Running hadoop, hive and mahout at the Stern Center for Research Computing
First, you must have your Stern userid enabled for hadoop, and a hadoop user created for your userid. To do that, please send an email to email@example.com, or call the help desk at 212-998-0180 and create a ticket for research computing.
Second, you need to login to rnd and issue the command
for the bash shell,
or source /etc/profile.d/hadoop.csh
for the tsch or csh shell.
At that point, the hadoop, hive and mahout binaries are in your path, and all of the environment variables have been set.
You should be able to run hadoop map-reduce jobs, hive and mahout.
To start, type hadoop fs -lsr hdfs:///
and you should get a list of all the files in the file system.
will enter the hive command line environment
mahout will give you access to the mahout command line.