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Scala安装
1:解压scala
tar –zxvf scala-2.11.11.tgz
2:配置环境变量
vi /etc/profile
export SCALA_HOME=/usr/tmp/scala-2.11.11
export PATH=$PATH:$SCALA_HOME/bin
3:使环境变量生效
#source /etc/profile
4:检查安装成功:
scala –version
Scala code runner version 2.11.11 --Copyright 2002-2016, LAMP/EPFL
5:拷贝到子节点上:
scp -r scala-2.11.11 root@slave1:/usr/tmp
scp -r scala-2.11.11 root@slave2:/usr/tmp
分别配置子节点的环境变量并使其生效.