tomcat

2021-07-26 21:31:07 阅读：168 来源： 互联网

标签：opt java tomcat backup keepalived root

tomcat

1.什么是tomcat?

全称叫apache-tomcat，和nginx，apache一样，具有处理html页面的功能，另外它还是一个server和jsp容器，独立的server容器是tomcat的默认模式。其他java容器还有resin,处理静态html交给nginx,动态html交给tomcat

2.环境介绍
192.168.25.130机子为例
a.依赖于java,所以首先安装java环境，直接下载不用修改profile文件

[root@keepalived-backup ~]# yum install java-1.8.0 -y
[root@keepalived-backup ~]# java -version
openjdk version "1.8.0_292"
OpenJDK Runtime Environment (build 1.8.0_292-b10)
OpenJDK 64-Bit Server VM (build 25.292-b10, mixed mode)

b.解压tomcat软件包，并为其创建软连接，修改profile文件

[root@keepalived-backup ~]# tar xf apache-tomcat-8.5.43.tar.gz -C /opt/
[root@keepalived-backup opt]# cd /opt/
[root@keepalived-backupopt]# ls
apache-tomcat-8.5.43
[root@keepalived-backup opt]# ln -s apache-tomcat-8.5.43 tomcat
[root@keepalived-backup opt]# ll
总用量 0
drwxr-xr-x 9 root root 220 7月  26 15:09 apache-tomcat-8.5.43
lrwxrwxrwx 1 root root  20 7月  26 15:13 tomcat -> apache-tomcat-8.5.43
[root@keepalived-backup opt]# vim /etc/profile
[root@keepalived-backup opt]# echo "export TOMCAT_HOME=/opt/tomcat" >> /etc/profile
[root@keepalived-backup opt]# source /etc/profile
[root@keepalived-backup opt]# /opt/tomcat/bin/version.sh
Using CATALINA_BASE:   /opt/tomcat
Using CATALINA_HOME:   /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
Server version: Apache Tomcat/8.5.43
Server built:   Jul 4 2019 20:53:15 UTC
Server number:  8.5.43.0
OS Name:        Linux
OS Version:     3.10.0-862.el7.x86_64
Architecture:   amd64
JVM Version:    1.8.0_292-b10
JVM Vendor:     Red Hat, Inc.

3.启动tomcat

[root@keepalived-backup bin]# ./startup.sh
Using CATALINA_BASE:   /opt/tomcat
Using CATALINA_HOME:   /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
Tomcat started.
[root@keepalived-backup bin]# netstat -tupln|grep java
tcp6       0      0 127.0.0.1:8005          :::*                    LISTEN      1535/java
tcp6       0      0 :::8009                 :::*                    LISTEN      1535/java
tcp6       0      0 :::8080                 :::*                    LISTEN      1535/java

用浏览器访问，访问到页面就算成功了
在这里插入图片描述
3.主配置文件-Server.xml

<Server port="8005" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  <!-- Security listener. Documentation at /docs/config/listeners.html
  <Listener className="org.apache.catalina.security.SecurityListener" />
  -->
  <!--APR library loader. Documentation at /docs/apr.html -->

这就相当于执行telnet 127.0.0.1 8005直接关闭服务一样

[root@keepalived-backup conf]# telnet 127.0.0.1 8005
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
SHUTDOWN
Connection closed by foreign host.
[root@keepalived-backup conf]# telnet 127.0.0.1 8005
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
[root@keepalived-backup conf]# ps -ef|grep java
root       1780   1178  0 20:00 pts/0    00:00:00 grep --color=auto java

标签：opt,java,tomcat,backup,keepalived,root
来源： https://blog.csdn.net/weixin_47274990/article/details/119110089

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