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Kubernetes

Kubernetes a.k.a k8s.

Kafka KRaft Strimzi behind Nginx ingress controller TLS/SSL

Kafka Strimzi operator is used to automate the deployment and configuration of the Kafka cluster on the Kubernetes. This blog will focus on the configuration of the mTLS behind Nginx ingress controller. The Kafka will be deployed using KRaft. As of time of writting (16.11.2023) it is not

Kubernetes introduction for begginers

Introduction Welcome to the world of Kubernetes objects, where efficiency and scalability reign supreme. In this comprehensive guide, we will delve into the art of optimizing your deployments to unlock the full potential of Kubernetes. From Pods to Services, ConfigMaps to Persistent Volumes, we will demystify each object and equip

Hardening security on Kubernetes with KubeArmor

KubeArmor provides runtime protection on Kubernetes using policies. It uses eBPF and Linux Security Modules (LSM). It can restrict any malicious or unwanted behavior by cluster uses. As you can see the Kubearmor is placed between the kernel and running pods. In this placement, it can filter out restricted actions.

Install k3s kubernetes cluster

What is k3s? K3s is a lightweight and certified Kubernetes distribution built by the Rancher. It's currently in the sandbox projects category at the CNCF. K3s is a production-grade distribution of Kubernetes which is in nature lightweight and the foremost reason for building it was the need to use Kubernetes

Kubernetes software debugging

How to debug on the Kubernetes? Even with the best designs, patterns, and processes implemented, there is a tendency for errors to show up and crash the party. If you are coming from another field or just starting up with Kubernetes - there would be needed effort and time to

Cdk8s vs Helm for Kubernetes

What is Cdk8s? Cdk8s is an open-source software development framework for defining Kubernetes applications and reusable abstractions using familiar programming languages and rich object-oriented APIs. cdk8s apps synthesize into standard Kubernetes manifests which can be applied to any Kubernetes cluster. Cdk8s definitions are written as software in one of the

How to configure Traefik on k3s?

Traffic engineering with Traefik on k3s distribution of KubernetesTraefik is one of the most popular ingress controllers on Kubernetes. Traefik v2 brought some major changes in the usage of the controller itself. It brought the approach of heavy usage of Custom Resources on Kubernetes to provide reconfigurability and expanded fields

Kubernetes 1.25 release recap

The Kubernetes release 1.25 is set to the stable version on the 23rd of August. Detailed release notes are published on the official docs. Important links are located at the bottom. In this article overview of the major topics, deprecations, and removals will be listed, and compiled description from

Traffic engineering with Traefik on k3s distribution of Kubernetes

Introduction Traefik is one of the most popular ingress controllers on Kubernetes. Traefik v2 brought some major changes in the usage of the controller itself. It brought the approach of heavy usage of Custom Resources on Kubernetes to provide reconfigurability and expanded fields of operation apart from the Ingress controller

Kubernetes Calico: Networking explained

Introduction Kubernetes networking is a complex topic. There are multiple layers present — from the containers to the underlying infrastructure. Let’s dig in. Kubernetes defined the network model and the network drivers are implementations of that model. In that way, you can have multiple network drivers implementing the model which