1.上传jdk包到服务器,解压拷贝jdk
tar xf jdk-8u181-linux-x64.tar.gz -C /usr/local/
mv /usr/local/jdk1.8.0_181/ /usr/local/java
ln -s /usr/local/java/bin/java /usr/bin/java
2.设置环境变量
cat >> /etc/profile <<EOF
export JAVA_HOME=/usr/local/java
export JRE_HOME=/usr/local/java/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
EOF
source /etc/profile
3.查看安装是否成功
[root@localhost ~]# java -version
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
查看步骤3的结果证明安装成功

最后修改:2019-07-19 17:28:04
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