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From Dejan Menges <dejan.men...@gmail.com>
Subject Re: HDFS Installation
Date Sun, 13 Apr 2014 17:40:29 GMT
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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