二进制安装JDK

JDK版本：8u351

操作系统：Ubuntu 20.04

下载地址：

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https://www.oracle.com/java/technologies/downloads/#java8
https://www.oracle.com/java/technologies/downloads/#java11

下载或上传JD二进制压缩包

root@jenkins-web1:~#  wget https://download.oracle.com/otn/java/jdk/8u351-b10/10e8cce67c7843478f41411b7003171c/jdk-8u351-linux-x64.tar.gz

解压压缩包到/usr/local/src目录

root@jenkins-web1:~# tar -xvf jdk-8u351-linux-x64.tar.gz -C /usr/local/src
root@jenkins-web1:~# cd /usr/local/src
root@jenkins-web1:/usr/local/src# ll
total 12
drwxr-xr-x  3 root root 4096 Nov  3 08:54 ./
drwxr-xr-x 10 root root 4096 Feb 23  2022 ../
drwxr-xr-x  8 root root 4096 Nov  3 08:54 jdk1.8.0_351/

配置环境变量

#配置环境变量
root@jenkins-web1:/usr/local/src# vim /etc/profile.d/jdk.sh
export JAVA_HOME=/usr/local/src/jdk1.8.0_351
export PATH=$JAVA_HOME/bin:$PATH

#执行以下jdk.sh
root@jenkins-web1:/usr/local/src# . /etc/profile.d/jdk.sh

#查看java版本
root@jenkins-web1:/usr/local/src# which java
/usr/local/src/jdk1.8.0_351/bin/java
root@jenkins-web1:/usr/local/src# 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)