I’m running Duplicati on a Mac from launchd as follows:
/Applications/Duplicati.app/Contents/MacOS/duplicati-server --webservice-port=8200 --log-file=/Library/Logs/duplicati_server.log --verbose=true
but the file duplicati-server.log remains empty. The LaunchDaemon has set stdout to /Library/Logs/duplicati_out.log and stderr to /Library/Logs/duplicati_err.log. duplicatie_err.log is not created (a good thing, I guess) and duplicati_out.log only contains “Server has started and is listening on 127.0.0.1, port 8200”, so it works. duplicati_server.log remains empty.
How can I get a bit more information about what is going on?