在ubuntu上启动nginx返回未知错误

Question

当我在 Ubuntu 上启动 NGINX 时，它返回这样的错误。我已经更改了服务器端口，但它不起作用。

nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Unknown error)
nginx: [emerg] bind() to [::]:80 failed (98: Unknown error)

Answer 1

检查现有进程：确保没有其他进程已在侦听端口 80。您可以使用以下命令进行检查：

sudo netstat -tuln | grep :80