Nginx 服務(wù)器：192.168.136.30:80
Tomcat服務(wù)器1：192.168.136.20:8080
Tomcat服務(wù)器2：192.168.136.40:8080  192.168.136.40:8081

systemctl stop firewalld
setenforce 0
yum -y install pcre-devel zlib-devel openssl-devel gcc gcc-c++ make
useradd -M -s /sbin/nologin nginx   #創(chuàng)建nginx用戶不可登錄家目錄

cd /opt
tar zxvf nginx-1.12.0.tar.gz -C /opt/
cd nginx-1.12.0/
./configure \
--prefix=/usr/local/nginx \
--user=nginx \
--group=nginx \
--with-file-aio \	                        #啟用文件修改支持
--with-http_stub_status_module \		#啟用狀態(tài)統(tǒng)計(jì)
--with-http_gzip_static_module \		#啟用 gzip靜態(tài)壓縮
--with-http_flv_module \			#啟用 flv模塊，提供對(duì) flv 視頻的偽流支持
--with-http_ssl_module				#啟用 SSL模塊，提供SSL加密功能
----------------------------------------------------------------------------------------------------------
./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-file-aio --with-http_stub_status_module --with-http_gzip_static_module --with-http_flv_module

make && make install
ln -s /usr/local/nginx/sbin/nginx /usr/local/sbin/
vim /lib/systemd/system/nginx.service
[Unit]
Description=nginx
After=network.target
[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStart=/usr/local/nginx/sbin/nginx
ExecrReload=/bin/kill -s HUP $MAINPID
ExecrStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true
[Install]
WantedBy=multi-user.target
chmod 754 /lib/systemd/system/nginx.service
systemctl start nginx.service
systemctl enable nginx.service 

systemctl stop firewalld
setenforce 0
tar zxvf jdk-8u91-linux-x64.tar.gz -C /usr/local/
vim /etc/profile.d/java.sh
export JAVA_HOME=/usr/local/jdk1.8.0_91
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin:$PATH
source /etc/profile.d/java.sh
tar zxvf apache-tomcat-8.5.16.tar.gz
mv /opt/apache-tomcat-8.5.16/ /usr/local/tomcat
/usr/local/tomcat/bin/shutdown.sh 
/usr/local/tomcat/bin/startup.sh
netstat -ntap | grep 8080

cd /opt
rpm -qpl jdk-8u201-linux-x64.rpm 
rpm -ivh jdk-8u201-linux-x64.rpm 
java -version
systemctl stop firewalld
systemctl disable firewalld
setenforce 0
tar zxvf apache-tomcat-9.0.16.tar.gz
mkdir /usr/local/tomcat
mv apache-tomcat-9.0.16 /usr/local/tomcat/tomcat1
cp -a /usr/local/tomcat/tomcat1 /usr/local/tomcat/tomcat2
vim /etc/profile.d/tomcat.sh
#tomcat1
export CATALINA_HOME1=/usr/local/tomcat/tomcat1
export CATALINA_BASE1=/usr/local/tomcat/tomcat1
export TOMCAT_HOME1=/usr/local/tomcat/tomcat1
#tomcat2
export CATALINA_HOME2=/usr/local/tomcat/tomcat2
export CATALINA_BASE2=/usr/local/tomcat/tomcat2
export TOMCAT_HOME2=/usr/local/tomcat/tomcat2
------------------------------
source /etc/profile.d/tomcat.sh
vim /usr/local/tomcat/tomcat2/conf/server.xml
<Server port="8006" shutdown="SHUTDOWN">		#22行，修改Server prot，默認(rèn)為8005 -> 修改為8006
<Connector port="8081" protocol="HTTP/1.1"		#69行，修改Connector port，HTTP/1.1  默認(rèn)為8080 -> 修改為8081
<Connector port="8010" protocol="AJP/1.3" redirectPort="8443" />	#116行，修改Connector port AJP/1.3，默認(rèn)為8009 -> 修改為8010
------------------------------
第一個(gè)連接器默認(rèn)監(jiān)聽8080端口，負(fù)責(zé)建立HTTP連接。在通過瀏覽器訪問Tomcat服務(wù)器的Web應(yīng)用時(shí)，使用的就是這個(gè)連接器。
第二個(gè)連接器默認(rèn)監(jiān)聽8009端口，負(fù)責(zé)和其他的HTTP服務(wù)器建立連接。在把Tomcat與其他HTTP服務(wù)器集成時(shí)，就需要用到這個(gè)連接器。
------------------------------
vim /usr/local/tomcat/tomcat1/bin/startup.sh 
#------------------------------
# Start Script for the CATALINA Server
#------------------------------
##添加以下內(nèi)容
export CATALINA_BASE=$CATALINA_BASE1
export CATALINA_HOME=$CATALINA_HOME1
export TOMCAT_HOME=$TOMCAT_HOME1
vim /usr/local/tomcat/tomcat1/bin/shutdown.sh
#------------------------------
# Stop script for the CATALINA Server
#------------------------------
export CATALINA_BASE=$CATALINA_BASE1
export CATALINA_HOME=$CATALINA_HOME1
export TOMCAT_HOME=$TOMCAT_HOME1
vim /usr/local/tomcat/tomcat2/bin/startup.sh 
#------------------------------
# Start Script for the CATALINA Server
#------------------------------
export CATALINA_BASE=$CATALINA_BASE2
export CATALINA_HOME=$CATALINA_HOME2
export TOMCAT_HOME=$TOMCAT_HOME2
vim /usr/local/tomcat/tomcat2/bin/shutdown.sh
#------------------------------
# Stop script for the CATALINA Server
#------------------------------
export CATALINA_BASE=$CATALINA_BASE2
export CATALINA_HOME=$CATALINA_HOME2
export TOMCAT_HOME=$TOMCAT_HOME2
/usr/local/tomcat/tomcat1/bin/startup.sh 
/usr/local/tomcat/tomcat2/bin/startup.sh 
netstat -natp | grep java

