[root@localhost ~]# cat /proc/version

Linux version 2.6.-.el6.x86_64 (mockbuild@x86-.build.eng.bos.redhat.com) (gcc version 4.4.  (Red Hat 4.4.-) (GCC) ) # SMP Tue Jan  :: EST 

[root@localhost ~]# java -version

openjdk version "1.8.0_171"

OpenJDK Runtime Environment (build 1.8.0_171-b10)

OpenJDK -Bit Server VM (build 25.171-b10, mixed mode)

[root@localhost ~]# mysql --help | grep Distrib

mysql  Ver 14.14 Distrib 5.7., for Linux (x86_64) using  EditLine wrapper

[root@localhost sbin]# nginx -v

nginx version: nginx/1.14.

[root@localhost bin]# sh version.sh

Using CATALINA_BASE:   /root/usr/tomcat8

Using CATALINA_HOME:   /root/usr/tomcat8

Using CATALINA_TMPDIR: /root/usr/tomcat8/temp

Using JRE_HOME:        /usr/lib/jvm/java-1.8.-openjdk-1.8.0.171-.b10.el6_9.x86_64/jre

Using CLASSPATH:       /root/usr/tomcat8/bin/bootstrap.jar:/root/usr/tomcat8/bin/tomcat-juli.jar

Server version: Apache Tomcat/8.0.

Server built:   Mar   :: UTC

Server number:  8.0.21.0

OS Name:        Linux

OS Version:     2.6.-.el6.x86_64

Architecture:   amd64

JVM Version:    1.8.0_171-b10

JVM Vendor:     Oracle Corporation

[root@localhost nginx]# cat nginx.conf

user  root;

worker_processes ;

error_log  /var/log/nginx/error.log warn;

pid        /var/run/nginx.pid;

events {

    worker_connections  ;

}

http {

    include       /etc/nginx/mime.types;

    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

                      '$status $body_bytes_sent "$http_referer" '

                      '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  /var/log/nginx/access.log  main;

    sendfile        on;

    #tcp_nopush     on;

    keepalive_timeout  ;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;  //加载conf.d目录下所有以.conf结尾的站点配置文件

}

[root@localhost nginx]# cd conf.d/

[root@localhost conf.d]# ll

总用量

-rw-r--r--  root root  5月   : host-.conf

-rw-r--r--  root root  5月   : host-.conf


host-01.conf配置：

server {

    listen       ;

    server_name  www.aaa.com;

    default_type 'text/html';

    charset utf-;

    access_log  /root/logs-nginx/host--access.log  main;  //站点 www.aaa.com访问日志配置

    error_log  /root/logs-nginx/host--error.log warn;  //站点 www.aaa.com访问错误日志配置

    location ~ .*\.(gif|jpg|jpeg|png)$ {  //静态资源访问配置

       root   /root/static1;  //静态资源访问的根目录

       index  index.html index.htm;

    }

    location / {//动态资源访问配置

        root   html;

        proxy_pass http://127.0.0.1:8080;   //配置的服务器地址，指向本地的tomcat服务器端口8080

        proxy_read_timeout 600s;

        proxy_set_header  X-Real-IP  $remote_addr;

        proxy_set_header Host $host:$server_port;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

   }

}

host-02.conf配置：
server {
    listen       80;
    server_name  www.ccc.com;

    default_type 'text/html';
    charset utf-8;

    access_log  /root/logs-nginx/host-02-access.log  main;
    error_log  /root/logs-nginx/host-02-error.log warn;

    location ~ .*\.(gif|jpg|jpeg|png|css|js)$ {
       root   /root/static;  //静态资源访问的根目录
       index  index.html index.htm;
    }

    location / {
        root   html;
        proxy_pass http://127.0.0.1:8080;
        proxy_read_timeout 600s;
        proxy_set_header  X-Real-IP  $remote_addr;
        proxy_set_header Host $host:$server_port;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   }
}

在host中添加以下配置：
127.0.0.1    www.aaa.com

127.0.0.1    www.bbb.com

127.0.0.1    www.ccc.com

127.0.0.1    www.ddd.com