linux安装jdk-centos7系统:

 

1 官网下载 

      http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

 

2 上传到linux里面  

使用xshell工具  首先安装上传下载工具

 

yum -y install lrzsz

 

 cd /usr/local/src/ 

拖动文件到该目录

 

3 解压 

tar -zxvf jdk-8u161-linux-x64.tar.gz

 

4 移动

mv /usr/local/src/jdk1.8.0_161/ /usr/local/jdk1.8

cp /etc/profile /etc/profilebak

 

5 vim /etc/profile 最后添加  或者 vim /etc/profile.d/java.sh

export JAVA_HOME=/usr/local/jdk1.8
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

　　

 

6  让java环境变量生效

source /etc/profile

 

 7 查看效果

 

8 如果报错 

[root@localhost jdk1.8]# java -version

-bash: /usr/local/jdk1.8/bin/java: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory

[root@localhost jdk1.8]# java -version

-bash: /usr/local/jdk1.8/bin/java: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory

[root@localhost jdk1.8]#

 

 解决 :

sudo yum install glibc.i686