1、下载压缩包
命令：wget https://downloads.lightbend.com/scala/2.11.8/scala-2.11.8.tgz
2、解压缩包
命令：tar -xzvf scala-2.11.8.tgz
3、环境变量配置
export JAVA_HOME=/opt/java/jdk1.8.0_301
export HADOOP_HOME=/opt/Hadoop/hadoop-2.7.3
export HADOOP_CONF_DIR=${HADOOP_HOME}/etc/hadoop
export HADOOP_COMMON_LIB_NATIVE_DIR=${HADOOP_HOME}/lib/native
export SPARK_HOME=/opt/spark/spark-2.1.0-bin-hadoop2.6
export SCALA_HOME=/opt/scala/scala-2.11.8
export CLASSPATH=$:CLASSPATH:$JAVA_HOME/lib/
export PATH=.:${JAVA_HOME}/bin:${HIVE_HOME}/bin:${HADOOP_HOME}/bin:/opt/mongodb/bin:${SPARK_HOME}/bin:${SCALA_HOME}/bin:$PATH
export JAVA_LIBRARY_PATH=$HADOOP_HOME/lib/native
export HIVE_HOME=/opt/hive/apache-hive-2.3.9-bin
export HIVE_CONF_DIR=${HIVE_HOME}/conf
4、启动Spark
命令（没有空格！！没有空格！！！没有空格！！！闷头查了半天bash，，，，）：spark-shell
