1.查看是否已经安装

java -version

2.卸载自带的openjdk

dnf remove java-1.7.0-openjdk

3.下载jdk安装包

wget -c http://111.1.50.14/files/7194000006F691AA/download.oracle.com/otn-pub/java/jdk/8u181-b13/96a7b8442fe848ef90c96a2fad6ed6d1/jdk-8u181-linux-x64.rpm

4.安装

rpm -ivh jdk-8u181-linux-x64.rpm

5.检查是否安装成功

java -version

输出一下：

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)

6.下载tomcat

wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-7/v7.0.91/bin/apache-tomcat-7.0.91.tar.gz

7.解压

tar zxf apache-tomcat-7.0.91.tar.gz -C /root/xxxx/

8.创建环境变量

vim /root/.bash_profile

添加以下内容：

 export CATALINA_HOME=/root/yuanweipeng/apache-tomcat-7.0.91
 export PATH=$CATALINA_HOME/bin:$PATH:$HOME/bin

9.查看是否配置成功

catalina.sh -version

输出一下：

commands:
  debug             Start Catalina in a debugger
  debug -security   Debug Catalina with a security manager
  jpda start        Start Catalina under JPDA debugger
  run               Start Catalina in the current window
  run -security     Start in the current window with security manager
  start             Start Catalina in a separate window
  start -security   Start in a separate window with security manager
  stop              Stop Catalina, waiting up to 5 seconds for the process to end
  stop n            Stop Catalina, waiting up to n seconds for the process to end
  stop -force       Stop Catalina, wait up to 5 seconds and then use kill -KILL if still running
  stop n -force     Stop Catalina, wait up to n seconds and then use kill -KILL if still running
  configtest        Run a basic syntax check on server.xml - check exit code for result
  version           What version of tomcat are you running?

10.启动tomcat

catalina.sh start

输出：

Tomcat started.

11.防火墙添加开放8080端口号

firewall-cmd --zone=public --add-port=8080/tcp --permanent
permanent参数代表重启后有效

12.访问服务

在本机浏览器中输入
ip:8080

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