配置文件jdk和hadoop和scala和spark

~/.bashrc       ~/.profile

#java验证java -version

export JAVA_HOME=/usr/lib/jvm/java

export JRE_HOME=${JAVA_HOME}/jre  

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib  
export PATH=${JAVA_HOME}/bin:$PATH

#hadoop验证hadoop version

export HADOOP_HOME=/usr/local/hadoop
export PATH=$PATH:$HADOOP_HOME/bin

#scala验证scala -version

export SCALA_HOME=/usr/lib/scala/scala-2.10.4
export PATH=$SCALA_HOME/bin:$PATH

#spark验证pyspark

export SPARK_HOME=/usr/local/spark/spark-1.6.0

export PATH=${SPARK_HOME}/bin:$PATH