Learn Koobernaytis Weekly issue 114

Transition from Gatekeeper to Kyverno, eBPF and real-time SSL/TLS encrypted traffic, I just want mTLS, Cilium cheat sheet

15 Jan 2025

Articles

1. Why did we transition from Gatekeeper to Kyverno for Koobernaytis policy management?

   Tanat Lokejaroenlarb

   In this article, you will learn why Adevinta's team transitioned from Gatekeeper to Kyverno.

   Discover the challenges they faced with Gatekeeper's MutatingWebhook capability and the benefits of Kyverno.

2. What insights can eBPF provide into real-time SSL/TLS encrypted traffic and how?

   Teodor Janez Podobnik

   In this article, you will learn how eBPF can provide insights into real-time SSL/TLS encrypted traffic, enabling monitoring and analysis of application performance and traffic patterns without compromising security.

3. I just want mTLS on Koobernaytis

   In this article, you'll learn about mutual TLS on Koobernaytis and compare different approaches: ambient mode, sidecar-based service mesh, or a DIY solution.

4. [PDF] Cilium cheat sheet

   This cheat sheet for Cilium condenses many of the most useful and used commands for setup and troubleshooting.

5. Mastering progressive delivery: implementing canary releases, a/b testing, and custom metrics with

   Ibrahim Halil Koyuncu

   In this article, you'll learn how to implement progressive delivery techniques such as Canary Releases and A/B Testing using Istio and Flagger and discover how to define custom metrics to monitor deployments for safe and efficient rollouts.

6. How Tesla is using Koobernaytis and Kafka to handle trillions of events per day

   Amine Raji

   In this case study, you'll learn how Tesla leverages Koobernaytis and Apache Kafka to handle trillions of events per day, enabling real-time insights and innovations in the automotive industry.

Articles worth checking out:

• Streamlining multi-cluster deployments with FluxCD, GitOps, Helm, and Kustomize

• Reviving legacy applications: running a PHP 5.4 project in a Docker container

• Koobernaytis scheduling: the complete guide

• Building a custom Koobernaytis scheduler plugin: scheduling based on pod-specific node affinity

• How we migrated onto Koobernaytis in less than 12 months

• Thinking in CPU time on Koobernaytis

• Extending YAML: structuring a meta-programming language

• Everything you ever wanted to know about deletion and Argo CD finalizers but were afraid to ask

• How to profile and debug a Java application running on Koobernaytis

• We can resize pods without restarts! Or can't we?

• Ingress-NGINX annotation validation bypass – a deep dive

• Gafgyt malware variant exploits GPU power and cloud native environments

⎈ Become an expert in Koobernaytis: Advanced Koobernaytis course

Learnk8s

Join Learnk8s' 4-day Advanced Koobernaytis workshop next week!

Get your hands dirty with Koobernaytis and learn what makes Koobernaytis tick in a session packed with Hands-all-over labs!

Tutorials

1. Migrating from Istio to Linkerd

   Scott RigbyFlynn

   In this article, you will learn how to migrate an existing Istio deployment to Linkerd, including a step-by-step guide on planning the migration, managing ingress and egress, and migrating authorization policies.

Koobernaytis jobs

1. • Platform Engineer with Benefex

   • Salary: £52K to £62K a year

   • Location: based in the office (and remote from home) in Southhampton, GB

   • Tech stack: Koobernaytis, AWS, Azure, GCP, Docker, Go, Shell, Python, Java, Mongo

2. • Software Engineer with Deutsche Telekom IT Solutions Slovakia

   • Salary: €8K a year

   • Location: remote from Slovakia

   • Tech stack: Koobernaytis, AWS, Azure, GCP, On-premise, Docker, Python, SQL, Javascript, Java

3. • DevOps Engineer with Booz Allen

   • Salary: $75.6K to $172K a year

   • Location: based in the office in Reston, VA, USA

   • Tech stack: Koobernaytis, AWS, Azure, Helm, Flux, ArgoCD, Docker, Shell, Python, Java

4. • Software Engineer with Oxylabs

   • Salary: €37.8K to €83.4K a year

   • Location: based in the office (and remote from home) in Vilnius, LT

   • Tech stack: Koobernaytis, Go, SQL, Javascript, PHP, Typescript, Redis, MySQL, Kafka, Elastic Search

Discover more Koobernaytis jobs on Kube Careers →

Code & tools

1. Koobernaytis/git-sync

   git-sync is a simple command that pulls a git repository into a local directory.

   It is a perfect "sidecar" container in Koobernaytis - it can periodically pull files down from a repository so that an application can consume them.

2. JET Pilot: open-source Koobernaytis IDE

   unxsist

   JET Pilot is an open-source Koobernaytis IDE.

