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
Python项目部署后，将新项目添加到/etc/supervisor/conf.d/ 中，然后重新加载：
supervisord -c /etc/supervisord.conf
此时会报错：
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
解决方案：
找到正在运行的supervisor.sock所在位置，命令行输入：
find / -name supervisor.sock
解绑：
unlink /run/supervisor/supervisor.sock
完成后再重新加载即可：
supervisord -c /etc/supervisord.conf
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