mkdir /usr/local/tomcat/webapps/test
vim /usr/local/tomcat/webapps/test/index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>JSP test1 page</title>   #指定為 test1 頁(yè)面
</head>
<body>
<% out.println("動(dòng)態(tài)頁(yè)面 1,http://www.test1.com");%>
</body>
</html>
vim /usr/local/tomcat/conf/server.xml
#由于主機(jī)名 name 配置都為 localhost，需要?jiǎng)h除前面的 HOST 配置
<Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
	<Context docBase="/usr/local/tomcat/webapps/test" path="" reloadable="true">
	</Context>
</Host>
/usr/local/tomcat/bin/shutdown.sh 
/usr/local/tomcat/bin/startup.sh

mkdir /usr/local/tomcat/tomcat1/webapps/test /usr/local/tomcat/tomcat2/webapps/test
vim /usr/local/tomcat/tomcat1/webapps/test/index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>JSP test2 page</title>   #指定為 test2 頁(yè)面
</head>
<body>
<% out.println("動(dòng)態(tài)頁(yè)面 2,http://www.test2.com");%>
</body>
</html>
vim /usr/local/tomcat/tomcat1/conf/server.xml
#刪除前面的 HOST 配置
<Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
	<Context docBase="/usr/local/tomcat/tomcat1/webapps/test" path="" reloadable="true" />
</Host>
/usr/local/tomcat/tomcat1/bin/shutdown.sh 
/usr/local/tomcat/tomcat1/bin/startup.sh 
vim /usr/local/tomcat/tomcat2/webapps/test/index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>JSP test3 page</title>   #指定為 test3 頁(yè)面
</head>
<body>
<% out.println("動(dòng)態(tài)頁(yè)面 3,http://www.test3.com");%>
</body>
</html>
vim /usr/local/tomcat/tomcat2/conf/server.xml
#刪除前面的 HOST 配置
<Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
	<Context docBase="/usr/local/tomcat/tomcat2/webapps/test" path="" reloadable="true" />
</Host>
/usr/local/tomcat/tomcat2/bin/shutdown.sh 
/usr/local/tomcat/tomcat2/bin/startup.sh

#準(zhǔn)備靜態(tài)頁(yè)面和靜態(tài)圖片
echo '<html><body><h1>這是靜態(tài)頁(yè)面</h1></body></html>' > /usr/local/nginx/html/index.html
mkdir /usr/local/nginx/html/img
cp /opt/game.jpg /usr/local/nginx/html/img
vim /usr/local/nginx/conf/nginx.conf
......
http {
......
	#gzip on;
	#配置負(fù)載均衡的服務(wù)器列表，weight參數(shù)表示權(quán)重，權(quán)重越高，被分配到的概率越大
	upstream tomcat_server {
		server 192.168.136.20:8080 weight=1;
		server 192.168.136.40:8080 weight=1;
		server 192.168.136.40:8081 weight=1;
	}
	server {
		listen 80;
		server_name www.t2.com;
		charset utf-8;
		#access_log logs/host.access.log main;
		#配置Nginx處理動(dòng)態(tài)頁(yè)面請(qǐng)求，將 .jsp文件請(qǐng)求轉(zhuǎn)發(fā)到Tomcat 服務(wù)器處理
		location ~ .*\.jsp$ {
			proxy_pass http://tomcat_server;
#設(shè)置后端的Web服務(wù)器可以獲取遠(yuǎn)程客戶端的真實(shí)IP
##設(shè)定后端的Web服務(wù)器接收到的請(qǐng)求訪問的主機(jī)名（域名或IP、端口），默認(rèn)HOST的值為proxy_pass指令設(shè)置的主機(jī)名。如果反向代理服務(wù)器不重寫該請(qǐng)求頭的話，那么后端真實(shí)服務(wù)器在處理時(shí)會(huì)認(rèn)為所有的請(qǐng)求都來(lái)自反向代理服務(wù)器，如果后端有防攻擊策略的話，那么機(jī)器就被封掉了。
			proxy_set_header HOST $host;
##把$remote_addr賦值給X-Real-IP，來(lái)獲取源IP
			proxy_set_header X-Real-IP $remote_addr;
##在nginx 作為代理服務(wù)器時(shí)，設(shè)置的IP列表，會(huì)把經(jīng)過的機(jī)器ip，代理機(jī)器ip都記錄下來(lái)
			proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
		}
		#配置Nginx處理靜態(tài)圖片請(qǐng)求
		location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|css)$ {
			root /usr/local/nginx/html/img;
			expires 10d;
		}
		location / {
			root html;
			index index.html index.htm;
		}
......
	}
......
}
systemctl restart nginx

./configure --with-stream
和http同等級(jí)：所以一般只在http上面一段設(shè)置，
stream {
    upstream appserver {
		server 192.168.136.20:8080 weight=1;
		server 192.168.136.40:8080 weight=1;
		server 192.168.136.40:8081 weight=1;
    }
    server {
        listen 8080;
        proxy_pass appserver;
    }
}
http {
......