Menu

Virtual Geek

Tales from real IT system administrators world and non-production environment

Blog posts : "k8s"

Using MetalLB as LoadBalancer service to Kubernetes bare metal

The intent of this Load balancer is to spread the workload among different servers or applications. It can be set up on both physical and virtual infrastructures. The load balancer traces the accessibility and availability of pods with the Kubernetes Endpoints API. When it gets an app request for a …

Read more

Setup HAProxy for Ingress Controller Kubernetes Cluster

In earlier article I configured Setup and deploy Ingress controller for Kubernetes on Bare Metal servers. To get the web url working in the browser I had used local hosts file to add DNS host entries under directory /etc, but everytime I try the dns url in the browser it was taking me to the fir…

Read more

Setup and deploy Ingress controller for Kubernetes on Bare Metal servers

After install, setup and configuration of Kubernetes Cluster in my bare metal servers, I wanted to do the POC (proof of concept) of Ingress resource for one of the production environment. 

Kubernetes Ingress is an API entity that lets entry to your Kubernetes services from outside network. It p…

Read more

Kubernetes kubeadm join could not find a jws signature in the cluster-info ConfigMap for token ID

While configuring Kubernetes cluster using kubeadm tool and joining Worker nodes into the cluster I receiving below error.

kubeadm join token discovery token ca cert hash preflight kubernetes cluster api server jws signature cluster-info configmap control-plane k8s master node worker node.jpg

Another error: Kubernetes kubeadm join couldn't validate the identity of the API server connection refused

Complete articles:
Configure Nginx Load Balancer for the …

Read more

Install and configure Kubernetes cluster worker nodes using kubeadm - Part 3

In this third part of configuration of Kubernetes cluster I have completed earlier part of a blog Install and configure Kubernetes cluster master nodes using kubeadm - Part 2. I have three Ubuntu server nodes installed in my lab for Worker nodes to add in Kubernetes cluster using kubeadm tool. Be…

Read more

Configure Nginx Load Balancer for the Kubernetes API Server - Part 1

Although I have written two articles for installation and configuration Kubernetes cluster, it was built with very basic configuration and tried to keep it simple. Here in this article I am configuring full fledged Kubernetes cluster requiring intermediate skills on linux.

Check my articles on …

Read more

How to install kubernetes worker node on ubuntu Part 2

This is a second part of How to install kubernetes master control-plane on ubuntu. In the Part 1 I made my master node ready. If you are following the article, after executing kubeadm init command you will receive kubeadm join command which you need to use on K8S prepared worker node. Below is the…

Read more

How to install kubernetes master control-plane on ubuntu Part 1

If you’re using containers, there’s a great possibility you’ve heard of Kubernetes, or K8s (in short). In straightforward language, Kubernetes is an open-source system for orchestrating, automating deployment, scaling, and management of containerized applications. Kubernetes is a tool intended to ge…

Read more

Create List or Remove VMware VM Snapshots with PowerCLi

This is very handy and useful PowerCLI script, when I do my labs or production deployment changes on VMware environment. Whenever I have multiple servers to make changes and wants to ensure no problem should occur after changes, I take temporary VMware snapshots. But working with snapshot manually i…

Read more

9 blog posts

Blog Search

Page Views

8559870

Follow me on Blogarama