Nginx安装步骤

1、安装nginx依赖的库

yum install -y pcre pcre-devel
yum install -y zlib
yum install -y zlib-devel
yum install -y openssl-devel
yum install -y gcc
yum install -y gcc-c++
yum install -y wget

2、weget获取安装包

wget http://nginx.org/download/nginx-1.17.2.tar.gz

3、解压安装包

tar -zvxf nginx-1.17.2.tar.gz

4、安装nginx

./configure
make && make install

5、nginx命令

#启动
./nginx

#重启
./nginx -s reload

#关闭
./nginx -s stop

6、nginx全局变量

$remote_addr：客户端IP地址
$http_user_agent：客户端浏览器