1. Oracle现在不允许不勾选协议直接下载,按如下进行下载。
wget --no-cookie --no-check-certificate --header "Cookie:oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u171-b11/512cd62ec5174c3487ac17c61aaa89e8/jdk-8u171-linux-x64.tar.gz
2.解压
tar -zxvf jdk-8u171-linux-x64.tar.gz
3.配置环境变量
vim /etc/profile在文件后添加
JAVA_HOME=/opt/java/jdk1.8.0_171 JRE_HOME=$JAVA_HOME/jre PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin CLASSPATH=:$JAVA_HOME/lib:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib/dt.jar export JAVA_HOME JRE_HOME PATH CLASSPATH
4.启动配置
source /etc/profile
5.查看结果
# java -version java version "1.8.0_171" Java(TM) SE Runtime Environment (build 1.8.0_171-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
完