05 Tomcat多实例

    主要作用，尽可能利用系统资源，

[root@centos7 jpress]# cd /tools/
[root@centos7 tools]# ls
apache-tomcat-9.0.11.tar.gz
[root@centos7 tools]# tar xf apache-tomcat-9.0.11.tar.gz 
[root@centos7 tools]# cp -a apache-tomcat-9.0.11 tomcat-9-1
[root@centos7 tools]# cp -a apache-tomcat-9.0.11 tomcat-9-2
[root@centos7 tools]# ls
apache-tomcat-9.0.11         tomcat-9-1
apache-tomcat-9.0.11.tar.gz  tomcat-9-2
[root@centos7 tools]# chown tomcat. tomcat-9-1/
[root@centos7 tools]# chown tomcat. tomcat-9-2
[root@centos7 tools]# sed -i 's#8005#8011#;s#8080#8081#' tomcat-9-1/conf/server.xml 
[root@centos7 tools]# sed -i 's#8005#8012#;s#8080#8082#' tomcat-9-2/conf/server.xml 
[root@centos7 tools]# mv tomcat-9-1 tomcat-9-2 /usr/local/
[root@centos7 tools]# /usr/local/tomcat-9-1/bin/startup.sh 
Using CATALINA_BASE:   /usr/local/tomcat-9-1
Using CATALINA_HOME:   /usr/local/tomcat-9-1
Using CATALINA_TMPDIR: /usr/local/tomcat-9-1/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       /usr/local/tomcat-9-1/bin/bootstrap.jar:/usr/local/tomcat-9-1/bin/tomcat-juli.jar
Tomcat started.
[root@centos7 tools]# /usr/local/tomcat-9-2/bin/startup.sh 
Using CATALINA_BASE:   /usr/local/tomcat-9-2
Using CATALINA_HOME:   /usr/local/tomcat-9-2
Using CATALINA_TMPDIR: /usr/local/tomcat-9-2/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       /usr/local/tomcat-9-2/bin/bootstrap.jar:/usr/local/tomcat-9-2/bin/tomcat-juli.jar
Tomcat started.
[root@centos7 tools]# netstat -lnutp | grep java
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      50750/java          
tcp6       0      0 :::8009                 :::*                    LISTEN      50750/java          
tcp6       0      0 127.0.0.1:8011          :::*                    LISTEN      51239/java          
tcp6       0      0 127.0.0.1:8012          :::*                    LISTEN      51293/java          
tcp6       0      0 :::8080                 :::*                    LISTEN      50750/java          
tcp6       0      0 :::8081                 :::*                    LISTEN      51239/java          
tcp6       0      0 :::8082                 :::*                    LISTEN      51293/java