I have installed Hadoop-2.4.0 in my system(14.04), I want to remove it completely and reinstall it. If I have delete the configured folder hadoop, is it enough to remove hadoop in my Ubuntu 14.04 LTS.
You can uninstall hadoop using:
This will remove all packages and configurations related to hadoop from your system.
Actually I just delete the folder hadoop which given permission(shown below) to my HDFS user.
Previously I extracted hadoop-2.4.0 and given permission for my HDFS user(hadoopuser - HDFS user),
After that I removed user(hadoopuser) and group(hadoop)
Now hadoop-2.4.0 not present in my system.
In my system, configured hadoop folder is