CurrentUnitName attempts to retrieve the name of the systemd system unit from which the calling process has been invoked.

GetMachineID returns a host's 128-bit machine ID as a string.

GetRunningSlice attempts to retrieve the name of the systemd slice in which the current process is running.

IsRunningSystemd checks whether the host was booted with systemd as its init system.

RunningFromSystemService tries to detect whether the current process has been invoked from a system service.