create /etc/supervisor/conf.d/syncthing.conf

[program:syncthing]
autorestart = True
directory = /home/toto/
user = toto
command = /usr/bin/syncthing -no-browser -home="/home/toto/.config/syncthing"
environment = STNORESTART="1", HOME="/home/toto"




sudo supervisorctl reload


supervisorctl start syncthing


supervisorctl status syncthing


supervisorctl tail syncthing