Will Ho

Let's Encrypt

Let's Encrypt and DNS over TLS Hell on Android

Issues with Android's Private DNS over TLS via Adguard or PiHole using Let's Encrypt TLS Certificates after the recent Root Certificate expiry.

Python

Restoring WhatsApp media exif dates and fixing duplicates

How I restored photo exif dates, video created dates and deleted duplicates in my WhatsApp media for archival to free up space on my devices.

Kubernetes

Auto-renew TLS Certificates with cert-manager

Deploy and configure cert-manager to automatically renew and forget about TLS certificates in your Kubernetes cluster, Raspberry Pi or not.

Kubernetes

Deploy Traefik on Kubernetes with Wildcard TLS Certs

How to painlessly deploy and configure Traefik v2 on Kubernetes as the Ingress Controller with automated Let's Encrypt ACME wildcard TLS certs.

Kubernetes

Kubernetes Ingress Controllers: Why I Chose Traefik

First of a 2-part series on my experience with Traefik for the past 3 years. Part 2 will focus on how you can deploy it on your Kubernetes cluster.

Valheim

I Hosted My Valheim Dedicated Server with Docker on a Rock Pi X

I set out on a voyage to find a way to self-host a dedicated server at home on the cheapest x86 single-board computer with the Raspberry Pi form factor.

Raspberry Pi

Why I sold my Raspberry Pi 4 for a Rock Pi 4

My experience of using a Raspberry Pi 4 for 6 months before selling it below market for the Rock Pi 4, and why you shouldn't buy a Raspberry Pi 4 today.

Linux

Extend The Lifespan of Your Raspberry Pi's SD Card with log2ram

Log2ram is a software that redirects logs to the memory instead of the SD Card. Here's how I used it to extend my SD Card's lifespan in my Raspberry Pi.

Linux

How to Squeeze 50% More Memory Out of Your Raspberry Pi with zram

I demonstrate how you can use zram to increase the available memory of your Raspberry Pi by more than 50% with negligible performance impact.

Kubernetes

My Kubernetes Dashboard and How To Deploy Yours

My experiences with the Kubernetes Dashboard and a step-by-step tutorial on how you can deploy your own instance on your Raspberry Pi Kubernetes cluster.

Kubernetes

Run Kubernetes on your Raspberry Pi cluster with k3s

Some fun facts about Kubernetes that you probably didn't know, caveats when running it on Raspberry Pi, and how you can set up your own cluster with k3s.

Docker

Graduating from Docker to Docker Swarm

How Docker Swarm introduced me to distributed container orchestration and established the foundations for Kubernetes.

Docker

How I Started Using Docker and Why You Should Too

I outline my voyage and pains through which I found Docker and I aim to convince just one person reading this, that Docker is worth learning and using.

Raspberry Pi

Let's Build a 28-core Raspberry Pi Cluster!

I built a 28-core gigabit cluster, Kraken, consisting of 7 Raspberry Pi 3 Model Bs.

Kubernetes

The Flaw in BGP Load-balancing in MetalLB

I was blindsided by the unavoidable violation of separation of concerns.

Raspberry Pi

How I Built a Raspberry Pi Cluster for Cheap

The first step is always the hardest, and so is the first cluster.

Self-hosting

How I Started Self-hosting

There was no plan. No really.