Ever found yourself needing to peek inside a container image without the hassle of pulling it? Or perhaps you wished for a smoother way to transfer images between registries without the Docker daemon breathing down your neck? Enter Skopeo — the command-line tool that lets you inspect, copy, and even sign container …

In an effort to balance power efficiency with my tendency to hoard old hardware, I decided to move my overpowered Pi-hole setup from a Mac Mini to a Raspberry Pi 2. (Yes, the Pi 2! A true relic from the past, but still kicking.) Everything was going smoothly — static IP, hostname set, network configured — until I ran …