1 防火牆必須關閉：三個伺服器的防火牆必須關閉

systemctl stop firewalld

systemctl status firewalld

firewall-cmd --state

2 nginx所在的伺服器的selinux必須關閉

3 tomcat的webapps下必須有maven_cloud4.war

4 開啟所有的tomcat：

由ip:8080/maven_cloud4透過tomcat訪問

5 安裝完nginx 透過ip:80訪問nginx的首頁 看看welcome

6 配置/etc/nginx/conf.d/cloud.conf(注意名字不能是：cloud.config)

upstream cloud4{

server 192.168.198.131:8080;

server 192.168.198.134:8080;

server 192.168.198.135:8080;

}

server

{

listen 80;

server_name 192.168.198.131;

location /mc4{

proxy_pass http://cloud4/maven_cloud4;

proxy_cookie_path /maven_cloud4 /mc4;

}

}