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Disclaimer: I _still_ like systemd. My only real big pet peeve with Systemd is the documentation is somewhat lacking..., like it's all there in the manual, but

Disclaimer: I _still_ like systemd. My only real big pet peeve with Systemd is the documentation is somewhat lacking..., like it's all there in the manual, but its laid out poorly and makes it hard to understand. The interaction between unit files and dependencies is also quite convoluted when you start digging into how things are ordered. There's a ton of unit file options that enable weird conditional behavior. The moment you need to start comprehending the difference between Wants vs. Requires and not hooking into running when multi-user.target is reached (the most common situation) you are in for a world of trial-by-error testing. Systemd is great for starting simple background services on simple desktop and server environments. It becomes a real pain in the ass once you get beyond that.

deleted 5y ago
[deleted]
sofixa 5y ago
> The moment you need to start comprehending the difference between Wants vs. Requires and not hooking into running when multi-user.target is reached (the most common situation) you are in for a world of trial-by-error testing. And the worst is that the tooling to test is very limited ( non-existent). I had a problem with conflicting/circular ndependencies ( my service had to be launched before networking but after dbus, which is just impossible because dbus needs networking itself), which worked 9 times out of 10. It was nearly impossible to debug, i had to use the graph tool that shows you visually how much time each service took to start, and completely by chance i noticed that dbus started after networking, which led me to look into it.