wget https://openresty.org/package/centos/openresty.repo
mv openresty.repo /etc/yum.repos.d/openresty.repo
yum check-update
yum install -y openresty
yum install -y openresty-resty
默认安装路径：
/usr/local/openresty
启动：
/usr/local/openresty/nginx/sbin/nginx -t
/usr/local/openresty/nginx/sbin/nginx
重启：
/usr/local/openresty/nginx/sbin/nginx -s reload
