参考：
https://www.nginx.com/resources/wiki/start/topics/tutorials/install/
1.配置源，我这里是centos7，不同的系统版本请自行更改
[root@guo elk]# touch /etc/yum.repos.d/nginx.repo [root@guo elk]# cat >>/etc/yum.repos.d/nginx.repo <<! > [nginx] > name=nginx repo > baseurl=http://nginx.org/packages/centos/7/x86_64 > gpgcheck=0 > enabled=1 > !
2.安装，我这里一起安装了 nginx httpd-tools
yum install nginx httpd-tools -y
3.启动
systemctl start nginx.service
4.配置
vi /etc/nginx/nginx.conf