containers, packaging, programming, hacks, kubernetes, openshift, fedora, centos
Step by step guide to add new node
To setup a multi-node Kubernetes cluster just run this script and you will have a cluster with 3 masters and 3 workers.
Kubeadm to install Single Node K8S with SELinux
Start a single node fedora machine, using whatever method but I have used this Vagrantfile to do it:
Kubernetes HostPath volume good way to nuke your Kubernetes Nodes
This post will demonstrate how Kubernetes HostPath volumes can help you get access to the Kubernetes nodes. Atleast you can play with the filesystem of the node on which you pod is scheduled on. You can get access to other containers running on the host, certificates of the kubelet, etc.
Access the etcd in OpenShift started by oc cluster up
How do you access the etcd that is being used by the OpenShift started by oc cluster up or using minishift.
Easy way to change namespace in Kubernetes
There is no easy way to change namespace in Kubernetes using kubectl command line utility. But here are some commands that you can alias in your bashrc file so that it’s just a single command that you can use to change the namespace in the Kubernetes cluster.
Setting up Prometheus with any application
This post is very specific to OpenShift and how you can have an application exposing prometheus metrics to be scraped by a prometheus running in the same cluster.
A guide to how would you download image from private container registry in minikube
I am doing Kubernetes native development using minikube. And for doing that I had to download a Container image that is available in internally hosted private container registry.
Extension to the Kelsey Hightower's tutorial on 'Standalone Kubelet'
I wanted to try out Standalone Kubelet Tutorial of Kelsey Hightower by myself but I could not follow it as it is, because it was firstly on GCE and secondly it uses CoreOS, but since I am very familiar to Fedora I thought of following that tutorial on it. To get a quick setup of a fresh Fedora machine use Vagrant. I have used Vagrantfile available here.
List of all the Kubernetes and OpenShift meetup event reports
List of all the event reports from Kubernetes Bangalore meetup.
Places you can find learning material for Kubernetes
Following is the list of all the places you can learn Kubernetes from: