centos 7.5 编译安装nginx

1.安装依赖库
yum install -y gcc-c++ pcre pcre-devel zlib zlib-devel openssl openssl-devel
2.下载源码
下载地址：https://nginx.org/en/download.html
本次使用：https://nginx.org/download/nginx-1.20.2.tar.gz
wget https://nginx.org/download/nginx-1.20.2.tar.gz
3.解压

tar -zxvf nginx-1.20.2.tar.gz
cd nginx-1.20.2

4.配置
默认配置
./configure
或自定义配置，可以定义安装目录和要添加的模块

./configure --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre --with-http_realip_module
make
make install

5.链接到可执行目录
ln -s /usr/local/nginx/sbin/nginx /usr/bin/nginx
6.测试
nginx -version
显示出来版本号就成功了