On Linux, to run MMDVMHost as a daemon, set "Daemon=1" in the ini file. 

It is possible to run the MMDVMHost via systemd, if this method is used, then
the following does not apply, and Daemon should be set to 0 in the ini file.

When Daemon is set, MMDVMHost will attempt to drop privileges to user "mmdvm" and 
group "mmdvm". If this user and group do not exist on your system, an error 
will occur and MMDVMHost will not start. 

To add these users, please do the following from the Linux command line:

groupadd mmdvm
useradd mmdvm -g mmdvm -s /sbin/nologin
usermod mmdvm -G dialout

Note, without the last line, MMDVMHost will not be able to open the modem. 

Also note, when running as a daemon, STDIN, STDOUT and STDERR are closed, so 
you must use MQTT to capture logging. The paths to the other files (DMRIds,
RSSI, etc) should be absolute and not relative as the current working directory
is set to "/" when the program is being run as a daemon.

Simon - G7RZU