Openshift provides multiple options to expose the application to external traffic. When you deploy a pod in openshift, kubernetes allocates the internal IP address for each pod. If you are deploying an nginx container to serve the webpage, the nginx pod will have a unique internal IP address but it can’t be accessed outside the […]
kubernetes
kubernetes – Traefik Middlewares – Part 5
Middleware helps to tweak the requests before reaching the actual service in kubernetes. Traefik support multiple middleware and one can use them depending on their needs. Some of the middleware helps with basic authentication, and some of the middleware helps with redirection. Middleware also helps to modify the request headers for incoming requests. The following […]
kubernetes traefik – Managing TLS Certificates – Part 4
How to configure HTTPS for your applications on the Kubernetes cluster? How to manage TLS certificates using traefik? Traefik proxy is a very popular ingress controller in kubernetes environments. It supports both HTTPS (router) and TLS connections. This article explains how to configure TLS connection and obtain TLS certificates dynamically using pebble (Only for the […]
Kubernetes – Setup Dynamic NFS Storage Provisioning – helm
Dynamic volume provisioning helps to reduce manual efforts by provisioning volumes dynamically. If you do not have dynamic volume provisioning, admins might end up creating the volumes manually and create PersistentVolume to represent in Kubernetes for storage. To enable dynamic storage provisioning, we need to create a storage class with the provisioner. The provisioner is […]
kubernetes ingress controller using traefik – Part 3
Kubernetes ingress is an API object that manages the external access to the kubernetes services. It provides routing rules to provide external users access to the services in a Kubernetes cluster, typically via HTTPS/HTTP. Ingress helps to provide an easy method to access the services without creating multiple load balancers or using the NodePort. In […]
Kubernetes bare-metal load balancer – MetalLB deployment – Part 2
How to install and configure the MetalLB load balancer on the Kubernetes cluster? MetalLB uses a standard routing protocol to provide a network load-balancing solution for bare metal kubernetes clusters. Kubernetes doesn’t offer any network load balancers for bare-metal implementation. It does have peace to code to call the Cloud network load balancers if you […]
How to build a docker image using Dockerfile?
In this article, I will walk you through the various methods of building docker images and updating the existing image. Docker has played a major role in the microservice revolution. In today’s world, all the new application development targets the container environment to speed up the release cycle. In the containerized environment, changes are frequently […]
Kubernetes in a docker – Explore “Kind” k8s cluster tool
kind is primarily testing the kubernetes cluster locally with very minimal resources. Kind – Kubernetes in docker spins up the docker container as a node. If you are new to Kubernetes and looking for a k8s environment to practice, kind is the right tool. Minikube is another famous kubernetes available for developers and testing. Minikube […]
Prepare like a Pro – Certified Kubernetes Administrator (CKA) – exam & study tips
Cloud-native computing foundation (CNCF) issues CKA and CKD certifications in collaboration with the Linux foundation. Certified Kubernetes Administrator (CKA) is primarily for DevOps engineers and Kubernetes cluster administrators. CKD is primarily for developers. Like most of the RedHat examinations, CKA is a practical online exam and problems need to be solved in the Linux command […]
Kubernetes Storage – Dynamic NFS-Client Provisioner
NFS subdir external provisioner is an automatic provisioner that uses your existing and already configured NFS server to support dynamic provisioning of Kubernetes Persistent Volumes via Persistent Volume Claims. This article will walk you through how to deploy NFS Subdir External Provisioner to the k8s cluster and create the PV using the NFS backend storage. We just need […]