腾讯云安装jdk+tomcat环境

1.安装jdk

a.下载jdk

yum install java-1.8.0-openjdk java-1.8.0openjdk-devel

输入java -version测试一下是否安装成功

b.设置环境变量

# set java env

JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.x86_64

JRE_HOME=$JAVA_HOME/jre CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib

PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

export JAVA_HOME JRE_HOME CLASS_PATH PATH

2.安装tomcat

a.找到tomcat镜像链接

https://mirrors.cnnic.cn/apache/tomcat/

b.linux执行wget命令下载tar包

wget https://mirrors.cnnic.cn/apache/tomcat/tomcat-8/v8.5.47/bin/apache-tomcat-8.5.47.tar.gz

c.解压tar包

tar -zxvf apache-tomcat-8.5.47.tar.gz

d.跳转到解压目录，启动tomcat

[root@VM_0_17_centos apache-tomcat-8.5.47]# sh bin/startup.sh

Using CATALINA_BASE:  /usr/local/apache-tomcat-8.5.47

Using CATALINA_HOME:  /usr/local/apache-tomcat-8.5.47

Using CATALINA_TMPDIR: /usr/local/apache-tomcat-8.5.47/temp

Using JRE_HOME:        /usr

Using CLASSPATH:      /usr/local/apache-tomcat-8.5.47/bin/bootstrap.jar:/usr/local/apache-tomcat-8.5.47/bin/tomcat-juli.jar

Tomcat started.

e.打开ip+8080端口 访问tomcat页面