nginx反向代理tomcat集群

dsCentOS-empty虚拟机
用户名：root
密码：root
ip:192.168.176.137

查看本机linux虚拟机ip地址
ifconfig
192.168.176.131

//安装jdk
cd /home
mkdir software
cd /home/software
tar -xvf jdk-8u161-linux-x64.tar.gz

//配置环境变量
vim /etc/profile

#set java env
JAVA_HOME=/home/software/jdk1.8.0_161
PATH=$JAVA_HOME/bin:$PATH
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME  PATH CLASSPATH

//让环境变量生效
source /etc/profile
java -version

//安装tomcat
cd /home/software
tar -xf apache-tomcat-7.0.55.tar.gz

//修改tomcat名称,并复制多个tomcat实例
mv apache-tomcat-7.0.55 t1
cp -r t1 t2
cp -r t1 t3

//修改t1,t2 ,t3 3个tomcat服务器端口号
vim t1/conf/server.xml
t1 8080 70行左右，8009 91行左右，8005 22行
vim t2/conf/server.xml
t2 8081，8019，8015
vim t3/conf/server.xml
t3 8082，8029，8025

改好后ESC键:wq 保存退出

上传jt-manage.war到桌面
cd /root/Desktop
//将文件修改成ROOT.war
mv jt-manage.war ROOT.war

//删除t1,t2,t3的webapps中所有内容
cd /home/software/t3/webapps
rm -rf /home/software/t1/webapps/*
rm -rf /home/software/t2/webapps/*
rm -rf /home/software/t3/webapps/*

//将ROOT.war拷贝到t1,t2,t3的webapps中
cp /root/Desktop/ROOT.war /home/software/t1/webapps
cp /root/Desktop/ROOT.war /home/software/t2/webapps
cp /root/Desktop/ROOT.war /home/software/t3/webapps

//测试tomcat集群,修改t1,t2,t3 3个tomcat的index.jsp
vim /home/software/t1/webapps/ROOT/index.jsp
Hello World! t1
vim /home/software/t2/webapps/ROOT/index.jsp
Hello World! t2
vim /home/software/t3/webapps/ROOT/index.jsp
Hello World! t3

//删除ROOT.war
rm -rf /home/software/t1/webapps/ROOT.war
rm -rf /home/software/t2/webapps/ROOT.war
rm -rf /home/software/t3/webapps/ROOT.war

//启动tomcat
/home/software/t1/bin/startup.sh
/home/software/t2/bin/startup.sh
/home/software/t3/bin/startup.sh

//查看tomcat启动是否成功
tail /home/software/t1/logs/catalina.out
tail /home/software/t2/logs/catalina.out
tail /home/software/t3/logs/catalina.out

//关闭防火墙
service iptables stop
//检查防火墙命令
service iptables status

//杀进程
ps -ef|grep tomcat
kill 1250
kill -9 7282 7308 7331

//本地linux下访问
localhost:8080
localhost:8081
localhost:8082

//window下访问本地linux虚拟机ip地址
http://192.168.176.137:8080/
http://192.168.176.137:8081/
http://192.168.176.137:8082/

nginx tomcat集群访问
http://manage.jt.com/

-----------------------nginx配置tomcat集群-----------------------------------
#负载均衡，有3台服务器，默认就是轮询
upstream jt1710{
server  192.168.176.137:8080;
server  192.168.176.137:8081;
server  192.168.176.137:8082;
}

#后台服务器
server {
listen       80;
server_name  manage.jt.com;

location / {
       proxy_pass http://jt1710;
       proxy_connect_timeout 600;
       proxy_read_timeout 600;
}
     }
}

host文件中添加
在C:\Windows\System32\drivers\etc hosts文件中配置
127.0.0.1 manage.jt.com

http://manage.jt.com/page/index/