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HDFS >> mail # user >> Re: New to Hadoop-SSH communication


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Re: New to Hadoop-SSH communication
Looks like you have just cloned/copied the same VMs. Change the hostname of
each:
http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart

On Tue, Apr 30, 2013 at 2:30 PM, Automation Me <[EMAIL PROTECTED]> wrote:

> Thank you Tariq.
>
> I am using  the same username on both the machines and when i try to copy
> a file master to slave just to make sure SSH is working fine, The file is
> copying into master itself not an slave machine.
>
>   scp -r /usr/local/somefile hduser@slave:/usr/local/somefile
>
> Any suggestions...
>
>
> Thanks
> Annt
>
>
>
> On Tue, Apr 30, 2013 at 5:14 PM, Mohammad Tariq <[EMAIL PROTECTED]>wrote:
>
>> ssh is actually *user@some_machine *to *user@some_other_machine*. either
>> use same username on both the machines or add the IPs along with proper
>> user@hostname in /etc/hosts file.
>>
>> HTH
>>
>> Warm Regards,
>> Tariq
>> https://mtariq.jux.com/
>> cloudfront.blogspot.com
>>
>>
>> On Wed, May 1, 2013 at 2:39 AM, Automation Me <[EMAIL PROTECTED]>wrote:
>>
>>> Hello,
>>>
>>> I am new to Hadoop and trying to install multinode cluster on ubuntu
>>> VM's.I am not able to communicate between two clusters using SSH.
>>>
>>> My host file:
>>>
>>> 127.0.1.1 Master
>>> 127.0.1.2 Slave
>>>
>>> The following changes i made in two VM's
>>>
>>> 1.Updated the etc/hosts file in two vm's
>>>
>>> on Master VM
>>>  i did SSH keygen and trying to copy the key into Slave
>>>
>>> ssh-keygen -t rsa -P ""
>>>        cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
>>>        ssh-copy-id -i $HOME/.ssh/id_rsa.pub slave@ubuntu.
>>>
>>> When i login into master and slave  and check
>>>
>>> master@ubuntu>Hostname it says UBUNTU
>>> slave@ubuntu>Hostname it says UBUNTU
>>>
>>>
>>> Could you assist me on this?
>>>
>>> Thanks
>>> Annt
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>
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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