nginx菜鸟教程二

--查看ngix是否在运行
[root@localhost sbin]# ps aux|grep nginx
root       953  0.0  0.0   3492   516 ?        Ss   07:09   0:00 nginx: master process ./nginx
nobody     954  0.0  0.0   3676   876 ?        S    07:09   0:00 nginx: worker process
root       967  0.0  0.0   4356   724 pts/2    S+   07:12   0:00 grep nginx
--其中master为主进程
--其中worker真正工作者
--杀掉nginx进程


--nginx的信号控制
--------------------------------------------------
TERM,INT | Quick ShutDown
---------------------------------------------------
QUIT     | Graceful shutdown 优雅的关闭进程,即等请求结束后再关闭
---------------------------------------------------
HUP     | Configuration reload,Start the new worker processes with a new configuration Gracefully shutdown the old worker process
         | 改变配置文件,平滑的重读配置文件
----------------------------------------------------
USR1     | Reopen the log files 重读日志,在日志按月/日分割时有用
----------------------------------------------------
USR2     | Upgrade Executable on the fly 平滑的升级
----------------------------------------------------
WINCH    | Gracefully shutdown the woreker processes 优雅的关闭旧的进程(配合USR2来进行升级)
-----------------------------------------------------
kill -INT (进程号)
kill -HUP (进程号)
kill -USER1 (进程号)(日志切割)
--touch ./logs/access.log
kill -信号控制 'cat logs/nginx.pid(等于进程号)'

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