rpm -qa | grep java
rpm -e java-1.6.0-openjdk-1.6.0.41-1.13.13.1.el6_8.x86_64 tzdata-java-2016j-1.el6.noarch java-1.7.0-openjdk-1.7.0.131-2.6.9.0.el6_8.x86_64
上传 jdk-8u191-linux-x64.tar.gz 到 node01
目录 :/export/softwares
tar -xzvf jdk-8u191-linux-x64.tar.gz -C /export/servers
vim /etc/profile
export JAVA_HOME=/export/servers/jdk1.8.0_191
export JRE_HOME=/export/servers/jdk1.8.0_191/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
刷新配置 : source /etc/profile
java -version
看到版本号
scp -r /export/servers/jdk1.8.0_191/ root@node02:$PWD
scp -r /export/servers/jdk1.8.0_191/ root@node03:$PWD
vim /etc/profile
export JAVA_HOME=/export/servers/jdk1.8.0_191
export JRE_HOME=/export/servers/jdk1.8.0_191/jre
export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH
刷新配置 : source /etc/profile
在 node02,node03 两台机器上可以查看到 java 版本号。
java -version