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

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启动nginx出现：

[root@WALKER sbin]# ./nginx
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
nginx: [emerg] still could not bind()

错误原因：

出现这种情况一般是80端口被占用了

解决方法：

关闭80端口

[root@WALKER sbin]#  fuser -k 80/tcp
80/tcp:              71622 71623

然后启动nginx启动成功了！！！

如果报错“-bash:fuser”，参考此链接

报错“-bash: fuser: 未找到命令”

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