Hubert Ströbitzer
Kubernetes Trainer
Linz, Austria
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Hubert is a Kubernetes Trainer at Kubermatic, helping organizations succeed in their cloud native journey.
Prior to this, Hubert was a Software Engineer focusing on backend topics in various programming languages around the JVM. Then, the DevOps movement raised serious doubts about his work. After isolating in the Austrian Alps, fighting against wolves and dragons, he put his focus on Ops matters.
Hubert organizes the “Infrastructure as a Meetup” meetup in Austria and is a Linux Foundation trainer for CKAD. Hubert was also involved in the creation of the exam questions for the CKA and holds valid CKAD/CKA/CKS certs.
Area of Expertise
Topics
The Kubernetes and the Bazaar
Let's build a Developer Platform via KCP together - with multiple Kubernetes Clusters and multi-tenancy built in.
You will learn and build proper abstractions for service providers and service consumers and how to spread CRDs and CRs across your Kubernetes Clusters.
Lines of Defence – Securing Your Kubernetes Clusters
As we migrate more and more workloads into our Kubernetes clusters we ask ourselves: How can we make our clusters safe from vicious attacks? In this talk, Hubert will present tools which make it harder for attackers to do bad things on your clusters. Topics covered will include scanning of Images and Manifests, building gates before applications get deployed, sandboxing applications and Threat Detection. You will learn how to ensure that you are in control of what is running in your clusters. Of course, via live demos.
Prometheus for Devs
Having Microservices without proper monitoring tools is like driving the freeway without lights at night. One of those proper tools is Prometheus.
In this workshop I will discuss the general architecture of Prometheus and some basics before we will dig into coding. We will implement some metrics with Java and Spring Boot and I will bring in some gotchas on having Prometheus in production. In general this talk is about getting started with Prometheus.
Into the ServiceMesh
Deploying services to Kubernetes is only easy in theory, particularly as these services grow in size and complexity. Service discovery, service-to-service and origin-to-service security, observability, and resiliency quickly become an operators’ nightmare. Service meshes provide an infrastructure-based architectural pattern to address these challenges in a smart and centralized way.
The Service Mesh Training accelerates your understanding of service mesh and provides practical instructions for getting more out of your Kubernetes cluster. Besides general considerations on service meshes you will get deep insights on how to get things done with Istio.
The 7 deadly sins in Kubernetes
Let us jump on that Kubernetes train. It is just another tool for running my apps. Right? ... Wrong!!!
As Kubernetes becomes mainstream established companies want to benefit from the advantages Kubernetes brings in, too. However, a lot of them underestimate the technical and organizational implications they will face.
What happens if you do not care about Resource Requests and Limits? Why do you lose data because of the Shell Form in your Dockerfiles? Why do you have to reconsider how to scale your apps? Why will Kubernetes change your organizational architecture? Why do lots of projects start with one cluster and end up with lots of them?
This talk will help you understand the pitfalls of not caring about best practices in Kubernetes. You will hear war stories about failed migration projects and learn how to be successful with yours.
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