Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
Hadoop >> mail # user >> Problem setting super user


Copy link to this message
-
Re: Problem setting super user
does it work under user hdfs?
On Mar 19, 2012 6:32 PM, "Olivier Sallou" <[EMAIL PROTECTED]> wrote:

> Hi,
> I have installed Hadoop 1.0 using .deb package.
> I tried to configure superuser groups but it somehow fail. I do not know
> what's wrong:
>
> I expect root to be able to run hadoop dfsadmin -report command.
>
> # id hdfs
> uid=201(hdfs) gid=201(hdfs) groupes=123(hadoop),201(hdfs)
> # id root
> uid=0(root) gid=0(root) groupes=123(hadoop),0(root)
>
> Both my hdfs user (superuser by default) and my root user are in group
> hadoop.
>
> In hdfs-site.xml I have:
>  <property>
>    <name>dfs.permissions.superusergroup</name>
>    <value>hadoop</value>
>    <description>The name of the group of super-users.</description>
>  </property>
>
> I tried running refreshServiceAcl and
> refreshSuperUserGroupsConfiguration as hdfs, but I still have the error:
> root# hadoop dfsadmin -report
> report: org.apache.hadoop.security.AccessControlException: Access denied
> for user root. Superuser privilege is required
>
> Has anyone an idea?
>
> Thanks!
>
> Olivier
>
> --
>
> gpg key id: 4096R/326D8438  (keyring.debian.org)
> Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
>
>
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB