1. 下载 java
离线下载
wget --no-cookies --no-check-certificate --header "cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"
转载自: https://blog.csdn.net/dandan920107/article/details/94398465
2. 解压
将下载的 jdk-8u141-linux-x64.tar.gz 拷贝致 opt 目录
mkdir /opt/java/ cd /opt/ tar -zxvf jdk-8u141-linux-x64.tar.gz -C java
3. 创建软连接
cd /bin sudo ln -s /opt/jdk1.8.0_141/bin/java java
3. 配置环境变量
sudo vi /etc/profile
在最后加入
export JAVA_HOME=/opt/java/jdk1.8.0_141
export PATH=${JAVA_HOME}/bin:${PATH}
保存退出, 最后使之生效
source /etc/profile
4. 验证
java -version
结果:
java version "1.8.0_141" Java(TM) SE Runtime Environment (build 1.8.0_141-b15) Java HotSpot(TM) 64-Bit Server VM (build 25.141-b15, mixed mode)
附录：下面看下wget下载java8离线安装包 for linux
wget --no-cookies --no-check-certificate --header “cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz”
总结
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