One of the things I always like about using VMWare's ESXi servers was the ability to access the console of the virtual machine (VM).

This ability also exists when using Linux KVM and Linux VMs, and is pretty simple to set up.

Bonus points after a small config change, it's much more usable.

Enable the console from …

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

Update September 2025:

There is now a script provided by Docker.com to simplify the installation of Docker.

As with any script you download from the Internet, make sure you are aware of what the scipt does before running the script!

curl -fsSL https://get.docker.com -o get-docker.sh …

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 …