If you’re a new or intermediate Linux user or sysadmin, you might have felt an odd fascination with the myth of systemd. I invite you to this deep dive into systemd’s nuts and bolts. I’m not gonna beat around the bush: It’s a hairy business, it will be hard, but I promise juicy and satisfying rewards if you keep pumping through this guide.

Let’s start by uncovering the “D” of systemd, the secret sauce that doesn’t get the love it deserves: D-Bus.

Okay, those innuendos have to be intentional!