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HDFS >> mail # user >> access Permission issure


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Re: access Permission issure
Hi 武泽胜
when I use
usermod -a -G hadoop dyf
usermod: user 'dyf' does not exist
I think the problem is my client windows so the user not exist in linux
2013/8/5 闫昆 <[EMAIL PROTECTED]>

> thank for your help Harsh J and 武泽胜
> this way can submit a job to hadoop cluster?
> Now I can access HDFS
>
>
> 2013/8/4 Harsh J <[EMAIL PROTECTED]>
>
>> You will need to create a home directory for your user(s).
>>
>> sudo -u hadoop hadoop fs -mkdir -p /user/dyf
>> sudo -u hadoop hadoop fs -chown dyf:dyf /user/dyf
>>
>> On Sun, Aug 4, 2013 at 7:21 PM, 武泽胜 <[EMAIL PROTECTED]> wrote:
>> > Sorry, I've made a mistake, the user group hadoop also do not have write
>> > permission :(
>> >
>> > Updated ways to fix your problem:
>> >
>> > Add write permission for other group
>> > Add user dyf to user group hadoop, and add write permission for user
>> group
>> > hadoop.
>> >
>> > Or if you do not want to enable the authorization, just change the
>> value of
>> > hadoop.security.authorization to false.
>> >
>> > From: wu zesheng <[EMAIL PROTECTED]>
>> > Reply-To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Date: Sunday, August 4, 2013 9:35 PM
>> >
>> > To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Subject: Re: access Permission issure
>> >
>> > Fix a typo.
>> >
>> > From: wu zesheng <[EMAIL PROTECTED]>
>> > Reply-To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Date: Sunday, August 4, 2013 9:29 PM
>> > To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Subject: Re: access Permission issure
>> >
>> > The permission of  of / is 'hadoop:hadoop:drwxr-xr-x', your user name is
>> > dyf, you're not the owner, I guess you're also not belong to the user
>> group
>> > 'hadoop', so you do not have the write permission.
>> > Two ways to fix this:
>> >
>> > Add dyf to user group hadoop
>> > Change the permission of /, add write permission for other group
>> >
>> >
>> > From: 闫昆 <[EMAIL PROTECTED]>
>> > Reply-To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Date: Saturday, August 3, 2013 12:08 PM
>> > To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>> > Subject: access Permission issure
>> >
>> > I use hadoop 2.0 superuser is hadoop
>> > I  use eclipse connection hadoop cluster,but when I create dir throw
>> > exception
>> >
>> >  org.apache.hadoop.security.AccessControlException: Permission denied:
>> > user=dyf, access=WRITE, inode="/":hadoop:hadoop:drwxr-xr-x
>> >
>> > I set hadoop.security.authorization in core-site.xml ,follow
>> > <property>
>> > <name>hadoop.security.authorization</name>
>> > <value>true</value>
>> > </property>
>> > but hadoop-policy.xml properity all the same *
>> >
>> > Who can help me?
>> >
>> > Thanks for you help
>> > Yan
>>
>>
>>
>> --
>> Harsh J
>>
>
>