windows下启动nginx闪退

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                         windows下启动nginx闪退

win10安装nginx，启动nginx访问不到，网上找半天没找到，后来发现如此简单，特此总结如下：

1、记住看日志，特别是像nginx这样，启动完不管正常与否都是dos窗口闪一下就没掉，不看日志没办法追踪问题；
日记在/logs/error.log
我的端口号占用的错误日志内容

2018/12/07 08:24:19 [emerg] 81076#26960: bind() to 0.0.0.0:80 failed (10013: An attempt was made to access a socket in a way forbidden by its access permissions)
2018/12/07 08:24:57 [emerg] 77472#74428: bind() to 0.0.0.0:80 failed (10013: An attempt was made to access a socket in a way forbidden by its access permissions)
2018/12/07 08:25:12 [emerg] 63072#43048: bind() to 0.0.0.0:80 failed (10013: An attempt was made to access a socket in a way forbidden by its access permissions)
2018/12/07 08:27:54 [emerg] 80940#71200: bind() to 0.0.0.0:80 failed (10013: An attempt was made to access a socket in a way forbidden by its access permissions)
2018/12/07 08:32:34 [notice] 63952#72756: signal process started

2、80端口占用，换端口，从新来。注意换完端口后就不能再直接输入localhost访问，需要加改变后的端口访问，如图。

端口号被占用的解决办法：https://blog.csdn.net/ytm15732625529/article/details/79058372