進程守護工具supervisor的使用部署

supervisor使用：

-c/--configuration -- configuration file path (default /etc/supervisord.conf) 

指定使用的配置文件：supervisord -c /etc/supervisord.conf 
-h/--help -- print usage message and exit
-i/--interactive -- start an interactive shell after executing commands
-s/--serverurl URL -- URL on which supervisord server is listening
     (default "http://localhost:9001").  
-u/--username -- username to use for authentication with server
-p/--password -- password to use for authentication with server
-r/--history-file -- keep a readline history (if readline is available)

supervisorctl status
supervisorctl stop tomcat
supervisorctl start tomcat
supervisorctl restart tomcat
supervisorctl reread
supervisorctl update