Или 
root@www:/var/www/api# service  supervisor status
● supervisor.service - Supervisor process control system for UNIX
     Loaded: loaded (/lib/systemd/system/supervisor.service; enabled; vendor preset: enabled)
     Active: activating (auto-restart) (Result: exit-code) since Mon 2021-01-25 22:20:41 MSK; 32s ago
       Docs: 
http://supervisord.org    Process: 282897 ExecStart=/usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf (code=exited, status=2)
   Main PID: 282897 (code=exited, status=2)