CENTOS7 NGINX
RESTART and RELOAD NGINX are now unavailable. NGINX is listening on port 80, and domain name binding is OK. But the service cannot be restarted.
The error is reported as follows:
nginx: [emerg] bind() to 0.0.0.0:80 failed
What does it mean? Has anyone encountered this problem?
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Is it caused by an error in modifying the Nginx configuration? Nginx -t take a look.