第一步:條件:配置好jdk,如果沒有配置好請看:https://www.cnblogs.com/weibanggang/p/11460537.html
第二步:下載安裝tomcat
下載tomcat到服務器中,並解壓到文件夾,如/home/tomcat/tomcat1
再復制一份tomcat壓縮包,解壓到 /home/tomcat/tomcat2
如下是我的tomcat
復制命令:
cp -r /home/tomcat/tomcat8.5_1 /home/tomcat/tomcat8.5_2
第三步:配置tomcat環境變量(重點)
同樣是操作/etc/profile 文件。
#vi /etc/profile
然后在文件最后一行,即剛剛添加JDK環境變量的后邊添加如下配置:
#tomcat1 export CATALINA_HOME1=/home/tomcat/tomcat8.5_1 export CATALINA_BASE1=/home/tomcat/tomcat8.5_1 export TOMCAT_HOME1=/home/tomcat/tomcat8.5_1 #tomcat2 export CATALINA_HOME2=/home/tomcat/tomcat8.5_2 export CATALINA_BASE2=/home/tomcat/tomcat8.5_2 export TOMCAT_HOME2=/home/tomcat/tomcat8.5_2 #tomcat3 export CATALINA_HOME3=/home/tomcat/tomcat8.5_3 export CATALINA_BASE3=/home/tomcat/tomcat8.5_3 export TOMCAT_HOME3=/home/tomcat/tomcat8.5_3 #tomcat4 export CATALINA_HOME4=/home/tomcat/tomcat8.5_4 export CATALINA_BASE4=/home/tomcat/tomcat8.5_4 export TOMCAT_HOME4=/home/tomcat/tomcat8.5_4 #tomcat5 export CATALINA_HOME5=/home/tomcat/tomcat8.5_5 export CATALINA_BASE5=/home/tomcat/tomcat8.5_5 export TOMCAT_HOME5=/home/tomcat/tomcat8.5_5 #tomcat6 export CATALINA_HOME6=/home/tomcat/tomcat8.5_6 export CATALINA_BASE6=/home/tomcat/tomcat8.5_6 export TOMCAT_HOME6=/home/tomcat/tomcat8.5_6
(注意:tomcat123456中的配置命名)
添加后,ctrl+C, 然后命令行輸入 :wq ,保存退出。加載環境變量,命名行:
source /etc/profile
配置成功!
第四步:修改tomcat123456中的server.xml文件(重點)
tomcat1和tomcat2配置如下:
tomcat1:修改tomcat1的server.xml文件
1、修改Server prot 默認為8005--》修改為8001
<Server port="8001" shutdown="SHUTDOWN"> <Listener className="org.apache.catalina.startup.VersionLoggerListener" /> <!-- Security listener. Documentation at /docs/config/listeners.html -->

2、修改Connector port HTTP/1.1 默認為8080--》修改為80
<Connector port="80" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />
3、修改Connector port AJP/1.3 默認為8009--》修改為8010
<!-- Define an AJP 1.3 Connector on port 8009 --> <Connector port="8010" protocol="AJP/1.3" redirectPort="8443" />
tomcat2:修改tomcat2的server.xml文件
1、修改Server prot 默認為8005--》修改為8002
<Server port="8002" shutdown="SHUTDOWN"> <Listener className="org.apache.catalina.startup.VersionLoggerListener" /> <!-- Security listener. Documentation at /docs/config/listeners.html
2、修改Connector port HTTP/1.1 默認為8080--》修改為82
<Connector port="82" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />
3、修改Connector port AJP/1.3 默認為8009--》修改為8011
<!-- Define an AJP 1.3 Connector on port 8009 --> <Connector port="8011" protocol="AJP/1.3" redirectPort="8443" />
還有tomcat3456就不在這里演示,只需要根據以上配置,配置不能有重復的端口號
第五步:修改tomcat123456中的startup.sh 和 shutdown.sh文件(重點)
tomcat1:修改tomcat1/bin/startup.sh 和 shutdown.sh 兩個文件(同一代碼HOME1)
1、tomcat1/bin/startup.sh
命令: vi tomcat8.5_1/bin/startup.sh
加入:
export CATALINA_BASE=$CATALINA_BASE1 export CATALINA_HOME=$CATALINA_HOME1 export TOMCAT_HOME=TOMCAT_HOME1

2、tomcat1/bin/shutdown.sh
命令: vi tomcat8.5_1/bin/shutdown.sh
加入:
export CATALINA_BASE=$CATALINA_BASE1 export CATALINA_HOME=$CATALINA_HOME1 export TOMCAT_HOME=TOMCAT_HOME1

tomcat2:修改tomcat2/bin/startup.sh 和 shutdown.sh 兩個文件(同一代碼HOME2)
1、tomcat2/bin/startup.sh 命令: vi tomcat8.5_2/bin/startup.sh 加入: export CATALINA_BASE=$CATALINA_BASE2 export CATALINA_HOME=$CATALINA_HOME2 export TOMCAT_HOME=TOMCAT_HOME22、tomcat2/bin/shutdown.sh 命令: vi tomcat8.5_2/bin/shutdown.sh 加入: export CATALINA_BASE=$CATALINA_BASE2 export CATALINA_HOME=$CATALINA_HOME2 export TOMCAT_HOME=TOMCAT_HOME2

還有tomcat3456就不在這里演示,只需要對startup、shutdown 加入三行代碼即可
最后:檢驗成果
分別啟動tomcat中的 /bin/startup.sh ,然后打開瀏覽器訪問測試。