在ubuntu上安装weka

0.前提

系统已有java环境

1.解压缩安装包

caiyong@caiyong:/home/caiyong/setup/weka$sudo unzip weka-3-6-12.zip -d /opt/
caiyong@caiyong:/opt/weka$ sudo mv weka-3-6-12/    weka
caiyong@caiyong:/opt$ sudo chown -R caiyong    ./weka/

2.配置环境变量

在/etc/profile中添加如下内容：

#weka environment

export WEKA_HOME=/opt/weka
export CLASSPATH=$CLASSPATH:$WEKA_HOME/weka.jar

验证：
caiyong@caiyong:/opt/weka$ source /etc/profile
caiyong@caiyong:/opt/weka$ echo $CLASSPATH
/opt/hadoo