Learn Kubernetes Weekly issue 85
Long-live tokens, Impact of GIT branches on Argo, Surviving OOM in Java, Network traffic shaping, Bottlerocket with EKS, 2023 vulnerability roundup
26 Jun 2024
This episode/newsletter is sponsored by StormForge – Double your Kubernetes resource utilization and unburden developers from sizing complexity with the first HPA-compatible vertical pod rightsizing solution. Try it for free.
Articles
Understanding the risks of long-lived Kubernetes Service Account tokens
Thomas Segura
The article discusses the risks associated with long-lived Kubernetes service account tokens.
It also explores mitigation strategies and the benefits of using short-lived tokens.
Using the Vertical Pod Autoscaler to automate pod rightsizing
John Platt
This article will teach you about the Vertical Pod Autoscaler (VPA) to reduce operational overhead and improve cluster efficiency. You will learn how the VPA works, its architecture, how to install it, and its limitations.
sponsored
The impact of numerous GIT branches and tags on Argo CD and cloud budgets
Yahel Agassi
The article discusses the impact of numerous Git branches and tags on Argo CD.
It highlights how repository clutter can affect Argo CD's performance and Image Updater efficiency and increase NAT Gateway costs.
Surviving OOM in Kubernetes: Java applications
Yonah Dissen
This article covers Java apps' OOM issue in Kubernetes, exploring methods to capture heap dumps pre-pod restart.
It discusses using Prometheus metrics, heap dump persistence, and JVM parameters.
2023 Kubernetes vulnerability roundup
This article covers 2023 Kubernetes vulnerabilities, categorizing them based on CVSS, weakness types, impact types, and other relevant factors.
Network traffic shaping in Kubernetes: topology aware routing
adil
One challenge in cloud-distributed systems is keeping network traffic within the same availability zone.
Kubernetes introduced Topology Aware Routing to address this issue.
This ensures requests between apps remain in the same zone.
Articles worth checking out:
Double Kubernetes efficiency to optimize cost and performance
StormForge
Automated Kubernetes resource management for platform engineering teams to continuously rightsize workloads with HPA compatibility. Try it for free
Tutorials
Advanced autoscaling in Kubernetes with KEDA
John Platt
KEDA builds on the HPA to provide significantly more flexibility, easy-to-use options for various metrics, and the ability to scale applications to zero.
Learn the benefits of KEDA architecture and walk through a practical application and integration.
sponsored
What is Bottlerocket and how to use it in EKS
Vedant Pareek
This article introduces Bottlerocket, a purpose-built Linux-based operating system optimized for container hosting.
The article also discusses using Bottlerocket in EKS, highlighting the Bottlerocket Update Operator to keep nodes up-to-date.
Spring Boot SSL hot reload on Kubernetes
This tutorial explains how to hot reload SSL certificates for a Spring Boot app on Kubernetes.
It demonstrates generating SSL certificates with cert-manager, deploying apps on Kubernetes, and handling certificate rotation without restarting pods.
A practical guide to running Nvidia GPUs on Kubernetes
This guide on integrating NVIDIA GPUs with Kubernetes covers the process of installing NVIDIA GPU drivers and configuring the container runtime.
The author also explores GPU acceleration in the cloud using GKE A100.
Scaling workloads with the big savings quartet: EKS, Fargate, Karpenter and Keda
This tutorial demonstrates how to scale workloads using a combination of EKS, Fargate, Karpenter, and Keda.
The article provides a step-by-step guide on how to set up and configure these tools for optimal performance and cost savings.
Kubernetes jobs
Software Engineer with Edgemony
Salary: €35K to €50K a year
Location: remote from Italy
Tech stack: Kubernetes, AWS, Azure, GCP, Docker, Python, Mongo, PostgreSQL, MySQL
Platform Engineer with Hook Technology
Salary: £85K to £105K a year
Location: based in the office (and remote from home) in London, GB
Tech stack: Kubernetes, AWS, Docker, Terraform
Discover more Kubernetes jobs on Kube Careers →
Code & tools
SlimFaas: Function As A Service
SlimFaas is a tool for creating functions as a service on Kubernetes.
It allows you to scale to zero, supports asynchronous and synchronous calls, the retry pattern, and more.
Kernel Module Management (KMM) is an operator that manages, builds, signs and deploys out-of-tree kernel modules and device plugins.
KMM adds a CRD which describes the desired state of an out-of-tree kernel module and its associated device plugin.
KubePug is kubectl plugin which:
- Downloads a
swagger.jsonfrom a specific Kubernetes version. - Finds deprecation notices.
- Checks if the cluster has deprecated API versions.
Useful if you're upgrading to Kubernetes minor versions.
- Downloads a
scaf generates a new project structure with Kubernetes manifests in three Kustomize layers for dev, sandbox, and production.
It provides a blueprint for a new project and streamlines the development experience with Tilt.
KFtray: port-forward management
KFtray is a cross-platform system tray app for Kubernetes port-forward management.
Other interesting projects:
Upcoming Kubernetes events
Jul
2
Kubernetes Community Days Munich 2024
In-person conference organized by KCD Munich.
Location: Munich, DE
This event requires an entrance fee
Jun
26
CloudNativeSecurityCon North America
In-person conference organized by Linux Foundation.
Location: Seattle, WA, USA
This event requires an entrance fee
Jun
27
Online webinar organized by Octopus Deploy.
This is a virtual event
This is a free event.
Jun
27
Kansas City Developer Conference 2024
In-person conference organized by KCDC.
Location: Kansas City, MO, USA
This event requires an entrance fee
Jun
27
Kubernetes monitoring using managed open source technologies
In-person meetup organized by Kubernetes Austin.
Location: Austin, TX, USA
This is a free event.
Discover more Kubernetes events on Kube Events →
Kubernetes Call for Papers
expired
The Call For Paper was open until 29 June 2024 at UTC. More info →
Location: Medellín, CO
In-person conference organized by Linux Foundation.
The conference starts on the 9 October 2024.
- Apply here
expired
Kubernetes Community Days Porto 2024
The Call For Paper was open until 15 July 2024 at UTC. More info →
Location: Porto, PT
In-person conference organized by KCD Porto.
The conference starts on the 27 September 2024.
- Apply here
expired
The Call For Paper was open until 26 August 2024 at UTC. More info →
This is a virtual event
Online conference organized by Conf42.
The conference starts on the 26 September 2024.
- Apply here
expired
The Call For Paper was open until 5 August 2024 at UTC. More info →
This is a virtual event
Online conference organized by Conf42.
The conference starts on the 5 September 2024.
- Apply here
expired
The Call For Paper was open until 18 September 2024 at UTC. More info →
Location: San Francisco, CA, USA
In-person conference organized by InfoQ.
The conference starts on the 18 November 2024.
- Apply here
expired
Open Source Monitoring Conference
The Call For Paper was open until 15 August 2024 at UTC. More info →
Location: Nuremberg, DE
In-person conference organized by NETWAYS.
The conference starts on the 21 November 2024.
- Apply here
expired
The Call For Paper was open until 1 July 2024 at UTC. More info →
Location: Dallas, TX, USA
In-person conference organized by Devopsdays.
The conference starts on the 9 October 2024.
- Apply here
expired
The Call For Paper was open until 30 June 2024 at UTC. More info →
Location: Cáceres, ES
In-person conference organized by Devopsdays.
The conference starts on the 3 October 2024.
- Apply here
expired
The Call For Paper was open until 1 July 2024 at UTC. More info →
Location: Recife, BR
In-person conference organized by Devopsdays.
The conference starts on the 14 December 2024.
- Apply here
Until next time!
— Dan
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