wget
下载 JDK:
wget
安装 jdk:
rpm -ivh jdk-8u181-linux-x64.rpm\?AuthParam\=1536721970_38dbf1e81e1c24c45ef2e0ee119b29a4
安装目录:
ls /usr/java
配置环境变量:
- #vi /etc/profile.d/java.sh
- export JAVA_HOME=/usr/java/latest
- export PATH=$JAVA_HOME/bin:$PATH
重读配置:
#. /etc/profile.d/java.sh
查看版本:
- 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)
查看环境变量:
- ]# echo $JAVA_HOME
- /usr/java/latest
解压 tomca 至 usr/local:
- tar xf apache-tomcat-8.5.34.tar.gz -C /usr/local/
- ln -sv apache-tomcat-8.5.34 tomcat
添加环境变量:
- vi /etc/profile.d/tomcat.sh
- export CATALINA_HOME=/usr/local/tomcat
- export PATH=$CATALINA_HOME/bin:$PATH
重读:. /etc/profile.d/tomcat.sh
测试:
- catalina.sh version
- Using CATALINA_BASE: /usr/local/tomcat
- Using CATALINA_HOME: /usr/local/tomcat
- Using CATALINA_TMPDIR: /usr/local/tomcat/temp
- Using JRE_HOME: /usr/java/latest
- Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
- Server version: Apache Tomcat/8.5.34
- Server built: Sep 4 2018 22:28:22 UTC
- Server number: 8.5.34.0
- OS Name: Linux
- OS Version: 3.10.0-514.el7.x86_64
- Architecture: amd64
- JVM Version: 1.8.0_181-b13
- JVM Vendor: Oracle Corporation
测试配置语法:
catalina.sh configtest
启动 yomcat:
- catalina.sh start
- Using CATALINA_BASE: /usr/local/tomcat
- Using CATALINA_HOME: /usr/local/tomcat
- Using CATALINA_TMPDIR: /usr/local/tomcat/temp
- Using JRE_HOME: /usr/java/latest
- Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
Tomcat started.
查看端口:
ss -tnl
添加第一个 java 程序:
1, 创建目录结构
#mkdir myapp/{lib,classes,web-INF,META-INF} -pv
mkdir: 已创建目录 "myapp/lib"
mkdir: 已创建目录 "myapp/classes"
mkdir: 已创建目录 "myapp/WEB-INF"
mkdir: 已创建目录 "myapp/META-INF"
2, 编写程序
- vi myapp/index.jsp
- <%@ page language="java" %>
- <%@ page import="java.util.*" %>
- <html>
- <head>
- <title>JSP Test Page</title>
- </head>
- <body>
- <% out.println("hello world"); %>
- </body>
- </html>
配置管理界面:
添加管理员账号和密码:
- #vi /usr/local/tomcat/conf/tomcat-users.xml
- <role rolename="manager-gui"/>
- <user username="tomcat" password="tomcat1" roles="manager-gui"/>
配置远程访问 manager:
tomat_home/conf/Catalina/localhost / 下 添加 manager.xml
- <Context privileged="true" antiResourceLocking="false"
- docBase="${catalina.home}/webapps/manager">
- <Valve className="org.apache.catalina.valves.RemoteAddrValve" allow="^.*$" />
- </Context>
配置 host manager:
- vi tomcat-users.xml
- <role rolename="manager-gui"/>
- <role rolename="admin-gui"/>
- <user username="tomcat" password="tomcat1" roles="manager-gui,admin-gui"/>
- #vim webapps/host-manager/META-INF/context.xml
- <Context antiResourceLocking="false" privileged="true">
- <Valve className="org.apache.catalina.valves.RemoteAddrValve"
- allow="^.*$" /> #修改这里
- </Context>
创建目录文件:
mkdir -pv /data/{webapps,logs}
拷贝测试文件:
cp -r /usr/local/tomcat/webapps/myapp/*/data/webapps/
编辑 tomcat 配置文件:
- #vi server.xml
- </Host>
- <Host name="web.shengjing360.com" appBase="/data/webapps"
- unpackWARs="true" autoDeploy="true">
- <Context path=""docBase="/data/webapps"reloadable="true" />
- <Valve className="org.apache.catalina.valves.AccessLogValve" directory="/data/logs"
- prefix="localhost_access_log" suffix=".txt"
- pattern="%h %l %u %t"%r"%s %b" />
- </Host>
配置 hosts 文件, 然后测试虚拟机: http://web.shengjing360.com:8080/
tomcat 基于 httpd 负载均衡示例:
vi /etc/httpd/conf.d/vhosts.conf
基于 http:
- proxy balancer://lbcluster1>
- balancermember http://192.168.102.44:8080/ loadfactor=10 route=TomcatA
- balancermember http://192.168.102.46:8080/ loadfactor=10 route=TomcatB
- </proxy>
- <VirtualHost :80>
- ServerName web.shengjing360.com
- ProxyVia On
- ProxyRequests Off
- ProxyPreserveHost On
- <Proxy>
- Require all granted
- </Proxy>
- ProxyPass /status !
- ProxyPass / balancer://lbcluster1/
- ProxyPa***everse / balancer://lbcluster1/
- <Location />
- Require all granted
- </Location>
- <Location /balancer-manager> #balancer-manager 管理页面
- SetHandler balancer-manager
- Proxypass !
- Require all granted
- </Location>
- </VirtualHost>
会话绑定:
- Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/" env=BALANCER_ROUTE_CHANGED
- <proxy balancer://lbcluster1>
- balancermember http://192.168.102.44:8080/ loadfactor=10 route=TomcatA
- balancermember http://192.168.102.46:8080/ loadfactor=10 route=TomcatB
- ProxySet stickysession=ROUTEID
- </proxy>
- <VirtualHost :80>
- ServerName web.shengjing360.com
- ProxyVia On
- ProxyRequests Off
- ProxyPreserveHost On
- <Proxy>
- Require all granted
- </Proxy>
- ProxyPass /status !
- ProxyPass / balancer://lbcluster1/
- ProxyPa***everse / balancer://lbcluster1/
- <Location />
- Require all granted
- </Location>
- <Location /balancer-manager>
- SetHandler balancer-manager
- Proxypass !
- Require all granted
- </Location>
- </VirtualHost>
基于 ajp:
- [root@localhost conf.d]# vi vhosts.ajp.conf
- #Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/" env=BALANCER_ROUTE_CHANGED
- <proxy balancer://lbcluster1>
- balancermember ajp://192.168.102.44:8009 loadfactor=10 route=TomcatA
- balancermember ajp://192.168.102.46:8009 loadfactor=10 route=TomcatB
- ProxySet stickysession=ROUTEID
- </proxy>
- <VirtualHost :80>
- ServerName web.shengjing360.com
- ProxyVia On
- ProxyRequests Off
- ProxyPreserveHost On
- <Proxy>
- Require all granted
- </Proxy>
- ProxyPass /status !
- ProxyPass / balancer://lbcluster1/
- ProxyPa***everse / balancer://lbcluster1/
- <Location />
- Require all granted
- </Location>
- <Location /balancer-manager>
- SetHandler balancer-manager
- Proxypass !
- Require all granted
- </Location>
- </VirtualHost>
来源: http://www.bubuko.com/infodetail-2771268.html