nginx參數默認值html
http://nginx.org/en/docs/http/ngx_http_core_module.htmllinux
https://www.linuxdashen.com/nginx%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E4%B9%8B%E9%85%8D%E7%BD%AE%E7%BC%93%E5%86%B2%E3%80%81%E8%B6%85%E6%97%B6%E3%80%81%E5%8E%8B%E7%BC%A9%E5%92%8C%E6%97%A5%E5%BF%97nginx
https://www.mtyun.com/library/how-to-optimize-nginxsegmentfault