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nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

报错信息

nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)

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定位方法

1.先使用ps -e | grep nginx查看是否已经启动了nginx

2.如果没有的话则按照提示，查看0.0.0.0:80端口谁占用了，使用netstat -ltunp命令，可以看到

Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 127.0.0.1:10000             0.0.0.0:*                   LISTEN      1177/php-fpm
tcp        0      0 0.0.0.0:80                  0.0.0.0:*                   LISTEN      1109/httpd
tcp        0      0 0.0.0.0:21                  0.0.0.0:*                   LISTEN      836/vsftpd
tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      823/sshd
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      1073/mysqld

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可以看到0.0.0.0:80端口被httpd这个进程占用了（也就是apcache占用）

nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

标签：fail   tag   http   ted   启动   col   prot   tle   read   

原文地址：https://www.cnblogs.com/maohuidong/p/9501925.html