Dusted off the Pi and making changes - How is dump1090-fa starting?

The mx-linux is NOT totally systemd free. By default, it boots to a systemd free os, but the grub menu has “advance option” through which one gets choice to boot with or without systemd. It is possible to change default to boot with systemd by editing grub.

Couple of months ago I have installed mx-linux on my x86 PC on VM, and installed dump1090-mutability, Piaware, FR24 feeder, Planefinder feeder and Radarbox24 feeder. Details are here.

https://forum.flightradar24.com/threads/11137-How-to-Feed-Data-to-Multiple-Sites-A-Brief-Guide?p=111008&viewfull=1#post111008

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There is another distro “StretchDog”, which also gives choice to boot with or without systemd. By default it boots without systemd,but this can be changed by editing file /boot/menu.lst