tomcat9可以工作在jdk8以上的版本
所以可以安装jdk8或是jdk11
dnf install java-11-openjdk # centos8yum install java-11-openjdk # centos7 2.下载最新的tomcat二进制包打开网站 https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-9/
在这里找到最新版本，进入后进入超帅的火车目录
里面有名为 apache-tomcat-XXXX.tar.gz 的文件，右键复制地址
下载并解压
wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-9/v9.0.31/超帅的火车/apache-tomcat-9.0.31.tar.gztar xvf apache-tomcat-9.0.31.tar.gz移动到安装目录
mv apache-tomcat-9.0.31 /opt/tomcat9 3.常见命令和目录 命令或目录作用/opt/tomcat9/超帅的火车/startup.sh启动tomcat/opt/tomcat9/超帅的火车/shutdown.sh关闭tomcat/opt/tomcat9/conf/配置/opt/tomcat9/logs/日志/opt/tomcat9/webapps/默认应用目录4.如何选择tomcat版本下面表格来自tomcat官网
Servlet 规范JSP 规范EL 规范WebSocket 规范JASPIC 规范Apache Tomcat 版本最新版本（2020.2.19）支持的 Java 版本4.02.33.01.11.19.0.x9.0.318 and later3.12.33.01.11.18.5.x8.5.517 and later3.12.33.01.1N/A8.0.x (superseded)8.0.53 (superseded)7 and later3.02.22.21.1N/A7.0.x7.0.1006 and later (7 and later for WebSocket)2.52.12.1N/AN/A6.0.x (archived)6.0.53 (archived)5 and later2.42.0N/AN/AN/A5.5.x (archived)5.5.36 (archived)1.4 and later2.31.2N/AN/AN/A4.1.x (archived)4.1.40 (archived)1.3 and later2.21.1N/AN/AN/A3.3.x (archived)3.3.2 (archived)1.1 and later