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mounting cluster with 'mapr' user failed without root user privileges

Question asked by fpp on Feb 1, 2015
Latest reply on Feb 8, 2015 by fpp
Hi, I have just downloaded the Hadoop Sandbox VMware and attempting the NFS mounting tutorial.

The showmount command output was as follows:
Export list for localhost:
/mapr                              *
/mapr/   *
since the /mapr directory already existed, I skipped the step of creating a /mapr directory(but this directory has root as the owner)

Then I got stucked at step 5 to mount the cluster. The command I used was :

$sudo mount –t nfs –o nolock  /mapr   ( is the IP of the Sandbox VM)

after typing in password for 'mapr', I received an error 'mapr is not in the sudoers file. This incident will be reported'.
 1. What should I do to make the statement work?
 2. Also, Should the IP address be the Hadoop Sandox server IP or should it be the Window Client on which I  want the NFS mounted on?

Appreciate your help and attention.