jdk-8u162-linux-x64.tar.gz 安装

一、解压

[root@master app]# tar -zxvf ~/app/jdk-8u162-linux-x64.tar.gz -C /usr/local/src/
[root@master app]# cd /usr/local/src/
[root@master src]# ls
jdk1.8.0_162
[root@master src]# pwd
/usr/local/src
[root@master src]# mv jdk1.8.0_162/ jdk
[root@master src]# pwd
/usr/local/src
[root@master src]# ls
jdk
[root@master src]# 

二、修改环境变量 全局

[root@master bin]# vi /etc/profile
PATH=$PATH:$JAVA_HOME/bin
JAVA_HOME=/usr/local/src/jdk
export PATH JAVA_HOME
[root@master bin]# source /etc/profile
[root@master bin]# java -version
java version "1.8.0_162"
Java(TM) SE Runtime Environment (build 1.8.0_162-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.162-b12, mixed mode)
[root@master bin]#