supervisorctl

Supervisor is a client/server system that allows its users to control a number of processes on UNIX-like operating systems. Supervisorctl is the command-line client piece of the supervisor which provides a shell-like interface. More information: http://supervisord.org.

• Show the status of a process (or all processes if process_name is not specified):
  supervisorctl status {{process_name}}
• Start/stop/restart a process:
  supervisorctl {{start|stop|restart}} {{process_name}}
• Start/stop/restart all processes in a group:
  supervisorctl {{start|stop|restart}} {{group_name}}:*
• Show last 100 bytes of process stderr:
  supervisorctl tail -100 {{process_name}} stderr
• Keep displaying stdout of a process:
  supervisorctl tail -f {{process_name}} stdout
• Reload process config file to add/remove processes as necessary:
  supervisorctl update