提取码:fv1h
export JAVA_HOME=/usr/local/java/jdk1.8.0_131
export CLASSPATH=$JAVA_HOME/lib/
export PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME CLASSPATH
export HADOOP_HOME=/usr/local/hadoop/hadoop-3.2.0
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
export PATH=.:${JAVA_HOME}/bin:${HADOOP_HOME}/bin:$PATH
完成后点击esc退出编辑模式,输入:wq!强制保存并退出