Nginx(二) nginx 无法启动

有时候在客户端输入：nginx

但是终端会输出以下，显示启动失败

nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use)
nginx: [emerg] still could not bind()

这时候可以输入：ps -ef| grep nginx

终端会输出以下，显示占用的端口

    0   551     1   0  9:22PM ??         0:00.01 nginx: master process nginx
   -2   614   551   0  9:26PM ??         0:00.00 nginx: worker process
    0   618   606   0  9:27PM ttys000    0:00.00 grep nginx

然后输入：kill 551

来停止该端口进程。

再在终端输入：nginx

然后在浏览器输入：http://127.0.0.1:8080/

就会显示启动正常。

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