A collection of concise write-ups on small things I learn day to day across a variety of languages and technologies. These are things that don't really warrant a full blog post. These are things I've picked up by Learning In Public™ and pairing with smart people at Hashrocket.
https://dev.to/jbranchaud/how-i-built-a-learning-machine-45k9

It's an interactive Unix filter for command-line that can be used with any list; files, command history, processes, hostnames, bookmarks, git commits, etc.

Cockpit makes Linux discoverable. You don’t have to remember commands at a command-line.
See your server in a web browser and perform system tasks with a mouse. It’s easy to start containers, administer storage, configure networks, and inspect logs. Basically, you can think of Cockpit like a graphical “desktop interface”, but for individual servers.

Ubuntu page for the UFW, a firewall for linux. The page describes how to get status, enable and disable rules.

...but it knows what's on your system and can help you get things done.

Beepy is a portable computing device, with a beautiful high contrast, high resolution display, and a tactile keyboard + touchpad, it is the ultimate everyday hacking gadget.
Powered by the Raspberry Pi Zero W (or any other compatible SBCs), you can use it as a chat device (supporting all chat networks on Beeper e.g. iMessage/WhatsApp/Signal/etc. ), or use it as a hackable handheld cyberdeck, running any Linux application that runs on the Pi.