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Linux环境变量配置

1. 环境变量配置文件位置

　　vim /etc/profile

2. 在profile文件最下方中添加所需配置

#set mysql environment
 export MYSQL_HOME=/usr/local/mysql
 export PATH=$PATH:${MYSQL_HOME}/bin
 
 #set java environment
 export JAVA_HOME=/usr/local/java
 export JRE_HOME=${JAVA_HOME}/jre
 export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
 export PATH=${JAVA_HOME}/bin:$PATH
 
 #set zookeeper enviroment
 export ZOOKEEPER_HOME=/usr/local/zookeeper
 export PATH=$PATH:${ZOOKEEPER_HOME}/bin
 
 #set hadoop environment
 export HADOOP_HOME=/usr/local/hadoop-2.6.4
 export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
 
 #set hive environment
 export HIVE_HOME=/usr/local/hive
 export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HIVE_HOME/bin
 
 #set sqoop environment
 export SQOOP_HOME=/usr/local/sqoop_1.4.6_hadoop_2.0.4_alpha
 export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$HIVE_HOME/bin:$SQOOP_HOME/bin
 
 #set storm environment
 export STORM_HOME=/usr/local/storm
 export PATH=$PATH:$STORM_HOME/bin
 
 #set kafka environment
 export KAFKA_HOME=/usr/local/kafka
 export PATH=$PATH:$KAFKA_HOME/bin
 
 #set scala environment
 export SCALA_HOME=/usr/local/scala
 export PATH=$PATH:$SCALA_HOME/bin
 
 #set spark environment
 export SPARK_HOME=/usr/local/spark
 export PATH=$PATH:$SPARK_HOME/bin
 
 #set elasticsearch environment
 export ES_HOME=/home/centos/elasticsearch
 export PATH=$PATH:$ES_HOME/bin
知识兔

3. 使配置文件立即生效
　　source /etc/profile

原文来自:https://blog.csdn.net/weixin_43215250/article/details/82797380

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