Python script as rc service on FreeBSD operating system

plumb_pete

I have a Python script that I would like to run in a FreeNAS jail. It works without the service daemon, but I would like to start it as a service. I have created the following service script /etc/rc.d/attendance #!/bin/sh # PROVIDE: attendance # REQUIRE: DAEMON # KEYWORD: shutdown . /etc/rc.subr name=attendance rcvar=attendance_enable load_rc_config $name : ${attendance_enable="NO"} pidfile="/var/run/${name}.pid" command="/root/Zkteco/app.py"...

Originally asked by Ukhu on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

The files in /etc/rc.d is considered part of the operating system and managed by that. You should only be working with /usr/local/etc/rc.d . Notice that this is the location rc scripts for all packages are placed as well. rc.d is a service management framework. But it does nothing to create a "service" or more accurately "to daemonize a process". It is in place to give a uniform way to handle the "services". You noticed that as your app did not drop to the background as you expected and you needed to CTRL-C out. Your expectations are not in line with what should happen. It is the responsibility of your script/program/app to daemonize itself (go to the background etc.). The rc script is only...

Full answer by Claus Andersen: https://unix.stackexchange.com/a/745349 (CC BY-SA 4.0).

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