生成文件夹software mkdir /usr/local/software

下载jdk wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"

解压文件夹

tar -zxvf jdk-8u141-linux-x64.tar.gz

修改配置 vim /etc/profile

export JAVA_HOME=/usr/local/software/jdk8 export JAVA_BIN=/usr/local/software/jdk8 export PATH=$PATH:$JAVA_HOME/bin export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JAVA_HOME JAVA_BIN PATH CLASSPATH

使配置生效 source /etc/profile