java+hadoop+spark+hbase+scala

在/etc/profile 下面加上如下环境变量

export JAVA_HOME=/usr/java/jdk1.8.0_102

export JRE_HOME=$JAVA_HOME/jre

export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib:$JRE_HOME/lib

export PATH=$JAVA_HOME/bin:/usr/local/nginx/sbin:$PATH:$JRE_HOME/bin

export SCALA_HOME=/usr/local/scala

export PATH=$PATH:$SCALA_HOME/bin

export HADOOP_HOME=/usr/local/hadoop

export YARN_HOME=$HADOOP_HOME

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

export HADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop

export HDFS_CONF_DIR=${HADOOP_HOME}/etc/hadoop

export YARN_CONF_DIR=${HADOOP_HOME}/etc/hadoop

export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HBASE_HOME/bin:$HIVE_HOME/bin:$ZOOKEEPER/bin

export HBASE_CLASSPATH=/usr/local/hbase/conf

export HBASE_HOME=/usr/local/hbase

export PATH=$PATH:$HBASE_HOME/bin

#kafka zookeeper

export KAFKA_HOME=/usr/local/kafka

export ZK_HOME=/usr/local/zookeeper

export PATH=$KAFKA_HOME/bin:$ZK_HOME/bin:$PATH

#FLUME

export FLUME_HOME=/usr/local/flume

export PATH=.:$FLUME_HOME/bin:$PATH