nginx 的启动、停止与重启,nginx重启


详解

./nginx  #打开 nginx
nginx -s reload|reopen|stop|quit  #重新加载配置|重启|停止|退出 nginx
nginx -t   #测试配置是否有语法错误

nginx [-?hvVtq] [-s signal] [-c filename] [-p prefix] [-g directives]

-?,-h           : 打开帮助信息
-v              : 显示版本信息并退出
-V              : 显示版本和配置选项信息,然后退出
-t              : 检测配置文件是否有语法错误,然后退出
-q              : 在检测配置文件期间屏蔽非错误信息
-s signal       : 给一个 nginx 主进程发送信号:stop(停止), quit(退出), reopen(重启), reload(重新加载配置文件)
-p prefix       : 设置前缀路径(默认是:/usr/local/nginx/-c filename     : 设置配置文件(默认是:/usr/local/nginx/conf/nginx.conf)
-g directives   : 设置配置文件外的全局指令

 

-s signal      Send a signal to the master process.  The argument signal can be one of: stop, quit, reopen, reload.
                    The following table shows the corresponding system signals:

                    stop    SIGTERM
                    quit    SIGQUIT
                    reopen  SIGUSR1
                    reload  SIGHUP

SIGNALS
     The master process of nginx can handle the following signals:

     SIGINT, SIGTERM  Shut down quickly.
     SIGHUP           Reload configuration, start the new worker process with a new configuration, and gracefully shut
                      down old worker processes.
     SIGQUIT          Shut down gracefully.
     SIGUSR1          Reopen log files.
     SIGUSR2          Upgrade the nginx executable on the fly.
     SIGWINCH         Shut down worker processes gracefully.

 

回到顶部

停止

查看进程号:

$ ps -ef|grep nginx
root      5747     1  0 May23 ?        00:00:00 nginx: master process /usr/local/nginx/sbin/nginx
500      12037  7886  0 10:00 pts/1    00:00:00 grep nginx
nobody   25581  5747  0 Sep27 ?        00:01:16 nginx: worker process      
nobody   25582  5747  0 Sep27 ?        00:01:25 nginx: worker process      
nobody   25583  5747  0 Sep27 ?        00:02:59 nginx: worker process      
nobody   25584  5747  0 Sep27 ?        00:02:05 nginx: worker process

杀死进程:

$ kill -9 5747
回到顶部

重启

1. 验证nginx配置文件是否正确

进入nginx安装目录sbin下,输入命令:

$ ./nginx -t
…… nginx.conf syntax is ok
…… nginx.conf test is successful

看到如上显示,说明配置文件正确!

2. 重启nginx服务

进入nginx安装目录sbin下,输入命令:

# ./nginx -s reload
或者
# kill -HUP 5747

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