- To find where HADOOP_CMD is located, you can use the which hadoop command in the Linux shell. In most Hadoop systems, HADOOP_CMD is located at /usr/bin/hadoop.
- As for the location of HADOOP_STREAMING, the streaming JAR file is often located in /usr/lib/hadoop-mapreduce/. However, if you cannot find the directory, /usr/lib/Hadoop-mapreduce, in your Linux system, you can search the streaming JAR by using the locate command. For example:
$ sudo updatedb
$ locate streaming | grep jar | more