JDK1.8安装
使用rpm包安装jdk1.8.151
1.下载rpm包
jdk-8u151-linux-x64.rpm
2.安装
[root@test ~]# rpm -ivh jdk-8u151-linux-x64.rpm Preparing... ################################# [100%] Updating / installing... 1:jdk1.8-2000:1.8.0_151-fcs ################################# [100%] Unpacking JAR files... tools.jar... plugin.jar... javaws.jar... deploy.jar... rt.jar... jsse.jar... charsets.jar... localedata.jar...
3.添加软连接
ln -s /usr/java/jdk1.8.0_151/ /usr/java/jdk
4.全局路径设置
echo 'export JAVA_HOME=/usr/java/jdk'>>/etc/profile echo 'export JRE_HOME=${JAVA_HOME}/jre'>>/etc/profile echo 'export PATH=$JAVA_HOME/bin:$PATH'>>/etc/profile echo 'export CLASSPATH=.:${JAVA_HOME}/lib/dt:$JAVA_HOME/lib/tools.jar:${JRE_HOME}/lib:$JAVA_HOME/jre/lib/ext'>>/etc/profile
5.设置的路径生效
source /etc/profile
6.验证
[root@test ~]# java -version java version "1.8.0_151" Java(TM) SE Runtime Environment (build 1.8.0_151-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)