eCHO News of the year with the next one hitting your inbox on January 2nd. I need a bit of time to plot where we are heading next and recover from the amazing year we have had. From Graduation, to a book, and a movie this year has really exceeded all of my expectations and I'm constantly blown away by the pace of innovation and love for Cilium and eBPF in the community.

 

The Cilium Annual Report will be coming out later this week or next to summarize all of those accomplishments, but before I close for the holidays I want to take a second to say what I'll be thinking about during the break. Based on what I learned over the past year, I think the biggest stories for next year will be around the disappearance of service mesh into the platform for better separate concerns, the increasing importance of runtime security because we live in a dynamic not static world, and starting to really understand how cloud native connects to the rest of the IT world. I've got presents to wrap and cookies to eat so let's 🐝 gin!

The Technical

Hubble Series (Part 3): Cilium Hubble and Grafana Better Together

Create pretty dashboard to determine if it really was DNS

 

Unleashing the Power of k3s for Edge Computing: Deploying 3000+ in-store Kubernetes Clusters — Part 1

"These unique networking demands could complicate deployments, but this is where Cilium steps in to streamline the process"

 

eBPF Networking Techniques - Packet Redirection

"For instance, wtf is a veth" and more deep dives into Linux/eBPF networking

 

Advent of Code 🎄 - an eBPF take 🐝

"I challenged myself to try and solve some of the AoC challenges with eBPF"

 

The Big FIFO in the Cloud

Discussing the effects of departure time-based traffic shaping

 

All my favorite tracing tools: eBPF, QEMU, Perfetto, new ones I built and more

"If you want to trace things using the Linux kernel there’s a new game in town, and it’s awesome. The eBPF subsystem"

 

Signaling from within: how eBPF interacts with signals

Explore the semantics of UNIX signals when generated from an eBPF program

 

Migrating from MetaLB to Cilium

"Cilium 1.13 introduced LB-IPAM support and 1.14 added L2 announcement capabilities, making MetalLB superfluous for my setup"

 

Exploring Function Tracing with eBPF and Uprobes - Episode 1

Practical guide to using eBPF and uprobes for function tracing in application performance monitoring

 

Uprobes Siblings - Capturing HTTPS Traffic: A Rust and eBPF Odyssey

"we successfully visualized the body content of HTTPS responses"

 

zebaz/xpress-dns

"Experimental XDP DNS server powered by eBPF"

 

netfoundry/zfw

"An ebpf based firewall for openziti edge-routers/tunnelers"

 

kmesh-net/kmesh

"High Performance ServiceMesh Data Plane Based on Programmable Kernel"

 

kube-tarian/tarian

"Protect your applications running on Kubernetes from malicious attacks by pre-registering your trusted processes and trusted file signatures"

🐝

 

The Ecosystem

A Season Of Cilium: One Surprise Every Day

Similar to Advent of Code. Learn one new thing about Cilium everyday

 

Cilium, eBPF and Beyond

Liz Rice goes on the Open at Intel podcast

 

Cilium and eBPF Breakdown

Hear me on the first episode of the tangent in English

🐝

 

The How To

Isovalent Enterprise for Cilium in AWS Marketplace

Learn how to deploy Isovalent Enterprise for Cilium on EKS, and EKS-A clusters from the AWS marketplace

 

Cilium Cluster Mesh + CoreDNS

"I believe that Cilium offers a nice trade-off between ease of use, features and complexity, and shines when combined with other open source tools"

 

Transform Your Raspberry Pi: Lightweight Power with k3s and Cilium!

Set up Cilium on your home cluster

 

Auditing Tetragon logs for better eBPF log analytics in Kubernetes clusters

Set up a logging pipeline, filter results, and create alerts

🐝

 

The Video

⚡️ Enlightning - Cilium Networking, Security and Observability

Lightboard session introducing Cilium

 

Why VSHN Use Cilium With OpenShift

"Once we learn that Cilium was official supported by OpenShift, it was easy for us"

 

An Overview of the Cilium Architecture

See how the Cilium agent, operator, CLI, Hubble, and Envoy fit together

 

eBPF - Kubernetes Network Security without the Blind Sides!

Cloud Security Podcast interviews Thomas Graf

 

An Introduction to Cilium Cluster Mesh

It's not KubeFed, it's cluster mesh

 

Get Continuous Performance Profiling Metrics With eBPF

The benefits of using eBPF for isolating and fixing poor performing code and highlighting its potential for improving performance engineering

 

eBPF e Cilium

O futuro e presente da rede no kubernetes

 

Day 04: AKS & Cilium, a love story? with David Frappart

"In the recent months (years?), Cilium imposed its print in the Kubernetes landscape" find out how it works on AKS

 

Unlocking Next-Gen Networking and Security with Cilium Service Mesh

Everything you need to know in 5 minutes from KCD Denmark

🐝

 

The Events

Ampliando la Visión: Asegurando Kubernetes con Cilium/Hubble

Hear about Cilium at KCD Spain on December 13th

 

Cilium 1.14 Release

Hands-on virtual workshop on December 14th

 

Cloud Native Lorient #2

Meet on eBPF in France on December 14th

 

入門 eBPF ―Linuxカーネルの可視化と機能拡張 - Forkwell Library #40

December 19th

 

Rancher Live: What's the buzz with Cilium?

Kick the year off right with me live streaming about Cilium

 

Cilium Workshop with Isovalent & Redpill Linpro - Copenhagen

January 11th

 

41. stretnutie komunity Cloud Native – Cilium

Meetup in Bratislava on January 18th

 

Cilium Workshop with Isovalent and Sue - Geldermalsen

January 25th

 

Cilium + eBPF Day

Coming back to KubeCon Paris!

🐝

The Livestreams

eCHO Episode 117: A Tour of the Cilium Helm Values

eCHO Episode 117: A Tour of the Cilium Helm Values

  

eCHO Episode 118:

Cilium on EKS - Prefix Delegation

eCHO Episode 118: Cilium on EKS - Prefix Delegation

Upcoming Stream

eCHO Episode 119: bpftune

Add to your calendar

The Tweet of the Week

tweet: Finally writing up basic layer 7 parsing in eBPF 🐝

As always, if you’ve seen a blog post, a tool, or anything else eBPF or Cilium related that you think the rest of the community should hear about, send them my way. You can either hit reply or join the #echo-news channel on Cilium Slack. You can also find all of the past episodes on the website.

🐝

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Written and sent by Bill Mulligan. Any feedback is welcome!

Screenshot 2023-12-12 at 10.49.34

I work at Isovalent which is leading the eBPF-Powered Revolution in Cloud Native Networking, Observability, and Security with Cilium

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