Re:

[Harsh J <ha...@cloudera.com>]

For posterity, this was answered in a parallel thread at
http://search-hadoop.com/m/IJvDL4rgOJ

On Thu, Oct 18, 2012 at 6:04 AM, Zheng, Kai <ka...@intel.com> wrote:
> Hi,
>
>
>
> When Kerberos authentication is used instead of the default “simple” method,
> is a Linux user account needed to run a MapReduce job for a principal? Why?
>
> For example, for a Kerberos principal “john@whatever-company.com”, if he
> needs to run a job, is the following step 1) & 2)  a must?
>
> 1)      Create a Linux user “john” (the first component of the principal
> name);
>
> 2)      The user logins as “john” into Linux shell;
>
> 3)      kinit john@whatever-company.com;
>
> 4)      run MapReduce job
>
>
>
> Thanks.



-- 
Harsh J