1. 禁用防火墙

   systemctl disable firewalld

   systemctl stop firewalld

   setenforce 0

2. 安装pcre库 

   yum install pcre*

3. 安装zlib库

   yum install zlib*

4. 增加nginx用户：useradd nginx -G nginx

5. 编译安装nginx：

   ./configure --prefix=/usr/local/nginx --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --user=nginx --group=nginx 

   make && make install

6. 启动nginx：

   cd /usr/local/nginx/sbin

   nohup ./nginx &

centos 7编译安装nginx