ls -lrt /etc/alternatives/java
1、查找路径 1 2 3 4 5 6 [root@master01 jre]# which java /bin/java [root@master01 jre]# ls -l /bin/java lrwxrwxrwx. 1 root root 22 Mar 22 01:01/bin/java->/etc/alternatives/java [root@master01 jre]# ls -l /etc/alternatives/java lrwxrwxrwx. 1 root root 73 Mar 22 01:...
安装java-1.8.0-openjdk-devel [root@localhost ~]# yum install -y java-1.8.0-openjdk-devel 查看版本 [root@localhost ~]# java -version 查看安装目录 [root@localhost ~]# ll /usr/lib/jvm/java-1.8.0/ 配置JAVA_HOME [root@localhost ~]# vi /etc/profile 在最后面加上 export JAVA_HOME="/...