Kubernetes
Understanding networking in Kubernetes
by Peter Jausovec
Explore an in-depth analysis of Kubernetes networking, including container-to-container, pod-to-pod, pod-to-service, ingress, and egress communication. Understand the key roles of Container Network Interface (CNI), kubelet, kube-proxy, and learn about iptables and IPVS modes in kube-proxy.
Cloud Native Jobs June 2023
Recent posts
Kubernetes
Understanding networking in Kubernetes
Explore an in-depth analysis of Kubernetes networking, including container-to-container, pod-to-pod, pod-to-service, ingress, and egress communication. Understand the key roles of Container Network Interface (CNI), kubelet, kube-proxy, and learn about iptables and IPVS modes in kube-proxy.
Service Mesh
Using Istio ServiceEntry to configure external services
Learn how to use the Istio ServiceEntry resource to represent external services, be it as IP addresses or host names.
Service Mesh
How to apply Istio DestinationRule across the mesh?
An interesting question came up today in Istio Slack where someone asked if and how one can apply DestinationRules globally to all workloads inside the cluster. The short answer is yes, and this article will explain how to do it.
Service Mesh
How to configure rate limiter in Istio
In this article you'll learn how rate limiting works in Envoy and how to configure a local rate limiter on the worloads inside the mesh, as well as at the edge of the mesh for the ingress and ingress gateways.
Service Mesh
How to expose custom ports on Istio ingress gateway
This article explains how to expose custom ports on the Istio ingress and how can you use the same host name, but different port, and route the traffic to two (or more) Kubernetes services.
General
Top Cloud-Native Certifications and Learning Resources
A quick overview of top cloud-native certifications - where to take them, how much the certifications cost and which learning resources to use.
Kubernetes
Portainer - UI for managing Containers
Portainer is an open-source, lightweight management UI that allows us to easily build and manage containers. This article explains how to install Portainer on a Kubernetes cluster and how to create a namespace and deploy an app.
General
Traefik Proxy 2.x and TLS 101
The challenge that I'll explore today is that you have an HTTP service exposed through Traefik Proxy and you want to deal with the HTTPS burden (TLS termination), leaving your pristine service unspoiled by mundane technical details.
Kubernetes
Kubernetes CLI (kubectl) tips you didn't know about
A collection of more than 20 useful and practical Kubernetes CLI tips from the Kubernetes community.
Service Mesh
Setting up SSL certificates with Istio Gateway
SSL certificates are a must these days. They helps protect the data being sent between the server and the client by encrypting it, which gives your website more credibility. In this blog post I will explore a couple of different ways you can obtain SSL certificates and configure the Istio Gateway to use them.
Kubernetes
ArgoCD Best Practices You Should Know
This article contains a set of 10 best practices for Argo Workflows, ArgoCD, and Argo Rollouts.
AI
Running AI On OCI Ampere A1 Instance
In this article, I will demonstrate easy steps of preparing and launching compute-intensive AI applications on OCI Ampere A1 shape to take advantage of the best-in-class AI inference performance of Ampere Altra processor and Ampere Inference Optimizer (AIO).
- Understanding networking in KubernetesMay 31, 2023, Peter Jausovec
- Using Istio ServiceEntry to configure external servicesFebruary 10, 2023, Peter Jausovec
- How to apply Istio DestinationRule across the mesh?February 3, 2023, Peter Jausovec
- How to configure rate limiter in IstioSeptember 8, 2022, Peter Jausovec
- How to expose custom ports on Istio ingress gatewayAugust 1, 2022, Peter Jausovec
- Top Cloud-Native Certifications and Learning ResourcesJuly 26, 2022, Peter Jausovec
- Portainer - UI for managing ContainersJune 2, 2022, Anuja Kumari
