Using minikube is a great way to learn Kubernetes, without all of the overhead/complexity of installing a full fledged Kubernetes deployment.

In a nutshell, minikube is local Kubernetes.

As Kubernetes/minikube are container orchestration tools, you need something to run the 'pods'.

For minikube, this can be Docker, …

Installing Docker on Ubuntu 20.04

1. Update the apt package index:

sudo apt update

2. Uninstall old version(s):

sudo apt remove docker docker-engine docker.io containerd runc

3. Set up the Docker apt repository:

sudo apt install ca-certificates curl gnupg lsb-release -y

4. Add Docker's GPG key:

curl -fsSL …

These instructions/screenshots were from an UDM Pro running:

UniFi OS UDM Pro 1.11.0 UniFi Network Application 7.0.23

Why

From the FBI field office in Portland:

Your fridge and your laptop should not be on the same network.¹

If those cheap "smart" lightbulbs you bought off Amazon get compromised because of …

I have a Pi-hole Docker container running on my NAS, but DNS functionality is too important to have a single point of failure.

If something were to happen to my NAS, my home network would have no DNS resolution, which brings the network to it's knees.

I had been using a Raspberry Pi as my second DNS server, running …

Upgrading Pi-hole is easy:

pihole -up

However, this doesn't work if you're running a Docker container.

docker exec -it pihole pihole -up
Function not supported in Docker images

To get Pi-hole Docker container upgraded, you have to force Docker to pull the latest Pi-hole version and redeploy the container.

docker pull …

I've been using Wireguard for a few months now, and the performance has been great, with zero stability issues.

I started by using a virtual machine for the Wireguard server, and once I got the configuration ironed out, then moved it to a Docker instance.

I later discovered that my Ubiquiti Ultimate Dream Machine Pro …