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From Damien Hardy <dha...@viadeoteam.com>
Subject Re: Access remote HBase server with different user names
Date Wed, 14 Nov 2012 16:04:36 GMT

Not sure to understand well.

if zookeeper is running on server1 so

No need for ssh access : just run `hbase shell` on your desktop with the
minimum hbase-site.xml (must be available via $CLASSPATH which is default
as `hbase classpath`) as


As you does not seams to use HDFS HA, no need for core-site.xml neither




2012/11/14 Carsten Schnober <schnober@ids-mannheim.de>

> Dear list,
> I've set up a HBase server on a dedicated machine. Now, I would like to
> be able to access it from a client machine in a typical client mode,
> i.e. not running a Hadoop node on it, but only sending requests to the
> server.
> The server machine is called server1, up and running, and reachable from
> the outside, passwordless SSH access _generally_ working. The problem is
> that I'm using different user names on the client machine
> (carsten@ThinkPad-T410) and on the server (schnober@server1).
> Passwordless SSH does work, but how can I configure the username to use?
> I have tried to use the User parameter in the ssh_config file so that it
> maps to the username applicable on the server, but that leads to error
> messages such as the following:
> carsten@carsten-ThinkPad-T410:~/hbase-0.94.2$ bin/start-hbase.sh
> server1: bash: line 0: cd: /home/carsten/hbase-0.94.2/bin/..: File or
> directory not found
> server1: bash: /home/carsten/hbase-0.94.2/bin/hbase-daemon.sh: File or
> directory not found
> When I don't configure SSH to map the username, I'm being prompted for
> the password for carsten@server1 when I start hbase on the client.
> However, the user 'carsten' doesn't exist on the server machine.
> Of course, I could just change usernames on the client or on the server,
> but that does not seem to be a solution because I would like to give
> database access to different users in production mode. Is there any way
> to do so?
> Actually, I also wonder whether it is really necessary to run a master
> on the local machine or whether there is a way to directly access the
> master on the server machine through the HBase shell (or directly
> through Java).
> The configuration file hbase-site.xml is the following:
> <configuration>
>   <property>
>     <name>hbase.rootdir</name>
>     <value>hdfs://server1:9000/hbase</value>
>   </property>
>   <property>
>     <name>hbase.cluster.distributed</name>
>     <value>true</value>
>   </property>
>   <property>
>     <name>hbase.zookeeper.quorum</name>
>     <value>server1</value>
>   </property>
> </configuration>
> Thank you very much!
> Carsten
> --
> Institut für Deutsche Sprache | http://www.ids-mannheim.de
> Projekt KorAP                 | http://korap.ids-mannheim.de
> Tel. +49-(0)621-43740789      | schnober@ids-mannheim.de
> Korpusanalyseplattform der nächsten Generation
> Next Generation Corpus Analysis Platform

Damien HARDY
IT Infrastructure Architect

Viadeo - 30 rue de la Victoire - 75009 Paris - France
T : +33 1 80 48 39 73 – F : +33 1 42 93 22 56

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