Hadoop Installation steps
Environment required for Hadoop: The production environment of Hadoop is UNIX, but it can also be used in Windows using Cygwin. Java 1.6 or above is needed to run Map Reduce Programs. For Hadoop installation from tar ball on the UNIX environment you need Java Installation SSH installation Hadoop Installation and File Configuration 1) Java Installation Step 1. Type "java -version" in prompt to find if the java is installed or not. If not then download java from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html . The tar filejdk-7u71-linux-x64.tar.gz will be downloaded to your system. Step 2. Extract the file using the below command #tar zxf jdk-7u71-linux-x64.tar.gz Step 3. To make java available for all the users of UNIX move the file to /usr/local and set the path. In the prompt switch to root user and then type the command below to move the jdk to /usr/lib. # mv jdk1. 7 .0_71 /...