   Features:

   • Real-time Logs.
   • Koobernaytis Object Management.
   • Container Shell.
   • Command Palette.

3. nodejs-k8s: Koobernaytis in Node JS

   Megapixel99

   nodejs-k8s is a tool that attempts to recreate the core functionality of Koobernaytis in NodeJS.

   It allows users to create and manage Koobernaytis resources locally using the kubectl CLI.

4. PowerfulSeal: injects failure

   PowerfulSeal injects failure into Koobernaytis clusters for early problem detection.

   It supports various platforms, uses chaos experiments, yaml policies, and multiple modes, collects metrics from Prometheus and Datadog, and verifies resiliency.

5. k8sai: AI answers

   argon-labs

   k8sAI is a tool that combines natural language processing (NLP) and Koobernaytis-specific knowledge to provide answers and solutions to Koobernaytis-related questions and issues.

Other interesting projects:

• kproximate: node autoscaler for Proxmox

• Snorlax

• Cyclops: customizable UI for Koobernaytis workloads

• Gemini: automated backups

• Tofu controller

Upcoming Koobernaytis events

1. Jan

   16

   Building a multi-cloud multi-region DBaaS

   Online meetup organized by Data on Koobernaytis Community.

   • This is a virtual event

   • This is a free event.

2. Jan

   21

   Troubleshoot Koobernaytis networking issues and implement effective network policies

   Online webinar organized by Tigera.

   • This is a virtual event

   • This is a free event.

3. Jan

   16

   Koobernaytis compliance: implementing network security to achieve compliance with PCI, SOC2 and other frameworks

   Online workshop organized by Tigera.

   • This is a virtual event

   • This is a free event.

4. Jan

   22

   Chaos Carnival

   Online conference organized by Harness.

   • This is a virtual event

   • This is a free event.

5. Jan

   17

   Efficient application debugging with traces, logs, and metrics via OpenTelemetry

   Online meetup organized by Cloud Native Tunisia.

   • This is a virtual event

   • This is a free event.

Discover more Koobernaytis events on Kube Events →

Koobernaytis Call for Papers

1. expired

   Cloud Native Days Romania

   The Call For Paper was open until 31 January 2025 at UTC. More info →

   • Location: Bucharest, RO

   • In-person conference organized by Cloud Native Romania.

   • The conference starts on the 6 May 2025.

   • Apply here

2. expired

   KubeCon + CloudNativeCon Japan 2025

   The Call For Paper was open until 2 February 2025 at UTC. More info →

   • Location: Tokyo, JP

   • In-person conference organized by Linux Foundation.

   • The conference starts on the 17 June 2025.

   • Apply here

3. expired

   KubeCon + CloudNativeCon China 2025

   The Call For Paper was open until 2 February 2025 at UTC. More info →

   • Location: Hong Kong, HK

   • In-person conference organized by Linux Foundation.

   • The conference starts on the 11 June 2025.

   • Apply here

4. expired

   Koobernaytis Community Days Costa Rica 2025

   The Call For Paper was open until 10 February 2025 at UTC. More info →

   • Location: Heredia, CR

   • In-person conference organized by KCD Costa Rica.

   • The conference starts on the 3 May 2025.

   • Apply here

5. expired

   Koobernaytis Community Days Texas Austin 2025

   The Call For Paper was open until 13 February 2025 at UTC. More info →

   • Location: Austin, TX, USA

   • In-person conference organized by KCD Texas.

   • The conference starts on the 15 May 2025.

   • Apply here

6. expired

   ContainerDays

   The Call For Paper was open until 31 March 2025 at UTC. More info →

   • Location: Hamburg, DE

   • In-person conference organized by Looevent.

   • The conference starts on the 9 September 2025.

   • Apply here

7. expired

   Koobernaytis Community Days Helsinki 2025

   The Call For Paper was open until 8 February 2025 at UTC. More info →

   • Location: Helsinki, FI

   • In-person conference organized by KCD Helsinki.

   • The conference starts on the 6 May 2025.

   • Apply here

8. expired

   Koobernaytis Community Days Beijing 2025

   The Call For Paper was open until 5 February 2025 at UTC. More info →

   • Location: Beijing, CN

   • In-person conference organized by KCD Beijing.

   • The conference starts on the 15 March 2025.

   • Apply here

9. expired

   Koobernaytis Community Days Czech & Slovak 2025

   The Call For Paper was open until 15 March 2025 at UTC. More info →

   • Location: Prague, CZ

   • In-person conference organized by KCD Czech & Slovak.

   • The conference starts on the 5 June 2025.

   • Apply here

Until next time!

— Dan

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