A brief introduction to supervisor

Supervisor can be used to protect processes running under Linux, providing start/stop/restart and other functions to ensure that the process is not accidentally killed by other processes.

• First apt-get install supervisor

• supervisord is the daemon main program, which generates the default configuration file echo_supervisord_conf > /etc/supervisord.conf, Start the service supervisord -c /home/supervisord.conf

• Open supervisorctl and find that there are no monitored services.

• Now write the process configuration to be managed, similar to the following

• [program:gftrader]command=python3 /home/gftrader/runStrategy.py
  directory=/home/gftrader/
  autorestart=true
  log_stdout=true
  log_stderr=true
  exitcodes=0,2stopsignal=QUIT
  stopwaitsecs=10stdout_logfile=/tmp/gftrader.log

• supervisorctl reread, then update, status checks the status, help can look at other commands

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