默认安装的1.16.1版本的nginx.conf配置文件如图：
默认安装后用普通用户检查配置文件会发现报错：
[wps@bogon ~]$ nginx -t
nginx: [alert] could not open error log file: open() "/var/log/nginx/error.log" failed (13: Permission denied)
2020/05/19 13:02:25 [warn] 10218#10218: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:2
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
2020/05/19 13:02:25 [emerg] 10218#10218: open() "/var/run/nginx.pid" failed (13: Permission denied)
nginx: configuration file /etc/nginx/nginx.conf test failed
因为安装用了sudo，所以，默认安装需要切换到root用户：
su root
nginx -t
如图：
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