[cp9]

I only have good things to say about systemd. it's much easier to reason about dependencies, and timers always fire when they should. It's also much easier to debug why a timer isn't working because you can `systemctl run my-job.service` and run that job in exactly the same environment it'll run in with the timer. Yes, it's two files to describe the job instead of just crontab but it comes with a ton of advantages