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目录案例环境案例实施:部署tomcat服务器部署nginx服务器部署nginx-lb服务器
本文实验内容nginx+tomcat实现网站的动静分离功能
案例环境
主机信息
架构图
案例实施:
部署tomcat服务器
两台tomcat服务器上准备jdk和tomcat
mkdir /tools cd /tools ls apache-tomcat-8.5.70.tar.gz jdk-8u181-linux-x64.tar.gz安装jdk
mkdir -p /app/java tar xf jdk-8u181-linux-x64.tar.gz -C /app/ ln -s /app/jdk1.8.0_181/ /app/jdk vim /etc/profile export JAVA_HOME=/app/jdk export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar export PATH=$PATH:$JAVA_HOME/bin source /etc/profile java -version java version “1.8.0_181” Java(TM) SE Runtime Environment (build 1.8.0_181-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)部署tomcat
tar xf apache-tomcat-8.5.70.tar.gz -C /app ln -s /app/apache-tomcat-8.5.70/ /app/tomcat启动tomcat并测试,tomcat默认启动8080端口
/app/tomcat/bin/startup.sh ss -anpt | grep 8080 LISTEN 0 100 [::]:8080 [::]:* users:((“java”,pid=2375,fd=52))看到上面这个页面说明部署成功
创建tomcat01站点主页
rm -rf /app/tomcat/webapps/ROOT/* cat /app/tomcat/webapps/ROOT/index.jsp <%@ page language=”java” import=”java.util.*” pageEncoding=”UTF-8″%> <html> <head> <title>tomcat01</title> </head> <body> <% out.println(“192.168.10.4,tomcat01″);%> <img src=”3333.jpg” /> </body> </html>创建womcat02站点主页
rm -rf /app/tomcat/webapps/ROOT/* cat /app/tomcat/webapps/ROOT/index.jsp <%@ page language=”java” import=”java.util.*“ pageEncoding=”UTF-8″%> <html> <head> <title>tomcat02</title> </head> <body> <% out.println(“192.168.10.5,tomcat02″);%> <img src=”3333.jpg” /> </body> </html>两台tomcat服务器重启服务
/app/tomcat/bin/shutdown.sh /app/tomcat/bin/startup.sh部署nginx服务器
安装nginx依赖
yum -y install gcc gcc-c++ autoconf pcre-devel make automake httpd-tools enopssl-devel配置nginx软件源
cat /etc/yum.repos.d/nginx.repo [nginx-stable] name=nginx stable repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ gpgcheck=1 enabled=1 gpgkey=https://nginx.org/keys/nginx_signing.key module_hotfixes=true安装nginx服务并启动
yum clean all yum makecache yum -y install nginx systemctl enable –now nginxyum安装的nginx已启用配置文件分离功能,我们使用默认的配置文件
cat /etc/nginx/nginx.conf include /etc/nginx/conf.d/*.conf; # 修改默认配置文件 vim /etc/nginx/conf.d/default.conf server { listen 80; server_name 192.168.10.3;创建站点首页
cd /usr/share/nginx/html/ # 准备一张图片 ls 3333.jpg 50x.html index.html # 配置站点首页 vim index.html <!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> <img src=”3333.jpg” /> </body> </html>重启nginx服务
systemctl reload nginx呐,图片
部署nginx-lb服务器
安装步骤与nginx01前三步相同
创建负载均衡配置文件
vim /etc/nginx/conf.d/proxy.conf upstream tomcat { server 192.168.10.4:8080; server 192.168.10.5:8080; } upstream static { server 192.168.10.3:80; } server { listen 80; server_name 192.168.10.2; location / { proxy_pass http://tomcat; } location ~* .*.(png|gif|jpg)$ { proxy_pass http://static; } }重启nginx服务
nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful systemctl reload nginx原理为默认会访问tomcat后端服务器,但当网页中有静态图片时会在static后端中访问
访问测试:达到一个负载均衡且动静分离的效果
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