Adding Node to a cluster

In this blog, I will try add a new node to the already running cluster. My Cluster Steps to follow Install docker Install kubeadm, kubectl & kubelet Join the cluster using the token Check the node has joined the cluster Step 1: Install docker When adding repo make sure the repo has been added successfully […]

Upgrading K8S cluster

In this blog I will talk about how you can upgrade a node and the kubernetes cluster version to a specific version. I have a 6 node local Kubernetes cluster like below and as evident one of the node is having a different version than the others 1.22.4 which gave me the opportunity to apply […]

Docker: Clean in Bulk

I will define the problem I was facing Too many snapshots versions for the same image were there on my system Freaky developer So to delete there was one hard hack way of cleaning it all That would have killed all the dangling images but still left many I wished cleaned. Light bulb moment So […]

K8S RBAC

What? Role Based Access Control(s) is a way of regulating access to entities like storage, network etc. RBAC authorization uses rbac.authorization.k8s.io API group. API Objects There are 4 kind of kubernetes object Permissions are always additive. Role Role allows you to set permissions within a particular namespace. When you define a Role you have must […]