需要使用编译方式安装，清访问：Centos源码编译安装配置Nginx

1、查询是否已经安装了nginx

rpm -qa|grep nginx
#如果有安装了 ，执行rpm -e nginx卸载

2、下载nginx rpm包并安装

wget http://nginx.org/packages/centos/7/x86_64/RPMS/nginx-1.18.0-1.el7.ngx.x86_64.rpm
#也可去http://nginx.org/packages/centos/7/x86_64/RPMS/找合适的版本
rpm -ivh nginx-1.18.0-1.el7.ngx.x86_64.rpm
#默认安装位置/etc/nginx/，配置文件/etc/nginx/nginx.conf
#如果提示需要依赖可以使用yum安装解决
yum install nginx-1.18.0-1.el7.ngx.x86_64.rpm

3、启动、重启、停止nginx

systemctl start nginx
systemctl status nginx
systemctl stop nginx

4、设置开机自启动

systemctl enable nginx
systemctl list-unit-files|grep nginx

5、关闭防火墙

#如果其他主机无法访问，需要关闭防火墙
systemctl stop firewalld
systemctl disable firewalld

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