My question might be a numb but this is where I am stuck now please bear with
me . Basically I want to execute bin/hadoop dfs -ls when a user in a web
page clicks a button and displays 0 if the command is executed successfully
and -1 if not executed. I have a script which runs when the user clicks the
button in the web page. The script contains a system call of
system(bin/hadoop dfs -ls) . But it is not been executed due to file
permission of hdfs when issued from www.
After googling I came to know that hdfs executes commands by identifying the
user only as a superuser. I tried to change the posix permissions of hdfs
but it took no effect. So can some one help me out?
Thanks
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