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If you can fit it in your image, systemd is amazing for embedded. Dependency tracking, auto service restarts on crash, unified start/stop and enable/disable, even journald is nice with per-unit unified logging.

It is miles better than SysV or monit. I haven't needed to try the 'suggested' replacements like runit or openrc.

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Which are all great festures for devices where you'll have interaction. Auto restart on failure has been done for years, so the weight of systemd doesn't justify it for us. We'll have a single binary service, so dependency tracking isn't really a problem. Same for journald. 100% of the useful logs will be moved off the device, so the system journal isn't useful.

Not every nail needs to be hut by the systemd hammer. We've had really fantastic and light weight init systems for decades without all the bloat and creep of systemd.

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