java8 centos7安装 tar.gz

去官网下载 jdk-8u144-linux-x64.tar

只需解压并配置环境变量即可使用。

tar -zxvf jdk-8u144-linux-x64.tar -C /opt/soft

# 修改配置文件
vi /etc/profile
# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加

export JAVA_HOME=/opt/soft/jdk1.8.0_144
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

# 刷新配置文件
source /etc/profile

试试java或者java -version

for a in {1..5} ; do   sshpass -p root scp -r /opt/soft/jdk1.8.0_144 node$a:/opt/soft/;done

for a in {1..5} ; do   sshpass -p root scp -r /etc/profile node$a:/etc/profile;done

for a in {1..5} ; do   sshpass -p root ssh node$a "source /etc/profile";done