Nginx虚拟主机

虚拟主机介绍

虚拟主机是一种特殊的软硬件技术，它可以将网络上的每一台计算机分成多个虚拟主机，每个虚拟主机可以独立对外提供www服务，这样就可以实现一台主机对外提供多个web服务，每个虚拟主机之间是独立的，互不影响。

nginx可以实现虚拟主机的配置，nginx支持三种类型的虚拟主机配置。
1、基于域名的虚拟主机 。（server_name来区分虚拟主机——应用：外部网站）
2、基于ip的虚拟主机 。（一块主机绑定多个ip地址）
3、基于端口的虚拟主机 。（端口来区分虚拟主机——应用：公司内部网站，外部网站的管理后台）

虚拟主机配置

基于域名

[[e-mail]] vim /etc/nginx/conf.d/nginx.conf
#将nginx主配置文件/etc/nginx/nginx.conf中的server模块注释掉，在conf.d目录下自己创建
#要确定http模块中有include /etc/nginx/conf.d/*.conf这句话
server {
    listen         80;
    server_name    web.xiaobai.com;
    location / {
        root    /var/www/nginx/;
        index   index.html index.htm;
        }
}
server {
    listen         80;
    server_name    www.little.com;
    location / {
        root    /little/html;
        index    index.html index.htm;
        }
}

[[e-mail]] mkdir -p /little/html
[[e-mail]] mkdir -p /var/www/nginx/html
[[e-mail]] vim /var/www/nginx/index.html
xiaobai
[[e-mail]] vim /little/html/index.html
little
[[e-mail]] nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[[e-mail]] systemctl start nginx

客户端配置解析，在 C:\Windows\System32\drivers\etc\hosts 文件中添加两行
192.168.226.128 web.xiaobai.com
192.168.226.128 www.little.com

---

不要忘记关闭nginx机器上的防火墙。

基于ip

[[e-mail]] ip a
    inet 192.168.226.128/24 brd 192.168.226.255 scope global noprefixroute dynamic ens33

[[e-mail]] ip a add dev ens33 192.168.226.100/24
[[e-mail]] ip a
    inet 192.168.226.128/24 brd 192.168.226.255 scope global noprefixroute dynamic ens33
    inet 192.168.226.100/24 scope global secondary ens33

[[e-mail]] mv /etc/nginx/conf.d/nginx.conf /etc/nginx/conf.d/nginx.conf.bak
[[e-mail]] vim /etc/nginx/conf.d/nginx.conf
server {
      listen       80;
      server_name  192.168.226.128;
      location / {
            root   /var/www/nginx/;
            index  index.html index.htm;
      }
}        
server {
      listen       80;
      server_name  192.168.226.100;
      location / {
            root   /little/html/;
            index  index.html index.htm;
      }
}

[[e-mail]] vim /var/www/nginx/index.html
192.168.226.128
[[e-mail]] vim /little/html/index.html
192.168.226.100
[[e-mail]] nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[[e-mail]] systemctl restart nginx

---

[[e-mail]] ip a del dev ens33 192.168.226.100/24
#删除ip

基于端口

[[e-mail]] mv /etc/nginx/conf.d/nginx.conf /etc/nginx/conf.d/nginx.conf.bak2
[[e-mail]] vim /etc/nginx/conf.d/nginx.conf
server {
      listen       80;
      server_name  web.xiaobai.com;
      location / {
            root   /var/www/nginx/;
            index  index.html index.htm;
      }
}
server {
      listen       8080;
      server_name  www.little.com;
      location / {
            root   /little/html/;
            index  index.html index.htm;
      }
}

[[e-mail]] vim /var/www/nginx/index.html
xiaobai
[[e-mail]] vim /little/html/index.html
little
[[e-mail]] nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[[e-mail]] systemctl restart nginx
#之前已经解析过了，直接域名＋端口访问就行

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