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From Mohammad Tariq <donta...@gmail.com>
Subject Re: HDFS Installation
Date Sun, 13 Apr 2014 18:48:34 GMT
Hi Ekta,

Could you please show me the log files.

And, you might find this helpful, in case you are still in the setup phase
:
http://cloudfront.blogspot.in/2012/07/how-to-configure-hadoop.html#.U0rbYeaSyUd

Let me know if you face any issue.

Warm Regards,
Tariq
cloudfront.blogspot.com


On Sun, Apr 13, 2014 at 11:10 PM, Dejan Menges <dejan.menges@gmail.com>wrote:

> Your output says permission denied for ssh@localhost. Try to fix that
> first (there are bunch of tutorials on passwordless SSH connection).
> On Apr 13, 2014 7:37 PM, "Ekta Agrawal" <ektacloudstack@gmail.com> wrote:
>
>> Hi,
>>
>> I started with "ssh localhost" command.
>> Does anything else is needed to check SSH?
>>
>> Then I stopped all the services which were running by "stop-all.sh"
>> and start them again with "start-all.sh".
>>
>> I have copied the way it executed on the terminal for some commands.
>>
>> I don't know, why after start-all.sh it says starting namenode and does
>> not show any failure but
>> when I check through jps it does not list namenode.
>>
>> I tried opening namenode in browser. It is also not getting open.
>>
>>
>> ----------------------------------------------------------------------------------------------------------------------------------------
>>
>> These is the way it executed on terminal:
>>
>> hduser@ubuntu:~$ ssh localhost
>> hduser@localhost's password:
>> Welcome to Ubuntu 12.04.2 LTS
>>
>>  * Documentation:  https://help.ubuntu.com/
>>
>> 459 packages can be updated.
>> 209 updates are security updates.
>>
>> Last login: Sun Feb  2 00:28:46 2014 from localhost
>>
>>
>>
>>
>> hduser@ubuntu:~$ /usr/local/hadoop/bin/hadoop namenode -format
>> 14/04/07 01:44:20 INFO namenode.NameNode: STARTUP_MSG:
>> /************************************************************
>> STARTUP_MSG: Starting NameNode
>> STARTUP_MSG:   host = ubuntu/127.0.0.1
>> STARTUP_MSG:   args = [-format]
>> STARTUP_MSG:   version = 1.0.3
>> STARTUP_MSG:   build =
>> https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r
>> 1335192; compiled by 'hortonfo' on Tue May  8 20:31:25 UTC 2012
>> ************************************************************/
>> Re-format filesystem in /app/hadoop/tmp/dfs/name ? (Y or N) y
>> Format aborted in /app/hadoop/tmp/dfs/name
>> 14/04/07 01:44:27 INFO namenode.NameNode: SHUTDOWN_MSG:
>> /************************************************************
>> SHUTDOWN_MSG: Shutting down NameNode at ubuntu/127.0.0.1
>> ************************************************************/
>>
>>
>> hduser@ubuntu:~$ /usr/local/hadoop/bin/start-all.sh
>> starting namenode, logging to /usr/local/hadoop/libexec/../
>> logs/hadoop-hduser-namenode-ubuntu.out
>> ehduser@localhost's password:
>> hduser@localhost's password: localhost: Permission denied, please try
>> again.
>> localhost: starting datanode, logging to /usr/local/hadoop/libexec/../
>> logs/hadoop-hduser-datanode-ubuntu.out
>> hduser@
>>
>>
>>
>>
>>
>> On Sun, Apr 13, 2014 at 9:14 PM, Mahesh Khandewal <mahesh.k.exp@gmail.com
>> > wrote:
>>
>>> Ekta it may be ssh problem. first check for ssh
>>>
>>>
>>> On Sun, Apr 13, 2014 at 8:46 PM, Ekta Agrawal <ektacloudstack@gmail.com>wrote:
>>>
>>>> I already used the same guide to install hadoop.
>>>>
>>>> If HDFS does not require anything except Hadoop single node
>>>> installation then the installation part is complete.
>>>>
>>>> I tried running bin/hadoop dfs -mkdir /foodir
>>>>             bin/hadoop dfsadmin -safemode enter
>>>>
>>>> these commands are giving following exception:
>>>>
>>>> 14/04/07 00:23:09 INFO ipc.Client: Retrying connect to server:
>>>> localhost/127.0.0.1:54310. Already tried 9 time(s).
>>>> Bad connection to FS. command aborted. exception: Call to localhost/
>>>> 127.0.0.1:54310 failed on connection exception:
>>>> java.net.ConnectException: Connection refused
>>>>
>>>> Can somebody help me to understand that why it is happening?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Sun, Apr 13, 2014 at 10:33 AM, Mahesh Khandewal <
>>>> mahesh.k.exp@gmail.com> wrote:
>>>>
>>>>> I think in hadoop installation only hdfs comes.
>>>>> Like you need to insert script like
>>>>> bin/hadoop start-dfs.sh in $hadoop_home path
>>>>>
>>>>>
>>>>> On Sun, Apr 13, 2014 at 10:27 AM, Ekta Agrawal <
>>>>> ektacloudstack@gmail.com> wrote:
>>>>>
>>>>>> Can anybody suggest any good tutorial to install hdfs and work with
>>>>>> hdfs?
>>>>>>
>>>>>> I installed hadoop on Ubuntu as single node. I can see those service
>>>>>> running.
>>>>>>
>>>>>> But how to install and work with hdfs? Please give some guidance.
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>

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