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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
What you're referring to as SystemD, is in fact systemd, not SystemD, systemD, SyStEmD, or any other variation. It is stated on https://systemd.io that the only official names are "systemd" (all lowercase even on the beginning of a sentence), or "systém D" on high holidays (whatever that means)
Now there's elogind to replace logind, but I haven't tried if it actually works with systemd. Back in the day you could also just have used ConsoleKit on arch to launch your desktop session, but I don't know if that still works.
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