jdk下载地址 jdk
tomcat 下载地址 tomcat

[root@emporerlinux tarbag]# ls
apache-tomcat-9.0.68.tar.gz  jdk-8u351-linux-x64.tar.gz  

解压tar包。其实这个包就是软件。。。。解压到哪里软件就在哪里

[root@emporerlinux tarbag]# tar -zxvf jdk-8u351-linux-x64.tar.gz  -C /usr/local/
[root@emporerlinux tarbag]# tar -zxvf apache-tomcat-9.0.68.tar.gz  -C /usr/local/

配置环境变量 编辑/etc/proflie

# jdk PATH
JAVA_HOME=/usr/local/jdk1.8.0_351
JRE_HOME=${JAVA_HOME}/jre
CLASSPATH=:${JAVA_HOME}/lib:${JRE_HOME}/lib
PATH=${JAVA_HOME}/bin:$PATH
export PATH JAVA_HOME CLASSPATH JRE_HOME
# tomcat PATH
export  CATALINA_HOME=/usr/local/tomcat/apache-tomcat-9.0.68
export  PATH=$CATALINA_HOME/bin:$PATH
加载环境变量
source /etc/profi

验证

[root@emporerlinux bin]# ./version.sh 
Using CATALINA_BASE:   /usr/local/apache-tomcat-9.0.68
Using CATALINA_HOME:   /usr/local/apache-tomcat-9.0.68
Using CATALINA_TMPDIR: /usr/local/apache-tomcat-9.0.68/temp
Using JRE_HOME:        /usr
Using CLASSPATH:       /usr/local/apache-tomcat-9.0.68/bin/bootstrap.jar:/usr/local/apache-tomcat-9.0.68/bin/tomcat-juli.jar
Using CATALINA_OPTS:   
Server version: Apache Tomcat/9.0.68
Server built:   Oct 3 2022 19:06:10 UTC
Server number:  9.0.68.0
OS Name:        Linux
OS Version:     3.10.0-1160.71.1.el7.x86_64
Architecture:   amd64
JVM Version:    1.8.0_332-b09
JVM Vendor:     Red Hat, Inc.
[root@emporerlinux bin]# pwd
/usr/local/apache-tomcat-9.0.68/bin

[root@emporerlinux local]# java -version
java version "1.8.0_351"
Java(TM) SE Runtime Environment (build 1.8.0_351-b10)
Java HotSpot(TM) 64-Bit Server VM (build 25.351-b10, mixed mode)

启动一下
/usr/local/apache-tomcat-9.0.68/bin/startup.sh
image-1675238309792
总结一下。更改环境变量时,软件放哪里你就改在哪里。。。环境变量跟随实际环境而变。记录一下自己记不住来翻

文章作者: emporer
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linux jdk tomcat
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