Arthur C. Clarke said “Any sufficiently advanced technology is indistinguishable from magic.” And it’s still magical when you understand how it works. 3D printers are here, they’re cool, and there is a large and enthusiastic open source 3D printer movement.
Systemd, Lennart Poettering's new init system that is taking the Linux world by storm, is all full of little tricks and treats. Today we will play the slow-boot blame game, and learn to how stop services so completely the poor things will never ever run again.
In last week's Weekend Project, we learned what the Arduino platform is for, and what supplies and skills we need on our journey to becoming Arduino aces. Today we'll hook up an Arduino board and program it to do stuff without even having to know how to write code.