The proper way to restart Nginx after a configuration change is to use the built in signals. As noted on the Nginx Wiki, the following signals are presently supported:

    * TERM, INT - Quick shutdown
    * QUIT - Graceful shutdown
    * HUP - Configuration reload: Start the new worker processes with a new configuration, Gracefully shutdown the old worker processes
    * USR1 - Reopen the log files
    * USR2 - Upgrade Executable on the fly
    * WINCH - Gracefully shutdown the worker processes
【 在 babam (babam) 的大作中提到: 】
: g了一下，看网上说 有方法可以 平滑重启
: 他用的是这个命令
: kill -HUP `cat /data/nginx/logs/nginx.pid`
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FROM 221.137.223.*