chainhead

Introduction

Installation

• https://www.keycloak.org/docs/latest/server_installation/
• https://medium.com/@hasnat.saeed/setup-keycloak-server-on-ubuntu-18-04-ed8c7c79a2d9
• Ubuntu 18.04, 4 GB RAM
• Pre-requisite: sudo timedatectl set-timezone Asia/Kolkata

Install Java

chainhead

Introduction

This gist describes an MQTT client writing sensor data to an Server Sent Events (SSE) end-point.

Getting started

git clone https://gist.github.com/chainhead/715e48a2f157e2bfe3f012f587f8bf5b
npm i express mqtt
node server.js

chainhead

Introduction

cert-manager is a native Kubernetes certificate management controller. It can help with issuing certificates from a variety of sources, such as Let’s Encrypt, HashiCorp Vault, Venafi, a simple signing key pair, or self signed. For more details, see here.

• Introduction
  • Installation on Kubernetes
  • Issuer and Certificate
    • Extract CA and certificate

Installation on Kubernetes

chainhead

Introduction

This file documents the steps I followed to create and deploy an application to an OpenShift cluster. These instructions have been gathered after much trials and tribulations on maxcOS Mojave - YMMV.

Installation - minishift

Since this is an educational exercise, I used minishift - an OpenShift cluster that is just enough to get started. To work with minishift, a CLI tool oc is also installed.

Pre-requisites