1.Nginx service is not running
80 port is not open
to restart the service systemctl restart nginx nginx
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2. Review the detailed error checking grammar Nginx nginx-t
Bao braces general description of the configuration file for syntax errors
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3./etc/hosts file does not resolve domain name
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4.server_name not end with a semicolon ";"
treminated end
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5. not found error -404
Site directory may not be created, or the configuration file nginx.conf wrong site directory
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6. Permission Denied error -403
Forbidden Permission Denied
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Analog Error: Site directory permissions changed to 000 after the test changed back to 644
[09:34 root@web01 ~]# ll /usr/share/nginx/html/www/
total 4
-rw-r--r-- 1 root root 15 Jun 5 09:00 index.html
[09:35 root@web01 ~]# curl www.oldboy.com
<html>
<head><title>403 Forbidden</title></head>
<body>
<center><h1>403 Forbidden</h1></center>
<hr><center>nginx/1.16.0</center>
</body>
</html>
7. The file does not exist error -403 Home
Home to find the file does not exist by default home page file
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8. Unable to allocate system ip address
No local ip 10.0.0.9 of
10.0.0.9:80 (failedCannot assign)
9.nginx has been launched in the use of port 80
Just tips, not an error
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Reproduced in: https: //www.jianshu.com/p/74656ab9fa4b