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Re: New to Hadoop-SSH communication
comment out 127.0.1.1 ubuntu in both the machines.

if it still doesn't work change 127.0.1.1    master to something else, like
127.0.0.3 or something.

Warm Regards,
Tariq
https://mtariq.jux.com/
cloudfront.blogspot.com
On Wed, May 1, 2013 at 3:34 AM, Automation Me <[EMAIL PROTECTED]> wrote:

> Hi Tariq,
>
>
> Master:
>
> Users:
> hduser hduser
>
> hostname:
> ubuntu
>
> *etc/hosts*
>
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1     ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
> 127.0.1.1    master
> 127.0.0.2   slave
>
>
> Slave Machine:
>
> Etc/Hosts
> 127.0.0.1 localhost
> 127.0.1.1 ubuntu
>
> # The following lines are desirable for IPv6 capable hosts
> ::1     ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
>
>
> 127.0.1.1    master
> 127.0.0.2   slave
>
>
> users:
> hduser hduser
>
> Hostname:
>
> ubuntu
>
>
> On Tue, Apr 30, 2013 at 5:52 PM, Automation Me <[EMAIL PROTECTED]>wrote:
>
>> @Mitra Yes I cloned the same VM's. By default Ubuntu takes 127.0.0.1
>> -ubuntu hostname for all machines
>>
>> @Tariq i will send the hosts file and users of all the machines.
>>
>>
>> On Tue, Apr 30, 2013 at 5:42 PM, Mitra Kaseebhotla <
>> [EMAIL PROTECTED]> wrote:
>>
>>> 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
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>>  ________________________________________
>>>
>>>  To Understand Recursion,
>>>  You must first Understand Recursion
>>>  ________________________________________
>>>
>>
>>
>
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