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From Automation Me <anautom...@gmail.com>
Subject Re: New to Hadoop-SSH communication
Date Tue, 30 Apr 2013 22:17:38 GMT
Thank you Tariq. I will try that...


On Tue, Apr 30, 2013 at 6:14 PM, Mohammad Tariq <dontariq@gmail.com> wrote:

> 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 <anautomate@gmail.com>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 <anautomate@gmail.com>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 <
>>> mitra.kaseebhotla@gmail.com> 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 <anautomate@gmail.com>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 <dontariq@gmail.com>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 <anautomate@gmail.com>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
>>>>  ________________________________________
>>>>
>>>
>>>
>>
>

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