# 2. Nginx 安装

Linux：本文

Mac：brew install nginx

Windows：windows 下安装和配置 nginx (opens new window)

Docker：docker pull nginx

# 2.1 安装 openssl、zlib、gcc 依赖

yum -y install make zlib zlib-devel gcc-c++ libtool openssl openssl-devel

# 2. 2 安装 pcre 依赖

下载 pcre 压缩文件

wget http://downloads.sourceforge.net/project/pcre/pcre/8.37/pcre-8.37.tar.gz

解压
```
tar -zxvf pcre-8.37.tar.gz
```
进入 pcre 目录
```
cd pcre-8.37
```
编译
```
./configure
```
安装
```
make && make install
```
检查
```
pcre-config --version
```

# 2.3 安装 Nginx

Nginx 官网 (opens new window)

我这个选的是 nginx-1.16.1 版本

下载 nginx 压缩文件

wget http://nginx.org/download/nginx-1.16.1.tar.gz

解压
```
tar -zxvf nginx-1.16.1.tar.gz
```
进入 nginx 目录
```
cd nginx-1.16.1
```
编译
```
./configure
```
安装
```
make && make install
```

# 2.4 启动 Nginx

查看开放端口

firewall-cmd --list-all

输出：默认不开放端口

public (active)
  target: default
  icmp-block-inversion: no
  interfaces: ens33
  sources: 
  services: dhcpv6-client ssh
  ports: 
  protocols: 
  masquerade: no
  forward-ports: 
  source-ports: 
  icmp-blocks: 
  rich rules:

设置开放端口

firewall-cmd --add-service=http --permanent
firewall-cmd --add-port=80/tcp --permanent

重启防火墙
```
firewall-cmd --reload
```

再看开放端口

firewall-cmd --list-all

输出：已开放 80 端口

public (active)
  target: default
  icmp-block-inversion: no
  interfaces: ens33
  sources: 
  services: dhcpv6-client ssh
  ports: 80/tcp
  protocols: 
  masquerade: no
  forward-ports: 
  source-ports: 
  icmp-blocks: 
  rich rules:

进入 /usr/local/nginx/sbin 目录
```
cd /usr/local/nginx/sbin
```
运行 nginx
```
./nginx
```

访问 nginx

curl 127.0.0.1

输出：

# curl 127.0.0.1
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
    body {
        width: 35em;
        margin: 0 auto;
        font-family: Tahoma, Verdana, Arial, sans-serif;
    }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>

<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>

<p><em>Thank you for using nginx.</em></p>
</body>
</html>

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