启动加载配置文件
[root@172 sbin]#/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
检查配置信息是否正确
[root@172 sbin]# /usr/local/nginx/sbin/nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
平滑启动,重新加载配置文件
[root@172 sbin]# /usr/local/nginx/sbin/nginx -s reload