linux经过命令安装jdk，查看文件目录

时间 2019-12-22

标签 linux 经过命令安装 jdk 查看文件目录栏目 Linux 繁體版

原文原文链接

查看安装目录java

which java
/usr/bin/java
ls -lrt /usr/bin/java
lrwxrwxrwx. 1 root root 22 Dec 17 15:12 /usr/bin/java -> /etc/alternatives/java
ls -lrt /etc/alternatives/java
lrwxrwxrwx. 1 root root 46 Dec 17 15:12 /etc/alternatives/java -> /usr/lib/jvm/jre-1.8.0-openjdk.x86_64/bin/java
cd /usr/lib/jvm

配置环境变量jvm

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk.x86_64
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar 
export PATH=$PATH:$JAVA_HOME/bin

使环境变量生效code

使环境变量生效
source /etc/profile