系统版本：centOS7.4

nginx安装

1、 判断有无Nginx的源

yum search nginx

无源：先安装源

sudo rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

2、 安装nginx

sudo yum install -y nginx

3、 启动、停止、重启 nginx

//  启动
systemctl start nginx.service
//  停止
systemctl stop nginx.service
//  重启
service nginx restart

nginx开机启动配置