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0. Check out source code from SVN, you must build using ant, as described below.

   $ svn checkout https://svn.apache.org/repos/asf/incubator/hama/trunk ${HAMA_HOME}
   ${HAMA_HOME}/ant clean package

1. Modify ${HAMA_HOME}/conf/hama-env.sh.
   
   Make sure that $HADOOP_CONF_DIR and $HBASE_CONF_DIR are set to the location of your hadoop+hbase cluster' configurations file.
   And uncomment line "# export HAMA_CLASSPATH=$HADOOP_CONF_DIR:$HBASE_CONF_DIR"

2. cp ${HAMA_HOME}/build/hama-0.2.0-*.jar ${HAMA_HOME}
   
   Make sure that hama-x.x.x-{,examples}.jar are placed in ${HAMA_HOME}
   
3. ${HAMA_HOME}/bin/hama examples

ex) ${HAMA_HOME}/bin/hama examples rand
    rand [-m maps] [-r reduces] <rows> <columns> <density> <matrix_name>
    ex) rand -m 10 -r 10 2000 2000 30.5% matrixA