I am new to Big Data, Hadoop & Spark. I just downloaded & installed Apache Spark ("spark-2.0.2-bin-hadoop2.7.tgz"). I tried to move a file from local file system to HDFS. But I got an error saying “hadoop command not found”.
For accessing Hadoop commands & HDFS, you first have to install Hadoop. I would recommend you to go through this website & install Hadoop -> https://www.edureka.co/blog/install-hadoop-single-node-hadoop-cluster
One more thing to keep in mind is install Hadoop 2.7 and above as you have install Spark 2.0.2 which is compiled for Hadoop 2.7.
If you are using Hadoop version-2.7.7, then ...READ MORE
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According to me the error is because ...READ MORE
I guess you are starting the services ...READ MORE