Supervisor操作命令

1. 重新加载 Supervisor 配置：

   sudo supervisorctl reread
   sudo supervisorctl update
   sudo supervisorctl restart all
   

   这将重新读取 Supervisor 的配置文件，更新进程组，然后重启所有进程。

2. 查看 Supervisor 日志：

   sudo cat /var/log/supervisor/supervisord.log
   

   这将显示 Supervisor 的日志文件，您可以查看其中的错误信息以获取更多细节。

Supervisorctl异常Case及解决方案

第一种错误Case 

supervisord -c /etc/supervisord.conf

错误 

Error: Another program is already listening on a port that one of our HTTP servers is configured to use.  Shut this program down first before starting supervisord.
For help, use /bin/supervisord -h

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第二种错误Case 

supervisorctl status

错误 

error: <class 'xmlrpclib.Fault'>, <Fault 6: 'SHUTDOWN_STATE'>: file: /usr/lib64/python2.7/xmlrpclib.py line: 794

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第三种错误Case 

supervisorctl restart all

错误 

error: <class 'xmlrpclib.Fault'>, <Fault 6: 'SHUTDOWN_STATE'>: file: /usr/lib64/python2.7/xmlrpclib.py line: 794

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第四种错误Case 

supervisorctl reread && supervisorctl update all

错误 

ERROR: supervisor shutting down
ERROR: already shutting down

Supervisorctl解决方案 

ps -aux|grep supervisor
kill -9 the_pid
supervisord
supervisorctl status

https://github.com/Supervisor/supervisor/issues/48