1.基于域名的虚拟主机

vim /usr/local/nginx/conf/nginx.conf

复制一个

cd /var/www/html/

mkdir kgc accp

cd kgc/

vim index.html

this is kgc!

cd .. 

cd accp

this is accp!

vim /etc/hosts

systemctl restart nginx

2.基于ip的虚拟主机

ifconfig ens33:0 192.168.233.100/24

vim /nginx.conf

3.基于端口的虚拟主机

4.基于授权的访问控制

yum install -y httpd-tools

htpasswd -c /usr/local/nginx/passwd.db zhangsan

chown nginx /usr/local/nginx/passwd.db

chmod 400 /usr/local/nginx/passwd.db

vim nginx.conf

systemctl restart nginx

5.基于客户端的访问控制

vim nginx.conf