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February 20, 2024

Public Key Infrastructure 1 of 3 – Basics

In 2021, I wrote an intro to Public Key Infrastructure (PKI). Now that I have to host my own certificate authority, I decide to dive…

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July 28, 2023

Authentication to kube-apiserver via OIDC

Background There are many benefits of using OIDC to authenticate to kube-api server, especially with multiple clusters that need consistent log-in experience. With the last…

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June 14, 2022

Etcd – the key-value store for Kubernetes

Etcd in Kubernetes In Kubernetes architecture, etcd is the data store. It stores the desired state of Kubernetes object. API server is the only client…

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April 8, 2021

Public Key Infrastructure (PKI) – Introduction

A public-key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates…

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January 16, 2020

Nginx as a reverse proxy for Nifi web UI and Kibana

Nginx can act as a application neutral proxy. One example is to front Nifi. The nifi default configuration provides an HTTP access point, specified in…

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