JIAS-MacBook-Pro:~ jia$ open /etc

export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home
export HADOOP_HOME=Documents/hadoop-0.20.2
export MAHOUT_HOME=Documents/hadoop-0.20.2/mahout-distribution-0.9
export MAVEN_HOME=Documents/apache-maven-3.2.2export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$MAVEN_HOME/bin:$MAHOUT_HOME/binexport HADOOP_CONF_DIR=Documents/hadoop-0.20.2/conf
export MAHOUT_CONF_DIR=Documents/hadoop-0.20.2/mahout-distribution-0.9/confexport classpath=$classpath:$JAVA_HOME/lib:$MAHOUT_HOME/lib:$HADOOP_CONF_DIR:$MAHOUT_CONF_DIR

export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64
export HADOOP_HOME=/home/sendi/hadoop-2.6.0
export MAHOUT_HOME=/home/sendi/mahout-distribution-0.9
export MAVEN_HOME=/home/sendi/apache-maven-3.3.3export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$MAVEN_HOME/bin:$MAHOUT_HOME/binexport HADOOP_CONF_DIR=/home/sendi/hadoop-2.6.0/etc/hadoop
export MAHOUT_CONF_DIR=/home/sendi/mahout-distribution-0.9/confexport classpath=$classpath:$JAVA_HOME/lib:$MAHOUT_HOME/lib:$HADOOP_CONF_DIR:$MAHOUT_CONF_DIR

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JIAS-MacBook-Pro:hadoop-0.20.2 jia$ bin/start-all.sh 

JIAS-MacBook-Pro:mahout-distribution-0.9 jia$ bin/mahout
MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath.
hadoop binary is not in PATH,HADOOP_HOME/bin,HADOOP_PREFIX/bin, running locally
An example program must be given as the first argument.
Valid program names are:arff.vector: : Generate Vectors from an ARFF file or directorybaumwelch: : Baum-Welch algorithm for unsupervised HMM trainingcanopy: : Canopy clusteringcat: : Print a file or resource as the logistic regression models would see itcleansvd: : Cleanup and verification of SVD outputclusterdump: : Dump cluster output to textclusterpp: : Groups Clustering Output In Clusterscmdump: : Dump confusion matrix in HTML or text formatsconcatmatrices: : Concatenates 2 matrices of same cardinality into a single matrixcvb: : LDA via Collapsed Variation Bayes (0th deriv. approx)cvb0_local: : LDA via Collapsed Variation Bayes, in memory locally.evaluateFactorization: : compute RMSE and MAE of a rating matrix factorization against probesfkmeans: : Fuzzy K-means clusteringhmmpredict: : Generate random sequence of observations by given HMMitemsimilarity: : Compute the item-item-similarities for item-based collaborative filteringkmeans: : K-means clusteringlucene.vector: : Generate Vectors from a Lucene indexlucene2seq: : Generate Text SequenceFiles from a Lucene indexmatrixdump: : Dump matrix in CSV formatmatrixmult: : Take the product of two matricesparallelALS: : ALS-WR factorization of a rating matrixqualcluster: : Runs clustering experiments and summarizes results in a CSVrecommendfactorized: : Compute recommendations using the factorization of a rating matrixrecommenditembased: : Compute recommendations using item-based collaborative filteringregexconverter: : Convert text files on a per line basis based on regular expressionsresplit: : Splits a set of SequenceFiles into a number of equal splitsrowid: : Map SequenceFile<Text,VectorWritable> to {SequenceFile<IntWritable,VectorWritable>, SequenceFile<IntWritable,Text>}rowsimilarity: : Compute the pairwise similarities of the rows of a matrixrunAdaptiveLogistic: : Score new production data using a probably trained and validated AdaptivelogisticRegression modelrunlogistic: : Run a logistic regression model against CSV dataseq2encoded: : Encoded Sparse Vector generation from Text sequence filesseq2sparse: : Sparse Vector generation from Text sequence filesseqdirectory: : Generate sequence files (of Text) from a directoryseqdumper: : Generic Sequence File dumperseqmailarchives: : Creates SequenceFile from a directory containing gzipped mail archivesseqwiki: : Wikipedia xml dump to sequence filespectralkmeans: : Spectral k-means clusteringsplit: : Split Input data into test and train setssplitDataset: : split a rating dataset into training and probe partsssvd: : Stochastic SVDstreamingkmeans: : Streaming k-means clusteringsvd: : Lanczos Singular Value Decompositiontestnb: : Test the Vector-based Bayes classifiertrainAdaptiveLogistic: : Train an AdaptivelogisticRegression modeltrainlogistic: : Train a logistic regression using stochastic gradient descenttrainnb: : Train the Vector-based Bayes classifiertranspose: : Take the transpose of a matrixvalidateAdaptiveLogistic: : Validate an AdaptivelogisticRegression model against hold-out data setvecdist: : Compute the distances between a set of Vectors (or Cluster or Canopy, they must fit in memory) and a list of Vectorsvectordump: : Dump vectors from a sequence file to textviterbi: : Viterbi decoding of hidden states from given output states sequence

MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath.
hadoop binary is not in PATH,HADOOP_HOME/bin,HADOOP_PREFIX/bin, running locally

JIAS-MacBook-Pro:hadoop-0.20.2 jia$ bin/hadoop fs -mkdir testdata

JIAS-MacBook-Pro:hadoop-0.20.2 jia$ bin/hadoop fs -put workspace/data testdata/

JIAS-MacBook-Pro:hadoop-0.20.2 jia$ bin/hadoop jar mahout-distribution-0.9/mahout-examples-0.9-job.jar org.apache.mahout.clustering.syntheticcontrol.kmeans.Job

JIAS-MacBook-Pro:~ jia$ cd Documents/hadoop-0.20.2/
JIAS-MacBook-Pro:hadoop-0.20.2 jia$ bin/hadoop fs -ls output/
Found 15 items
-rwxrwxrwx   1 jia staff        194 2014-08-03 14:42 /Users/jia/Documents/hadoop-0.20.2/output/_policy
drwxr-xr-x   - jia staff        136 2014-08-03 14:42 /Users/jia/Documents/hadoop-0.20.2/output/clusteredPoints
drwxr-xr-x   - jia staff        544 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-0
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-1
drwxr-xr-x   - jia staff        204 2014-08-03 14:42 /Users/jia/Documents/hadoop-0.20.2/output/clusters-10-final
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-2
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-3
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-4
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-5
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-6
drwxr-xr-x   - jia staff        204 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/clusters-7
drwxr-xr-x   - jia staff        204 2014-08-03 14:42 /Users/jia/Documents/hadoop-0.20.2/output/clusters-8
drwxr-xr-x   - jia staff        204 2014-08-03 14:42 /Users/jia/Documents/hadoop-0.20.2/output/clusters-9
drwxr-xr-x   - jia staff        136 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/data
drwxr-xr-x   - jia staff        136 2014-08-03 14:41 /Users/jia/Documents/hadoop-0.20.2/output/random-seeds