How to configure Nginx host domain name

1. Configure multiple ports to access different files

Same domain name, different ports, different files

#两个不同文件夹，分别存放不同文件
[root@nginx ~]# mkdir /www/work_01 -p
[root@nginx ~]# mkdir /www/work_02
[root@nginx ~]# vim /www/work_01/index.html 
this is work_01!
[root@nginx ~]# vim /www/work_02/index.html
this is work_02!

#Edit the server module, point the port 80 site to a folder, and then Copy this server below and modify the port

[root@nginx ~]# vim /usr/local/nginx/conf/nginx.conf
worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
#80端口，指向work_01的文件夹
    server {
        listen       80;
        server_name  localhost;
        location / {
            root   /www/work_01;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
#8080端口，指向work_02的文件夹
    server {
    listen 8080;
    server_name localhost;
    location / {
    root /www/work_02;
    index index.html index.htm;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root html;
    }
}
}

#Browser access

2. Configure different domain names to access different files

Same port , different domain names, different files

#Four folders, corresponding to different file contents

[root@nginx ~]# cd /www/
[root@nginx www]# mkdir work_03
[root@nginx www]# mkdir work_04
[root@nginx www]# echo "This is work_03" > work_03/index.html
[root@nginx www]# echo "This is work_04" > work_04/index.html
[root@nginx www]# ls
work_01  work_02  work_03  work_04

#Modify the configuration file

[root@nginx www]# vim /usr/local/nginx/conf/nginx.conf
worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    sendfile        on;
    keepalive_timeout  65;
#通配符在后的域名
    server {
        listen       80;
        server_name  www.haha.*;
        location / {
            root   /www/work_01;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
#精确域名
    server {
    listen 80;
    server_name www.haha.com;
    location / {
    root /www/work_02;
    index index.html index.htm;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root html;
    }
}
#通配符在前的域名
    server {
        listen 80;
        server_name *.haha.com;
    location / {
        root /www/work_03;
        index index.html index.htm;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root html;
    }
}
#正则表达式域名
    server {
        listen 80;
        server_name ~\w+.com;
    location / {
        root /www/work_04;
        index index.html index.htm;
    }
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root html;
    }
}
}
[root@nginx www]# systemctl restart nginx

#Configure the host host file, in " C:\Windows\System32\drivers\etc\hosts"

#Access results

sever_name matching sequence:

• Exact match

• begins with a wildcard character, such as *.example.com

• ends with a wildcard character, For example www.example.*

• Regular expression

• Default value

3. Configuration Different domain names access the same file

Same port, different domain names, the same file

[root@nginx ~]# vim /usr/local/nginx/conf/nginx.conf
worker_processes  1;
events {
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
#只需要在server_name再添加一个域名，不需要在复制一个server_name
    server {
        listen       80;
        server_name  www.xixi.com www.qiqi.com;
        location / {
            root   /www/work_01;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}
[root@nginx ~]# systemctl restart nginx

#The host file of the host

#The access results are as follows:

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