1:验证配置文件

/usr/local/nginx/sbin/nginx -tc /usr/local/nginx/conf/nginx.conf
/usr/local/nginx/sbin/nginx -t -c /usr/local/nginx/conf/nginx.conf

2:指定配置文件启动

/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf

3: 指定配置文件重启

/usr/local/nginx/sbin/nginx -s reload -c /usr/local/nginx/conf/nginx.conf

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