#JAVA
export JAVA_HOME=/usr/apps/jdk1.8.0_171(Java安装路径)
export PATH=$PATH:$JAVA_HOME/bin#ZOOKEEPER
export ZOOKEEPER_HOME=/usr/apps/zookeeper-3.4.10(zookeeper安装路径)
export PATH=$PATH:$ZOOKEEPER_HOME/bin#HADOOP
export HADOOP_HOME=/usr/apps/hadoop-2.7.3(Hadoop安装路径)
export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin(易错)#SPARK
export SPARK_HOME=/usr/apps/spark/spark-2.4.7-bin-hadoop2.7
export PATH=$PATH:$SPARK_HOME/bin
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